Internal dsi functions take a pointer to the DSI platform_device and
then cast it to a dsi_data pointer. That's pointless as the caller
already has the dsi_data pointer. Pass it directly instead of the
platform_device pointer.

Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reic...@collabora.co.uk>
---
 drivers/gpu/drm/omapdrm/dss/dsi.c | 1228 +++++++++++++++++--------------------
 1 file changed, 564 insertions(+), 664 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c 
b/drivers/gpu/drm/omapdrm/dss/dsi.c
index 05030dc25c72..7b5656e6abbb 100644
--- a/drivers/gpu/drm/omapdrm/dss/dsi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
@@ -119,11 +119,11 @@ struct dsi_reg { u16 module; u16 idx; };
 #define DSI_PLL_CONFIGURATION1         DSI_REG(DSI_PLL, 0x000C)
 #define DSI_PLL_CONFIGURATION2         DSI_REG(DSI_PLL, 0x0010)
 
-#define REG_GET(dsidev, idx, start, end) \
-       FLD_GET(dsi_read_reg(dsidev, idx), start, end)
+#define REG_GET(dsi, idx, start, end) \
+       FLD_GET(dsi_read_reg(dsi, idx), start, end)
 
-#define REG_FLD_MOD(dsidev, idx, val, start, end) \
-       dsi_write_reg(dsidev, idx, FLD_MOD(dsi_read_reg(dsidev, idx), val, 
start, end))
+#define REG_FLD_MOD(dsi, idx, val, start, end) \
+       dsi_write_reg(dsi, idx, FLD_MOD(dsi_read_reg(dsi, idx), val, start, 
end))
 
 /* Global interrupts */
 #define DSI_IRQ_VC0            (1 << 0)
@@ -213,13 +213,14 @@ struct dsi_reg { u16 module; u16 idx; };
         DSI_CIO_IRQ_ERRCONTENTIONLP0_5 | DSI_CIO_IRQ_ERRCONTENTIONLP1_5)
 
 typedef void (*omap_dsi_isr_t) (void *arg, u32 mask);
+struct dsi_data;
 
-static int dsi_display_init_dispc(struct platform_device *dsidev,
+static int dsi_display_init_dispc(struct dsi_data *dsi,
        enum omap_channel channel);
-static void dsi_display_uninit_dispc(struct platform_device *dsidev,
+static void dsi_display_uninit_dispc(struct dsi_data *dsi,
        enum omap_channel channel);
 
-static int dsi_vc_send_null(struct omap_dss_device *dssdev, int channel);
+static int dsi_vc_send_null(struct dsi_data *dsi, int channel);
 
 /* DSI PLL HSDIV indices */
 #define HSDIV_DISPC    0
@@ -282,7 +283,7 @@ struct dsi_isr_tables {
 };
 
 struct dsi_clk_calc_ctx {
-       struct platform_device *dsidev;
+       struct dsi_data *dsi;
        struct dss_pll *pll;
 
        /* inputs */
@@ -429,7 +430,7 @@ struct dsi_data {
 };
 
 struct dsi_packet_sent_handler_data {
-       struct platform_device *dsidev;
+       struct dsi_data *dsi;
        struct completion *completion;
 };
 
@@ -448,7 +449,7 @@ static inline struct platform_device 
*dsi_get_dsidev_from_dssdev(struct omap_dss
        return to_platform_device(dssdev->dev);
 }
 
-static struct platform_device *dsi_get_dsidev_from_id(int module)
+static struct dsi_data *dsi_get_dsi_from_id(int module)
 {
        struct omap_dss_device *out;
        enum omap_dss_output_id id;
@@ -466,13 +467,12 @@ static struct platform_device *dsi_get_dsidev_from_id(int 
module)
 
        out = omap_dss_get_output(id);
 
-       return out ? to_platform_device(out->dev) : NULL;
+       return out ? dsi_get_dsidrv_data(to_platform_device(out->dev)) : NULL;
 }
 
-static inline void dsi_write_reg(struct platform_device *dsidev,
-               const struct dsi_reg idx, u32 val)
+static inline void dsi_write_reg(struct dsi_data *dsi,
+                                const struct dsi_reg idx, u32 val)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        void __iomem *base;
 
        switch(idx.module) {
@@ -485,10 +485,8 @@ static inline void dsi_write_reg(struct platform_device 
*dsidev,
        __raw_writel(val, base + idx.idx);
 }
 
-static inline u32 dsi_read_reg(struct platform_device *dsidev,
-               const struct dsi_reg idx)
+static inline u32 dsi_read_reg(struct dsi_data *dsi, const struct dsi_reg idx)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        void __iomem *base;
 
        switch(idx.module) {
@@ -517,10 +515,8 @@ static void dsi_bus_unlock(struct omap_dss_device *dssdev)
        up(&dsi->bus_lock);
 }
 
-static bool dsi_bus_is_locked(struct platform_device *dsidev)
+static bool dsi_bus_is_locked(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
        return dsi->bus_lock.count == 0;
 }
 
@@ -529,8 +525,9 @@ static void dsi_completion_handler(void *data, u32 mask)
        complete((struct completion *)data);
 }
 
-static inline bool wait_for_bit_change(struct platform_device *dsidev,
-               const struct dsi_reg idx, int bitnum, int value)
+static inline bool wait_for_bit_change(struct dsi_data *dsi,
+                                      const struct dsi_reg idx,
+                                      int bitnum, int value)
 {
        unsigned long timeout;
        ktime_t wait;
@@ -539,14 +536,14 @@ static inline bool wait_for_bit_change(struct 
platform_device *dsidev,
        /* first busyloop to see if the bit changes right away */
        t = 100;
        while (t-- > 0) {
-               if (REG_GET(dsidev, idx, bitnum, bitnum) == value)
+               if (REG_GET(dsi, idx, bitnum, bitnum) == value)
                        return true;
        }
 
        /* then loop for 500ms, sleeping for 1ms in between */
        timeout = jiffies + msecs_to_jiffies(500);
        while (time_before(jiffies, timeout)) {
-               if (REG_GET(dsidev, idx, bitnum, bitnum) == value)
+               if (REG_GET(dsi, idx, bitnum, bitnum) == value)
                        return true;
 
                wait = ns_to_ktime(1000 * 1000);
@@ -574,21 +571,18 @@ static u8 dsi_get_pixel_size(enum 
omap_dss_dsi_pixel_format fmt)
 }
 
 #ifdef DSI_PERF_MEASURE
-static void dsi_perf_mark_setup(struct platform_device *dsidev)
+static void dsi_perf_mark_setup(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        dsi->perf_setup_time = ktime_get();
 }
 
-static void dsi_perf_mark_start(struct platform_device *dsidev)
+static void dsi_perf_mark_start(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        dsi->perf_start_time = ktime_get();
 }
 
-static void dsi_perf_show(struct platform_device *dsidev, const char *name)
+static void dsi_perf_show(struct dsi_data *dsi, const char *name)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        ktime_t t, setup_time, trans_time;
        u32 total_bytes;
        u32 setup_us, trans_us, total_us;
@@ -622,16 +616,15 @@ static void dsi_perf_show(struct platform_device *dsidev, 
const char *name)
                total_bytes * 1000 / total_us);
 }
 #else
-static inline void dsi_perf_mark_setup(struct platform_device *dsidev)
+static inline void dsi_perf_mark_setup(struct dsi_data *dsi)
 {
 }
 
-static inline void dsi_perf_mark_start(struct platform_device *dsidev)
+static inline void dsi_perf_mark_start(struct dsi_data *dsi)
 {
 }
 
-static inline void dsi_perf_show(struct platform_device *dsidev,
-               const char *name)
+static inline void dsi_perf_show(struct dsi_data *dsi, const char *name)
 {
 }
 #endif
@@ -728,10 +721,9 @@ static void print_irq_status_cio(u32 status)
 }
 
 #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
-static void dsi_collect_irq_stats(struct platform_device *dsidev, u32 
irqstatus,
-               u32 *vcstatus, u32 ciostatus)
+static void dsi_collect_irq_stats(struct dsi_data *dsi, u32 irqstatus,
+                                 u32 *vcstatus, u32 ciostatus)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int i;
 
        spin_lock(&dsi->irq_stats_lock);
@@ -747,15 +739,14 @@ static void dsi_collect_irq_stats(struct platform_device 
*dsidev, u32 irqstatus,
        spin_unlock(&dsi->irq_stats_lock);
 }
 #else
-#define dsi_collect_irq_stats(dsidev, irqstatus, vcstatus, ciostatus)
+#define dsi_collect_irq_stats(dsi, irqstatus, vcstatus, ciostatus)
 #endif
 
 static int debug_irq;
 
-static void dsi_handle_irq_errors(struct platform_device *dsidev, u32 
irqstatus,
-               u32 *vcstatus, u32 ciostatus)
+static void dsi_handle_irq_errors(struct dsi_data *dsi, u32 irqstatus,
+                                 u32 *vcstatus, u32 ciostatus)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int i;
 
        if (irqstatus & DSI_IRQ_ERROR_MASK) {
@@ -824,20 +815,16 @@ static void dsi_handle_isrs(struct dsi_isr_tables 
*isr_tables,
 
 static irqreturn_t omap_dsi_irq_handler(int irq, void *arg)
 {
-       struct platform_device *dsidev;
-       struct dsi_data *dsi;
+       struct dsi_data *dsi = arg;
        u32 irqstatus, vcstatus[4], ciostatus;
        int i;
 
-       dsidev = (struct platform_device *) arg;
-       dsi = dsi_get_dsidrv_data(dsidev);
-
        if (!dsi->is_enabled)
                return IRQ_NONE;
 
        spin_lock(&dsi->irq_lock);
 
-       irqstatus = dsi_read_reg(dsidev, DSI_IRQSTATUS);
+       irqstatus = dsi_read_reg(dsi, DSI_IRQSTATUS);
 
        /* IRQ is not for us */
        if (!irqstatus) {
@@ -845,9 +832,9 @@ static irqreturn_t omap_dsi_irq_handler(int irq, void *arg)
                return IRQ_NONE;
        }
 
-       dsi_write_reg(dsidev, DSI_IRQSTATUS, irqstatus & ~DSI_IRQ_CHANNEL_MASK);
+       dsi_write_reg(dsi, DSI_IRQSTATUS, irqstatus & ~DSI_IRQ_CHANNEL_MASK);
        /* flush posted write */
-       dsi_read_reg(dsidev, DSI_IRQSTATUS);
+       dsi_read_reg(dsi, DSI_IRQSTATUS);
 
        for (i = 0; i < 4; ++i) {
                if ((irqstatus & (1 << i)) == 0) {
@@ -855,19 +842,19 @@ static irqreturn_t omap_dsi_irq_handler(int irq, void 
*arg)
                        continue;
                }
 
-               vcstatus[i] = dsi_read_reg(dsidev, DSI_VC_IRQSTATUS(i));
+               vcstatus[i] = dsi_read_reg(dsi, DSI_VC_IRQSTATUS(i));
 
-               dsi_write_reg(dsidev, DSI_VC_IRQSTATUS(i), vcstatus[i]);
+               dsi_write_reg(dsi, DSI_VC_IRQSTATUS(i), vcstatus[i]);
                /* flush posted write */
-               dsi_read_reg(dsidev, DSI_VC_IRQSTATUS(i));
+               dsi_read_reg(dsi, DSI_VC_IRQSTATUS(i));
        }
 
        if (irqstatus & DSI_IRQ_COMPLEXIO_ERR) {
-               ciostatus = dsi_read_reg(dsidev, DSI_COMPLEXIO_IRQ_STATUS);
+               ciostatus = dsi_read_reg(dsi, DSI_COMPLEXIO_IRQ_STATUS);
 
-               dsi_write_reg(dsidev, DSI_COMPLEXIO_IRQ_STATUS, ciostatus);
+               dsi_write_reg(dsi, DSI_COMPLEXIO_IRQ_STATUS, ciostatus);
                /* flush posted write */
-               dsi_read_reg(dsidev, DSI_COMPLEXIO_IRQ_STATUS);
+               dsi_read_reg(dsi, DSI_COMPLEXIO_IRQ_STATUS);
        } else {
                ciostatus = 0;
        }
@@ -886,19 +873,20 @@ static irqreturn_t omap_dsi_irq_handler(int irq, void 
*arg)
 
        dsi_handle_isrs(&dsi->isr_tables_copy, irqstatus, vcstatus, ciostatus);
 
-       dsi_handle_irq_errors(dsidev, irqstatus, vcstatus, ciostatus);
+       dsi_handle_irq_errors(dsi, irqstatus, vcstatus, ciostatus);
 
-       dsi_collect_irq_stats(dsidev, irqstatus, vcstatus, ciostatus);
+       dsi_collect_irq_stats(dsi, irqstatus, vcstatus, ciostatus);
 
        return IRQ_HANDLED;
 }
 
 /* dsi->irq_lock has to be locked by the caller */
-static void _omap_dsi_configure_irqs(struct platform_device *dsidev,
-               struct dsi_isr_data *isr_array,
-               unsigned int isr_array_size, u32 default_mask,
-               const struct dsi_reg enable_reg,
-               const struct dsi_reg status_reg)
+static void _omap_dsi_configure_irqs(struct dsi_data *dsi,
+                                    struct dsi_isr_data *isr_array,
+                                    unsigned int isr_array_size,
+                                    u32 default_mask,
+                                    const struct dsi_reg enable_reg,
+                                    const struct dsi_reg status_reg)
 {
        struct dsi_isr_data *isr_data;
        u32 mask;
@@ -916,54 +904,48 @@ static void _omap_dsi_configure_irqs(struct 
platform_device *dsidev,
                mask |= isr_data->mask;
        }
 
-       old_mask = dsi_read_reg(dsidev, enable_reg);
+       old_mask = dsi_read_reg(dsi, enable_reg);
        /* clear the irqstatus for newly enabled irqs */
-       dsi_write_reg(dsidev, status_reg, (mask ^ old_mask) & mask);
-       dsi_write_reg(dsidev, enable_reg, mask);
+       dsi_write_reg(dsi, status_reg, (mask ^ old_mask) & mask);
+       dsi_write_reg(dsi, enable_reg, mask);
 
        /* flush posted writes */
-       dsi_read_reg(dsidev, enable_reg);
-       dsi_read_reg(dsidev, status_reg);
+       dsi_read_reg(dsi, enable_reg);
+       dsi_read_reg(dsi, status_reg);
 }
 
 /* dsi->irq_lock has to be locked by the caller */
-static void _omap_dsi_set_irqs(struct platform_device *dsidev)
+static void _omap_dsi_set_irqs(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        u32 mask = DSI_IRQ_ERROR_MASK;
 #ifdef DSI_CATCH_MISSING_TE
        mask |= DSI_IRQ_TE_TRIGGER;
 #endif
-       _omap_dsi_configure_irqs(dsidev, dsi->isr_tables.isr_table,
+       _omap_dsi_configure_irqs(dsi, dsi->isr_tables.isr_table,
                        ARRAY_SIZE(dsi->isr_tables.isr_table), mask,
                        DSI_IRQENABLE, DSI_IRQSTATUS);
 }
 
 /* dsi->irq_lock has to be locked by the caller */
-static void _omap_dsi_set_irqs_vc(struct platform_device *dsidev, int vc)
+static void _omap_dsi_set_irqs_vc(struct dsi_data *dsi, int vc)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
-       _omap_dsi_configure_irqs(dsidev, dsi->isr_tables.isr_table_vc[vc],
+       _omap_dsi_configure_irqs(dsi, dsi->isr_tables.isr_table_vc[vc],
                        ARRAY_SIZE(dsi->isr_tables.isr_table_vc[vc]),
                        DSI_VC_IRQ_ERROR_MASK,
                        DSI_VC_IRQENABLE(vc), DSI_VC_IRQSTATUS(vc));
 }
 
 /* dsi->irq_lock has to be locked by the caller */
-static void _omap_dsi_set_irqs_cio(struct platform_device *dsidev)
+static void _omap_dsi_set_irqs_cio(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
-       _omap_dsi_configure_irqs(dsidev, dsi->isr_tables.isr_table_cio,
+       _omap_dsi_configure_irqs(dsi, dsi->isr_tables.isr_table_cio,
                        ARRAY_SIZE(dsi->isr_tables.isr_table_cio),
                        DSI_CIO_IRQ_ERROR_MASK,
                        DSI_COMPLEXIO_IRQ_ENABLE, DSI_COMPLEXIO_IRQ_STATUS);
 }
 
-static void _dsi_initialize_irq(struct platform_device *dsidev)
+static void _dsi_initialize_irq(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        unsigned long flags;
        int vc;
 
@@ -971,10 +953,10 @@ static void _dsi_initialize_irq(struct platform_device 
*dsidev)
 
        memset(&dsi->isr_tables, 0, sizeof(dsi->isr_tables));
 
-       _omap_dsi_set_irqs(dsidev);
+       _omap_dsi_set_irqs(dsi);
        for (vc = 0; vc < 4; ++vc)
-               _omap_dsi_set_irqs_vc(dsidev, vc);
-       _omap_dsi_set_irqs_cio(dsidev);
+               _omap_dsi_set_irqs_vc(dsi, vc);
+       _omap_dsi_set_irqs_cio(dsi);
 
        spin_unlock_irqrestore(&dsi->irq_lock, flags);
 }
@@ -1035,10 +1017,9 @@ static int _dsi_unregister_isr(omap_dsi_isr_t isr, void 
*arg, u32 mask,
        return -EINVAL;
 }
 
-static int dsi_register_isr(struct platform_device *dsidev, omap_dsi_isr_t isr,
-               void *arg, u32 mask)
+static int dsi_register_isr(struct dsi_data *dsi, omap_dsi_isr_t isr,
+                           void *arg, u32 mask)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        unsigned long flags;
        int r;
 
@@ -1048,17 +1029,16 @@ static int dsi_register_isr(struct platform_device 
*dsidev, omap_dsi_isr_t isr,
                        ARRAY_SIZE(dsi->isr_tables.isr_table));
 
        if (r == 0)
-               _omap_dsi_set_irqs(dsidev);
+               _omap_dsi_set_irqs(dsi);
 
        spin_unlock_irqrestore(&dsi->irq_lock, flags);
 
        return r;
 }
 
-static int dsi_unregister_isr(struct platform_device *dsidev,
-               omap_dsi_isr_t isr, void *arg, u32 mask)
+static int dsi_unregister_isr(struct dsi_data *dsi, omap_dsi_isr_t isr,
+                             void *arg, u32 mask)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        unsigned long flags;
        int r;
 
@@ -1068,17 +1048,16 @@ static int dsi_unregister_isr(struct platform_device 
*dsidev,
                        ARRAY_SIZE(dsi->isr_tables.isr_table));
 
        if (r == 0)
-               _omap_dsi_set_irqs(dsidev);
+               _omap_dsi_set_irqs(dsi);
 
        spin_unlock_irqrestore(&dsi->irq_lock, flags);
 
        return r;
 }
 
-static int dsi_register_isr_vc(struct platform_device *dsidev, int channel,
-               omap_dsi_isr_t isr, void *arg, u32 mask)
+static int dsi_register_isr_vc(struct dsi_data *dsi, int channel,
+                              omap_dsi_isr_t isr, void *arg, u32 mask)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        unsigned long flags;
        int r;
 
@@ -1089,17 +1068,16 @@ static int dsi_register_isr_vc(struct platform_device 
*dsidev, int channel,
                        ARRAY_SIZE(dsi->isr_tables.isr_table_vc[channel]));
 
        if (r == 0)
-               _omap_dsi_set_irqs_vc(dsidev, channel);
+               _omap_dsi_set_irqs_vc(dsi, channel);
 
        spin_unlock_irqrestore(&dsi->irq_lock, flags);
 
        return r;
 }
 
-static int dsi_unregister_isr_vc(struct platform_device *dsidev, int channel,
-               omap_dsi_isr_t isr, void *arg, u32 mask)
+static int dsi_unregister_isr_vc(struct dsi_data *dsi, int channel,
+                                omap_dsi_isr_t isr, void *arg, u32 mask)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        unsigned long flags;
        int r;
 
@@ -1110,17 +1088,16 @@ static int dsi_unregister_isr_vc(struct platform_device 
*dsidev, int channel,
                        ARRAY_SIZE(dsi->isr_tables.isr_table_vc[channel]));
 
        if (r == 0)
-               _omap_dsi_set_irqs_vc(dsidev, channel);
+               _omap_dsi_set_irqs_vc(dsi, channel);
 
        spin_unlock_irqrestore(&dsi->irq_lock, flags);
 
        return r;
 }
 
-static int dsi_register_isr_cio(struct platform_device *dsidev,
-               omap_dsi_isr_t isr, void *arg, u32 mask)
+static int dsi_register_isr_cio(struct dsi_data *dsi, omap_dsi_isr_t isr,
+                               void *arg, u32 mask)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        unsigned long flags;
        int r;
 
@@ -1130,17 +1107,16 @@ static int dsi_register_isr_cio(struct platform_device 
*dsidev,
                        ARRAY_SIZE(dsi->isr_tables.isr_table_cio));
 
        if (r == 0)
-               _omap_dsi_set_irqs_cio(dsidev);
+               _omap_dsi_set_irqs_cio(dsi);
 
        spin_unlock_irqrestore(&dsi->irq_lock, flags);
 
        return r;
 }
 
-static int dsi_unregister_isr_cio(struct platform_device *dsidev,
-               omap_dsi_isr_t isr, void *arg, u32 mask)
+static int dsi_unregister_isr_cio(struct dsi_data *dsi, omap_dsi_isr_t isr,
+                                 void *arg, u32 mask)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        unsigned long flags;
        int r;
 
@@ -1150,18 +1126,18 @@ static int dsi_unregister_isr_cio(struct 
platform_device *dsidev,
                        ARRAY_SIZE(dsi->isr_tables.isr_table_cio));
 
        if (r == 0)
-               _omap_dsi_set_irqs_cio(dsidev);
+               _omap_dsi_set_irqs_cio(dsi);
 
        spin_unlock_irqrestore(&dsi->irq_lock, flags);
 
        return r;
 }
 
-static u32 dsi_get_errors(struct platform_device *dsidev)
+static u32 dsi_get_errors(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        unsigned long flags;
        u32 e;
+
        spin_lock_irqsave(&dsi->errors_lock, flags);
        e = dsi->errors;
        dsi->errors = 0;
@@ -1169,10 +1145,9 @@ static u32 dsi_get_errors(struct platform_device *dsidev)
        return e;
 }
 
-static int dsi_runtime_get(struct platform_device *dsidev)
+static int dsi_runtime_get(struct dsi_data *dsi)
 {
        int r;
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 
        DSSDBG("dsi_runtime_get\n");
 
@@ -1181,9 +1156,8 @@ static int dsi_runtime_get(struct platform_device *dsidev)
        return r < 0 ? r : 0;
 }
 
-static void dsi_runtime_put(struct platform_device *dsidev)
+static void dsi_runtime_put(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int r;
 
        DSSDBG("dsi_runtime_put\n");
@@ -1192,9 +1166,8 @@ static void dsi_runtime_put(struct platform_device 
*dsidev)
        WARN_ON(r < 0 && r != -ENOSYS);
 }
 
-static int dsi_regulator_init(struct platform_device *dsidev)
+static int dsi_regulator_init(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        struct regulator *vdds_dsi;
 
        if (dsi->vdds_dsi_reg != NULL)
@@ -1213,16 +1186,15 @@ static int dsi_regulator_init(struct platform_device 
*dsidev)
        return 0;
 }
 
-static void _dsi_print_reset_status(struct platform_device *dsidev)
+static void _dsi_print_reset_status(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        u32 l;
        int b0, b1, b2;
 
        /* A dummy read using the SCP interface to any DSIPHY register is
         * required after DSIPHY reset to complete the reset of the DSI complex
         * I/O. */
-       l = dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);
+       l = dsi_read_reg(dsi, DSI_DSIPHY_CFG5);
 
        if (dsi->data->quirks & DSI_QUIRK_REVERSE_TXCLKESC) {
                b0 = 28;
@@ -1235,7 +1207,7 @@ static void _dsi_print_reset_status(struct 
platform_device *dsidev)
        }
 
 #define DSI_FLD_GET(fld, start, end)\
-       FLD_GET(dsi_read_reg(dsidev, DSI_##fld), start, end)
+       FLD_GET(dsi_read_reg(dsi, DSI_##fld), start, end)
 
        pr_debug("DSI resets: PLL (%d) CIO (%d) PHY (%x%x%x, %d, %d, %d)\n",
                DSI_FLD_GET(PLL_STATUS, 0, 0),
@@ -1250,14 +1222,14 @@ static void _dsi_print_reset_status(struct 
platform_device *dsidev)
 #undef DSI_FLD_GET
 }
 
-static inline int dsi_if_enable(struct platform_device *dsidev, bool enable)
+static inline int dsi_if_enable(struct dsi_data *dsi, bool enable)
 {
        DSSDBG("dsi_if_enable(%d)\n", enable);
 
        enable = enable ? 1 : 0;
-       REG_FLD_MOD(dsidev, DSI_CTRL, enable, 0, 0); /* IF_EN */
+       REG_FLD_MOD(dsi, DSI_CTRL, enable, 0, 0); /* IF_EN */
 
-       if (!wait_for_bit_change(dsidev, DSI_CTRL, 0, enable)) {
+       if (!wait_for_bit_change(dsi, DSI_CTRL, 0, enable)) {
                DSSERR("Failed to set dsi_if_enable to %d\n", enable);
                return -EIO;
        }
@@ -1265,31 +1237,24 @@ static inline int dsi_if_enable(struct platform_device 
*dsidev, bool enable)
        return 0;
 }
 
-static unsigned long dsi_get_pll_hsdiv_dispc_rate(struct platform_device 
*dsidev)
+static unsigned long dsi_get_pll_hsdiv_dispc_rate(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
        return dsi->pll.cinfo.clkout[HSDIV_DISPC];
 }
 
-static unsigned long dsi_get_pll_hsdiv_dsi_rate(struct platform_device *dsidev)
+static unsigned long dsi_get_pll_hsdiv_dsi_rate(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
        return dsi->pll.cinfo.clkout[HSDIV_DSI];
 }
 
-static unsigned long dsi_get_txbyteclkhs(struct platform_device *dsidev)
+static unsigned long dsi_get_txbyteclkhs(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
        return dsi->pll.cinfo.clkdco / 16;
 }
 
-static unsigned long dsi_fclk_rate(struct platform_device *dsidev)
+static unsigned long dsi_fclk_rate(struct dsi_data *dsi)
 {
        unsigned long r;
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        enum dss_clk_source source;
 
        source = dss_get_dsi_clk_source(dsi->dss, dsi->module_id);
@@ -1298,7 +1263,7 @@ static unsigned long dsi_fclk_rate(struct platform_device 
*dsidev)
                r = clk_get_rate(dsi->dss_clk);
        } else {
                /* DSI FCLK source is dsi_pll_hsdiv_dsi_clk */
-               r = dsi_get_pll_hsdiv_dsi_rate(dsidev);
+               r = dsi_get_pll_hsdiv_dsi_rate(dsi);
        }
 
        return r;
@@ -1323,9 +1288,8 @@ static int dsi_lp_clock_calc(unsigned long dsi_fclk,
        return 0;
 }
 
-static int dsi_set_lp_clk_divisor(struct platform_device *dsidev)
+static int dsi_set_lp_clk_divisor(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        unsigned long dsi_fclk;
        unsigned int lp_clk_div;
        unsigned long lp_clk;
@@ -1337,7 +1301,7 @@ static int dsi_set_lp_clk_divisor(struct platform_device 
*dsidev)
        if (lp_clk_div == 0 || lp_clk_div > lpdiv_max)
                return -EINVAL;
 
-       dsi_fclk = dsi_fclk_rate(dsidev);
+       dsi_fclk = dsi_fclk_rate(dsi);
 
        lp_clk = dsi_fclk / 2 / lp_clk_div;
 
@@ -1346,29 +1310,25 @@ static int dsi_set_lp_clk_divisor(struct 
platform_device *dsidev)
        dsi->current_lp_cinfo.lp_clk_div = lp_clk_div;
 
        /* LP_CLK_DIVISOR */
-       REG_FLD_MOD(dsidev, DSI_CLK_CTRL, lp_clk_div, 12, 0);
+       REG_FLD_MOD(dsi, DSI_CLK_CTRL, lp_clk_div, 12, 0);
 
        /* LP_RX_SYNCHRO_ENABLE */
-       REG_FLD_MOD(dsidev, DSI_CLK_CTRL, dsi_fclk > 30000000 ? 1 : 0, 21, 21);
+       REG_FLD_MOD(dsi, DSI_CLK_CTRL, dsi_fclk > 30000000 ? 1 : 0, 21, 21);
 
        return 0;
 }
 
-static void dsi_enable_scp_clk(struct platform_device *dsidev)
+static void dsi_enable_scp_clk(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
        if (dsi->scp_clk_refcount++ == 0)
-               REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 1, 14, 14); /* CIO_CLK_ICG */
+               REG_FLD_MOD(dsi, DSI_CLK_CTRL, 1, 14, 14); /* CIO_CLK_ICG */
 }
 
-static void dsi_disable_scp_clk(struct platform_device *dsidev)
+static void dsi_disable_scp_clk(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
        WARN_ON(dsi->scp_clk_refcount == 0);
        if (--dsi->scp_clk_refcount == 0)
-               REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 0, 14, 14); /* CIO_CLK_ICG */
+               REG_FLD_MOD(dsi, DSI_CLK_CTRL, 0, 14, 14); /* CIO_CLK_ICG */
 }
 
 enum dsi_pll_power_state {
@@ -1378,10 +1338,8 @@ enum dsi_pll_power_state {
        DSI_PLL_POWER_ON_DIV    = 0x3,
 };
 
-static int dsi_pll_power(struct platform_device *dsidev,
-               enum dsi_pll_power_state state)
+static int dsi_pll_power(struct dsi_data *dsi, enum dsi_pll_power_state state)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int t = 0;
 
        /* DSI-PLL power command 0x3 is not working */
@@ -1390,10 +1348,10 @@ static int dsi_pll_power(struct platform_device *dsidev,
                state = DSI_PLL_POWER_ON_ALL;
 
        /* PLL_PWR_CMD */
-       REG_FLD_MOD(dsidev, DSI_CLK_CTRL, state, 31, 30);
+       REG_FLD_MOD(dsi, DSI_CLK_CTRL, state, 31, 30);
 
        /* PLL_PWR_STATUS */
-       while (FLD_GET(dsi_read_reg(dsidev, DSI_CLK_CTRL), 29, 28) != state) {
+       while (FLD_GET(dsi_read_reg(dsi, DSI_CLK_CTRL), 29, 28) != state) {
                if (++t > 1000) {
                        DSSERR("Failed to set DSI PLL power mode to %d\n",
                                        state);
@@ -1420,23 +1378,22 @@ static void dsi_pll_calc_dsi_fck(struct dsi_data *dsi,
 static int dsi_pll_enable(struct dss_pll *pll)
 {
        struct dsi_data *dsi = container_of(pll, struct dsi_data, pll);
-       struct platform_device *dsidev = dsi->pdev;
        int r = 0;
 
        DSSDBG("PLL init\n");
 
-       r = dsi_regulator_init(dsidev);
+       r = dsi_regulator_init(dsi);
        if (r)
                return r;
 
-       r = dsi_runtime_get(dsidev);
+       r = dsi_runtime_get(dsi);
        if (r)
                return r;
 
        /*
         * Note: SCP CLK is not required on OMAP3, but it is required on OMAP4.
         */
-       dsi_enable_scp_clk(dsidev);
+       dsi_enable_scp_clk(dsi);
 
        if (!dsi->vdds_dsi_enabled) {
                r = regulator_enable(dsi->vdds_dsi_reg);
@@ -1448,7 +1405,7 @@ static int dsi_pll_enable(struct dss_pll *pll)
        /* XXX PLL does not come out of reset without this... */
        dispc_pck_free_enable(1);
 
-       if (!wait_for_bit_change(dsidev, DSI_PLL_STATUS, 0, 1)) {
+       if (!wait_for_bit_change(dsi, DSI_PLL_STATUS, 0, 1)) {
                DSSERR("PLL not coming out of reset.\n");
                r = -ENODEV;
                dispc_pck_free_enable(0);
@@ -1459,7 +1416,7 @@ static int dsi_pll_enable(struct dss_pll *pll)
         * fill the whole display. No idea about this */
        dispc_pck_free_enable(0);
 
-       r = dsi_pll_power(dsidev, DSI_PLL_POWER_ON_ALL);
+       r = dsi_pll_power(dsi, DSI_PLL_POWER_ON_ALL);
 
        if (r)
                goto err1;
@@ -1473,24 +1430,22 @@ static int dsi_pll_enable(struct dss_pll *pll)
                dsi->vdds_dsi_enabled = false;
        }
 err0:
-       dsi_disable_scp_clk(dsidev);
-       dsi_runtime_put(dsidev);
+       dsi_disable_scp_clk(dsi);
+       dsi_runtime_put(dsi);
        return r;
 }
 
-static void dsi_pll_uninit(struct platform_device *dsidev, bool 
disconnect_lanes)
+static void dsi_pll_uninit(struct dsi_data *dsi, bool disconnect_lanes)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
-       dsi_pll_power(dsidev, DSI_PLL_POWER_OFF);
+       dsi_pll_power(dsi, DSI_PLL_POWER_OFF);
        if (disconnect_lanes) {
                WARN_ON(!dsi->vdds_dsi_enabled);
                regulator_disable(dsi->vdds_dsi_reg);
                dsi->vdds_dsi_enabled = false;
        }
 
-       dsi_disable_scp_clk(dsidev);
-       dsi_runtime_put(dsidev);
+       dsi_disable_scp_clk(dsi);
+       dsi_runtime_put(dsi);
 
        DSSDBG("PLL uninit done\n");
 }
@@ -1498,15 +1453,12 @@ static void dsi_pll_uninit(struct platform_device 
*dsidev, bool disconnect_lanes
 static void dsi_pll_disable(struct dss_pll *pll)
 {
        struct dsi_data *dsi = container_of(pll, struct dsi_data, pll);
-       struct platform_device *dsidev = dsi->pdev;
 
-       dsi_pll_uninit(dsidev, true);
+       dsi_pll_uninit(dsi, true);
 }
 
-static void dsi_dump_dsidev_clocks(struct platform_device *dsidev,
-               struct seq_file *s)
+static void dsi_dump_dsi_clocks(struct dsi_data *dsi, struct seq_file *s)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        struct dss_pll_clock_info *cinfo = &dsi->pll.cinfo;
        enum dss_clk_source dispc_clk_src, dsi_clk_src;
        int dsi_module = dsi->module_id;
@@ -1515,7 +1467,7 @@ static void dsi_dump_dsidev_clocks(struct platform_device 
*dsidev,
        dispc_clk_src = dss_get_dispc_clk_source(dsi->dss);
        dsi_clk_src = dss_get_dsi_clk_source(dsi->dss, dsi_module);
 
-       if (dsi_runtime_get(dsidev))
+       if (dsi_runtime_get(dsi))
                return;
 
        seq_printf(s,   "- DSI%d PLL -\n", dsi_module + 1);
@@ -1550,35 +1502,33 @@ static void dsi_dump_dsidev_clocks(struct 
platform_device *dsidev,
        seq_printf(s,   "dsi fclk source = %s\n",
                        dss_get_clk_source_name(dsi_clk_src));
 
-       seq_printf(s,   "DSI_FCLK\t%lu\n", dsi_fclk_rate(dsidev));
+       seq_printf(s,   "DSI_FCLK\t%lu\n", dsi_fclk_rate(dsi));
 
        seq_printf(s,   "DDR_CLK\t\t%lu\n",
                        cinfo->clkdco / 4);
 
-       seq_printf(s,   "TxByteClkHS\t%lu\n", dsi_get_txbyteclkhs(dsidev));
+       seq_printf(s,   "TxByteClkHS\t%lu\n", dsi_get_txbyteclkhs(dsi));
 
        seq_printf(s,   "LP_CLK\t\t%lu\n", dsi->current_lp_cinfo.lp_clk);
 
-       dsi_runtime_put(dsidev);
+       dsi_runtime_put(dsi);
 }
 
 void dsi_dump_clocks(struct seq_file *s)
 {
-       struct platform_device *dsidev;
+       struct dsi_data *dsi;
        int i;
 
        for  (i = 0; i < MAX_NUM_DSI; i++) {
-               dsidev = dsi_get_dsidev_from_id(i);
-               if (dsidev)
-                       dsi_dump_dsidev_clocks(dsidev, s);
+               dsi = dsi_get_dsi_from_id(i);
+               if (dsi)
+                       dsi_dump_dsi_clocks(dsi, s);
        }
 }
 
 #ifdef CONFIG_OMAP2_DSS_COLLECT_IRQ_STATS
-static void dsi_dump_dsidev_irqs(struct platform_device *dsidev,
-               struct seq_file *s)
+static void dsi_dump_dsi_irqs(struct dsi_data *dsi, struct seq_file *s)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        unsigned long flags;
        struct dsi_irq_stats stats;
 
@@ -1666,29 +1616,28 @@ static void dsi_dump_dsidev_irqs(struct platform_device 
*dsidev,
 
 static int dsi1_dump_irqs(struct seq_file *s, void *p)
 {
-       struct platform_device *dsidev = dsi_get_dsidev_from_id(0);
+       struct dsi_data *dsi = dsi_get_dsi_from_id(0);
 
-       dsi_dump_dsidev_irqs(dsidev, s);
+       dsi_dump_dsi_irqs(dsi, s);
        return 0;
 }
 
 static int dsi2_dump_irqs(struct seq_file *s, void *p)
 {
-       struct platform_device *dsidev = dsi_get_dsidev_from_id(1);
+       struct dsi_data *dsi = dsi_get_dsi_from_id(1);
 
-       dsi_dump_dsidev_irqs(dsidev, s);
+       dsi_dump_dsi_irqs(dsi, s);
        return 0;
 }
 #endif
 
-static void dsi_dump_dsidev_regs(struct platform_device *dsidev,
-               struct seq_file *s)
+static void dsi_dump_dsi_regs(struct dsi_data *dsi, struct seq_file *s)
 {
-#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, dsi_read_reg(dsidev, r))
+#define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, dsi_read_reg(dsi, r))
 
-       if (dsi_runtime_get(dsidev))
+       if (dsi_runtime_get(dsi))
                return;
-       dsi_enable_scp_clk(dsidev);
+       dsi_enable_scp_clk(dsi);
 
        DUMPREG(DSI_REVISION);
        DUMPREG(DSI_SYSCONFIG);
@@ -1760,24 +1709,24 @@ static void dsi_dump_dsidev_regs(struct platform_device 
*dsidev,
        DUMPREG(DSI_PLL_CONFIGURATION1);
        DUMPREG(DSI_PLL_CONFIGURATION2);
 
-       dsi_disable_scp_clk(dsidev);
-       dsi_runtime_put(dsidev);
+       dsi_disable_scp_clk(dsi);
+       dsi_runtime_put(dsi);
 #undef DUMPREG
 }
 
 static int dsi1_dump_regs(struct seq_file *s, void *p)
 {
-       struct platform_device *dsidev = dsi_get_dsidev_from_id(0);
+       struct dsi_data *dsi = dsi_get_dsi_from_id(0);
 
-       dsi_dump_dsidev_regs(dsidev, s);
+       dsi_dump_dsi_regs(dsi, s);
        return 0;
 }
 
 static int dsi2_dump_regs(struct seq_file *s, void *p)
 {
-       struct platform_device *dsidev = dsi_get_dsidev_from_id(1);
+       struct dsi_data *dsi = dsi_get_dsi_from_id(1);
 
-       dsi_dump_dsidev_regs(dsidev, s);
+       dsi_dump_dsi_regs(dsi, s);
        return 0;
 }
 
@@ -1787,16 +1736,15 @@ enum dsi_cio_power_state {
        DSI_COMPLEXIO_POWER_ULPS        = 0x2,
 };
 
-static int dsi_cio_power(struct platform_device *dsidev,
-               enum dsi_cio_power_state state)
+static int dsi_cio_power(struct dsi_data *dsi, enum dsi_cio_power_state state)
 {
        int t = 0;
 
        /* PWR_CMD */
-       REG_FLD_MOD(dsidev, DSI_COMPLEXIO_CFG1, state, 28, 27);
+       REG_FLD_MOD(dsi, DSI_COMPLEXIO_CFG1, state, 28, 27);
 
        /* PWR_STATUS */
-       while (FLD_GET(dsi_read_reg(dsidev, DSI_COMPLEXIO_CFG1),
+       while (FLD_GET(dsi_read_reg(dsi, DSI_COMPLEXIO_CFG1),
                        26, 25) != state) {
                if (++t > 1000) {
                        DSSERR("failed to set complexio power state to "
@@ -1809,9 +1757,8 @@ static int dsi_cio_power(struct platform_device *dsidev,
        return 0;
 }
 
-static unsigned int dsi_get_line_buf_size(struct platform_device *dsidev)
+static unsigned int dsi_get_line_buf_size(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int val;
 
        /* line buffer on OMAP3 is 1024 x 24bits */
@@ -1821,7 +1768,7 @@ static unsigned int dsi_get_line_buf_size(struct 
platform_device *dsidev)
        if (!(dsi->data->quirks & DSI_QUIRK_GNQ))
                return 1023 * 3;
 
-       val = REG_GET(dsidev, DSI_GNQ, 14, 12); /* VP1_LINE_BUFFER_SIZE */
+       val = REG_GET(dsi, DSI_GNQ, 14, 12); /* VP1_LINE_BUFFER_SIZE */
 
        switch (val) {
        case 1:
@@ -1844,9 +1791,8 @@ static unsigned int dsi_get_line_buf_size(struct 
platform_device *dsidev)
        }
 }
 
-static int dsi_set_lane_config(struct platform_device *dsidev)
+static int dsi_set_lane_config(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        static const u8 offsets[] = { 0, 4, 8, 12, 16 };
        static const enum dsi_lane_function functions[] = {
                DSI_LANE_CLK,
@@ -1858,7 +1804,7 @@ static int dsi_set_lane_config(struct platform_device 
*dsidev)
        u32 r;
        int i;
 
-       r = dsi_read_reg(dsidev, DSI_COMPLEXIO_CFG1);
+       r = dsi_read_reg(dsi, DSI_COMPLEXIO_CFG1);
 
        for (i = 0; i < dsi->num_lanes_used; ++i) {
                unsigned int offset = offsets[i];
@@ -1887,33 +1833,28 @@ static int dsi_set_lane_config(struct platform_device 
*dsidev)
                r = FLD_MOD(r, 0, offset + 3, offset + 3);
        }
 
-       dsi_write_reg(dsidev, DSI_COMPLEXIO_CFG1, r);
+       dsi_write_reg(dsi, DSI_COMPLEXIO_CFG1, r);
 
        return 0;
 }
 
-static inline unsigned int ns2ddr(struct platform_device *dsidev,
-                                 unsigned int ns)
+static inline unsigned int ns2ddr(struct dsi_data *dsi, unsigned int ns)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
        /* convert time in ns to ddr ticks, rounding up */
        unsigned long ddr_clk = dsi->pll.cinfo.clkdco / 4;
+
        return (ns * (ddr_clk / 1000 / 1000) + 999) / 1000;
 }
 
-static inline unsigned int ddr2ns(struct platform_device *dsidev,
-                                 unsigned int ddr)
+static inline unsigned int ddr2ns(struct dsi_data *dsi, unsigned int ddr)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
        unsigned long ddr_clk = dsi->pll.cinfo.clkdco / 4;
+
        return ddr * 1000 * 1000 / (ddr_clk / 1000);
 }
 
-static void dsi_cio_timings(struct platform_device *dsidev)
+static void dsi_cio_timings(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        u32 r;
        u32 ths_prepare, ths_prepare_ths_zero, ths_trail, ths_exit;
        u32 tlpx_half, tclk_trail, tclk_zero;
@@ -1924,54 +1865,54 @@ static void dsi_cio_timings(struct platform_device 
*dsidev)
        /* 1 * DDR_CLK = 2 * UI */
 
        /* min 40ns + 4*UI      max 85ns + 6*UI */
-       ths_prepare = ns2ddr(dsidev, 70) + 2;
+       ths_prepare = ns2ddr(dsi, 70) + 2;
 
        /* min 145ns + 10*UI */
-       ths_prepare_ths_zero = ns2ddr(dsidev, 175) + 2;
+       ths_prepare_ths_zero = ns2ddr(dsi, 175) + 2;
 
        /* min max(8*UI, 60ns+4*UI) */
-       ths_trail = ns2ddr(dsidev, 60) + 5;
+       ths_trail = ns2ddr(dsi, 60) + 5;
 
        /* min 100ns */
-       ths_exit = ns2ddr(dsidev, 145);
+       ths_exit = ns2ddr(dsi, 145);
 
        /* tlpx min 50n */
-       tlpx_half = ns2ddr(dsidev, 25);
+       tlpx_half = ns2ddr(dsi, 25);
 
        /* min 60ns */
-       tclk_trail = ns2ddr(dsidev, 60) + 2;
+       tclk_trail = ns2ddr(dsi, 60) + 2;
 
        /* min 38ns, max 95ns */
-       tclk_prepare = ns2ddr(dsidev, 65);
+       tclk_prepare = ns2ddr(dsi, 65);
 
        /* min tclk-prepare + tclk-zero = 300ns */
-       tclk_zero = ns2ddr(dsidev, 260);
+       tclk_zero = ns2ddr(dsi, 260);
 
        DSSDBG("ths_prepare %u (%uns), ths_prepare_ths_zero %u (%uns)\n",
-               ths_prepare, ddr2ns(dsidev, ths_prepare),
-               ths_prepare_ths_zero, ddr2ns(dsidev, ths_prepare_ths_zero));
+               ths_prepare, ddr2ns(dsi, ths_prepare),
+               ths_prepare_ths_zero, ddr2ns(dsi, ths_prepare_ths_zero));
        DSSDBG("ths_trail %u (%uns), ths_exit %u (%uns)\n",
-                       ths_trail, ddr2ns(dsidev, ths_trail),
-                       ths_exit, ddr2ns(dsidev, ths_exit));
+                       ths_trail, ddr2ns(dsi, ths_trail),
+                       ths_exit, ddr2ns(dsi, ths_exit));
 
        DSSDBG("tlpx_half %u (%uns), tclk_trail %u (%uns), "
                        "tclk_zero %u (%uns)\n",
-                       tlpx_half, ddr2ns(dsidev, tlpx_half),
-                       tclk_trail, ddr2ns(dsidev, tclk_trail),
-                       tclk_zero, ddr2ns(dsidev, tclk_zero));
+                       tlpx_half, ddr2ns(dsi, tlpx_half),
+                       tclk_trail, ddr2ns(dsi, tclk_trail),
+                       tclk_zero, ddr2ns(dsi, tclk_zero));
        DSSDBG("tclk_prepare %u (%uns)\n",
-                       tclk_prepare, ddr2ns(dsidev, tclk_prepare));
+                       tclk_prepare, ddr2ns(dsi, tclk_prepare));
 
        /* program timings */
 
-       r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG0);
+       r = dsi_read_reg(dsi, DSI_DSIPHY_CFG0);
        r = FLD_MOD(r, ths_prepare, 31, 24);
        r = FLD_MOD(r, ths_prepare_ths_zero, 23, 16);
        r = FLD_MOD(r, ths_trail, 15, 8);
        r = FLD_MOD(r, ths_exit, 7, 0);
-       dsi_write_reg(dsidev, DSI_DSIPHY_CFG0, r);
+       dsi_write_reg(dsi, DSI_DSIPHY_CFG0, r);
 
-       r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG1);
+       r = dsi_read_reg(dsi, DSI_DSIPHY_CFG1);
        r = FLD_MOD(r, tlpx_half, 20, 16);
        r = FLD_MOD(r, tclk_trail, 15, 8);
        r = FLD_MOD(r, tclk_zero, 7, 0);
@@ -1982,18 +1923,18 @@ static void dsi_cio_timings(struct platform_device 
*dsidev)
                r = FLD_MOD(r, 1, 23, 23);      /* CLKINP_SEL = enable */
        }
 
-       dsi_write_reg(dsidev, DSI_DSIPHY_CFG1, r);
+       dsi_write_reg(dsi, DSI_DSIPHY_CFG1, r);
 
-       r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG2);
+       r = dsi_read_reg(dsi, DSI_DSIPHY_CFG2);
        r = FLD_MOD(r, tclk_prepare, 7, 0);
-       dsi_write_reg(dsidev, DSI_DSIPHY_CFG2, r);
+       dsi_write_reg(dsi, DSI_DSIPHY_CFG2, r);
 }
 
 /* lane masks have lane 0 at lsb. mask_p for positive lines, n for negative */
-static void dsi_cio_enable_lane_override(struct platform_device *dsidev,
-               unsigned int mask_p, unsigned int mask_n)
+static void dsi_cio_enable_lane_override(struct dsi_data *dsi,
+                                        unsigned int mask_p,
+                                        unsigned int mask_n)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int i;
        u32 l;
        u8 lptxscp_start = dsi->num_lanes_supported == 3 ? 22 : 26;
@@ -2022,26 +1963,25 @@ static void dsi_cio_enable_lane_override(struct 
platform_device *dsidev,
        /* Set the lane override configuration */
 
        /* REGLPTXSCPDAT4TO0DXDY */
-       REG_FLD_MOD(dsidev, DSI_DSIPHY_CFG10, l, lptxscp_start, 17);
+       REG_FLD_MOD(dsi, DSI_DSIPHY_CFG10, l, lptxscp_start, 17);
 
        /* Enable lane override */
 
        /* ENLPTXSCPDAT */
-       REG_FLD_MOD(dsidev, DSI_DSIPHY_CFG10, 1, 27, 27);
+       REG_FLD_MOD(dsi, DSI_DSIPHY_CFG10, 1, 27, 27);
 }
 
-static void dsi_cio_disable_lane_override(struct platform_device *dsidev)
+static void dsi_cio_disable_lane_override(struct dsi_data *dsi)
 {
        /* Disable lane override */
-       REG_FLD_MOD(dsidev, DSI_DSIPHY_CFG10, 0, 27, 27); /* ENLPTXSCPDAT */
+       REG_FLD_MOD(dsi, DSI_DSIPHY_CFG10, 0, 27, 27); /* ENLPTXSCPDAT */
        /* Reset the lane override configuration */
        /* REGLPTXSCPDAT4TO0DXDY */
-       REG_FLD_MOD(dsidev, DSI_DSIPHY_CFG10, 0, 22, 17);
+       REG_FLD_MOD(dsi, DSI_DSIPHY_CFG10, 0, 22, 17);
 }
 
-static int dsi_cio_wait_tx_clk_esc_reset(struct platform_device *dsidev)
+static int dsi_cio_wait_tx_clk_esc_reset(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int t, i;
        bool in_use[DSI_MAX_NR_LANES];
        static const u8 offsets_old[] = { 28, 27, 26 };
@@ -2061,7 +2001,7 @@ static int dsi_cio_wait_tx_clk_esc_reset(struct 
platform_device *dsidev)
                u32 l;
                int ok;
 
-               l = dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);
+               l = dsi_read_reg(dsi, DSI_DSIPHY_CFG5);
 
                ok = 0;
                for (i = 0; i < dsi->num_lanes_supported; ++i) {
@@ -2088,9 +2028,8 @@ static int dsi_cio_wait_tx_clk_esc_reset(struct 
platform_device *dsidev)
 }
 
 /* return bitmask of enabled lanes, lane0 being the lsb */
-static unsigned int dsi_get_lane_mask(struct platform_device *dsidev)
+static unsigned int dsi_get_lane_mask(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        unsigned int mask = 0;
        int i;
 
@@ -2179,42 +2118,41 @@ static void dsi_disable_pads(struct dsi_data *dsi)
                dsi_omap5_mux_pads(dsi, 0);
 }
 
-static int dsi_cio_init(struct platform_device *dsidev)
+static int dsi_cio_init(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int r;
        u32 l;
 
        DSSDBG("DSI CIO init starts");
 
-       r = dsi_enable_pads(dsi, dsi_get_lane_mask(dsidev));
+       r = dsi_enable_pads(dsi, dsi_get_lane_mask(dsi));
        if (r)
                return r;
 
-       dsi_enable_scp_clk(dsidev);
+       dsi_enable_scp_clk(dsi);
 
        /* A dummy read using the SCP interface to any DSIPHY register is
         * required after DSIPHY reset to complete the reset of the DSI complex
         * I/O. */
-       dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);
+       dsi_read_reg(dsi, DSI_DSIPHY_CFG5);
 
-       if (!wait_for_bit_change(dsidev, DSI_DSIPHY_CFG5, 30, 1)) {
+       if (!wait_for_bit_change(dsi, DSI_DSIPHY_CFG5, 30, 1)) {
                DSSERR("CIO SCP Clock domain not coming out of reset.\n");
                r = -EIO;
                goto err_scp_clk_dom;
        }
 
-       r = dsi_set_lane_config(dsidev);
+       r = dsi_set_lane_config(dsi);
        if (r)
                goto err_scp_clk_dom;
 
        /* set TX STOP MODE timer to maximum for this operation */
-       l = dsi_read_reg(dsidev, DSI_TIMING1);
+       l = dsi_read_reg(dsi, DSI_TIMING1);
        l = FLD_MOD(l, 1, 15, 15);      /* FORCE_TX_STOP_MODE_IO */
        l = FLD_MOD(l, 1, 14, 14);      /* STOP_STATE_X16_IO */
        l = FLD_MOD(l, 1, 13, 13);      /* STOP_STATE_X4_IO */
        l = FLD_MOD(l, 0x1fff, 12, 0);  /* STOP_STATE_COUNTER_IO */
-       dsi_write_reg(dsidev, DSI_TIMING1, l);
+       dsi_write_reg(dsi, DSI_TIMING1, l);
 
        if (dsi->ulps_enabled) {
                unsigned int mask_p;
@@ -2239,24 +2177,24 @@ static int dsi_cio_init(struct platform_device *dsidev)
                        mask_p |= 1 << i;
                }
 
-               dsi_cio_enable_lane_override(dsidev, mask_p, 0);
+               dsi_cio_enable_lane_override(dsi, mask_p, 0);
        }
 
-       r = dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_ON);
+       r = dsi_cio_power(dsi, DSI_COMPLEXIO_POWER_ON);
        if (r)
                goto err_cio_pwr;
 
-       if (!wait_for_bit_change(dsidev, DSI_COMPLEXIO_CFG1, 29, 1)) {
+       if (!wait_for_bit_change(dsi, DSI_COMPLEXIO_CFG1, 29, 1)) {
                DSSERR("CIO PWR clock domain not coming out of reset.\n");
                r = -ENODEV;
                goto err_cio_pwr_dom;
        }
 
-       dsi_if_enable(dsidev, true);
-       dsi_if_enable(dsidev, false);
-       REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 1, 20, 20); /* LP_CLK_ENABLE */
+       dsi_if_enable(dsi, true);
+       dsi_if_enable(dsi, false);
+       REG_FLD_MOD(dsi, DSI_CLK_CTRL, 1, 20, 20); /* LP_CLK_ENABLE */
 
-       r = dsi_cio_wait_tx_clk_esc_reset(dsidev);
+       r = dsi_cio_wait_tx_clk_esc_reset(dsi);
        if (r)
                goto err_tx_clk_esc_rst;
 
@@ -2268,17 +2206,17 @@ static int dsi_cio_init(struct platform_device *dsidev)
 
                /* Disable the override. The lanes should be set to Mark-11
                 * state by the HW */
-               dsi_cio_disable_lane_override(dsidev);
+               dsi_cio_disable_lane_override(dsi);
        }
 
        /* FORCE_TX_STOP_MODE_IO */
-       REG_FLD_MOD(dsidev, DSI_TIMING1, 0, 15, 15);
+       REG_FLD_MOD(dsi, DSI_TIMING1, 0, 15, 15);
 
-       dsi_cio_timings(dsidev);
+       dsi_cio_timings(dsi);
 
        if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
                /* DDR_CLK_ALWAYS_ON */
-               REG_FLD_MOD(dsidev, DSI_CLK_CTRL,
+               REG_FLD_MOD(dsi, DSI_CLK_CTRL,
                        dsi->vm_timings.ddr_clk_always_on, 13, 13);
        }
 
@@ -2289,35 +2227,32 @@ static int dsi_cio_init(struct platform_device *dsidev)
        return 0;
 
 err_tx_clk_esc_rst:
-       REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 0, 20, 20); /* LP_CLK_ENABLE */
+       REG_FLD_MOD(dsi, DSI_CLK_CTRL, 0, 20, 20); /* LP_CLK_ENABLE */
 err_cio_pwr_dom:
-       dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_OFF);
+       dsi_cio_power(dsi, DSI_COMPLEXIO_POWER_OFF);
 err_cio_pwr:
        if (dsi->ulps_enabled)
-               dsi_cio_disable_lane_override(dsidev);
+               dsi_cio_disable_lane_override(dsi);
 err_scp_clk_dom:
-       dsi_disable_scp_clk(dsidev);
+       dsi_disable_scp_clk(dsi);
        dsi_disable_pads(dsi);
        return r;
 }
 
-static void dsi_cio_uninit(struct platform_device *dsidev)
+static void dsi_cio_uninit(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
        /* DDR_CLK_ALWAYS_ON */
-       REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 0, 13, 13);
+       REG_FLD_MOD(dsi, DSI_CLK_CTRL, 0, 13, 13);
 
-       dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_OFF);
-       dsi_disable_scp_clk(dsidev);
+       dsi_cio_power(dsi, DSI_COMPLEXIO_POWER_OFF);
+       dsi_disable_scp_clk(dsi);
        dsi_disable_pads(dsi);
 }
 
-static void dsi_config_tx_fifo(struct platform_device *dsidev,
-               enum fifo_size size1, enum fifo_size size2,
-               enum fifo_size size3, enum fifo_size size4)
+static void dsi_config_tx_fifo(struct dsi_data *dsi,
+                              enum fifo_size size1, enum fifo_size size2,
+                              enum fifo_size size3, enum fifo_size size4)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        u32 r = 0;
        int add = 0;
        int i;
@@ -2343,14 +2278,13 @@ static void dsi_config_tx_fifo(struct platform_device 
*dsidev,
                add += size;
        }
 
-       dsi_write_reg(dsidev, DSI_TX_FIFO_VC_SIZE, r);
+       dsi_write_reg(dsi, DSI_TX_FIFO_VC_SIZE, r);
 }
 
-static void dsi_config_rx_fifo(struct platform_device *dsidev,
+static void dsi_config_rx_fifo(struct dsi_data *dsi,
                enum fifo_size size1, enum fifo_size size2,
                enum fifo_size size3, enum fifo_size size4)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        u32 r = 0;
        int add = 0;
        int i;
@@ -2376,18 +2310,18 @@ static void dsi_config_rx_fifo(struct platform_device 
*dsidev,
                add += size;
        }
 
-       dsi_write_reg(dsidev, DSI_RX_FIFO_VC_SIZE, r);
+       dsi_write_reg(dsi, DSI_RX_FIFO_VC_SIZE, r);
 }
 
-static int dsi_force_tx_stop_mode_io(struct platform_device *dsidev)
+static int dsi_force_tx_stop_mode_io(struct dsi_data *dsi)
 {
        u32 r;
 
-       r = dsi_read_reg(dsidev, DSI_TIMING1);
+       r = dsi_read_reg(dsi, DSI_TIMING1);
        r = FLD_MOD(r, 1, 15, 15);      /* FORCE_TX_STOP_MODE_IO */
-       dsi_write_reg(dsidev, DSI_TIMING1, r);
+       dsi_write_reg(dsi, DSI_TIMING1, r);
 
-       if (!wait_for_bit_change(dsidev, DSI_TIMING1, 15, 0)) {
+       if (!wait_for_bit_change(dsi, DSI_TIMING1, 15, 0)) {
                DSSERR("TX_STOP bit not going down\n");
                return -EIO;
        }
@@ -2395,29 +2329,28 @@ static int dsi_force_tx_stop_mode_io(struct 
platform_device *dsidev)
        return 0;
 }
 
-static bool dsi_vc_is_enabled(struct platform_device *dsidev, int channel)
+static bool dsi_vc_is_enabled(struct dsi_data *dsi, int channel)
 {
-       return REG_GET(dsidev, DSI_VC_CTRL(channel), 0, 0);
+       return REG_GET(dsi, DSI_VC_CTRL(channel), 0, 0);
 }
 
 static void dsi_packet_sent_handler_vp(void *data, u32 mask)
 {
        struct dsi_packet_sent_handler_data *vp_data =
                (struct dsi_packet_sent_handler_data *) data;
-       struct dsi_data *dsi = dsi_get_dsidrv_data(vp_data->dsidev);
+       struct dsi_data *dsi = vp_data->dsi;
        const int channel = dsi->update_channel;
        u8 bit = dsi->te_enabled ? 30 : 31;
 
-       if (REG_GET(vp_data->dsidev, DSI_VC_TE(channel), bit, bit) == 0)
+       if (REG_GET(dsi, DSI_VC_TE(channel), bit, bit) == 0)
                complete(vp_data->completion);
 }
 
-static int dsi_sync_vc_vp(struct platform_device *dsidev, int channel)
+static int dsi_sync_vc_vp(struct dsi_data *dsi, int channel)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        DECLARE_COMPLETION_ONSTACK(completion);
        struct dsi_packet_sent_handler_data vp_data = {
-               .dsidev = dsidev,
+               .dsi = dsi,
                .completion = &completion
        };
        int r = 0;
@@ -2425,13 +2358,13 @@ static int dsi_sync_vc_vp(struct platform_device 
*dsidev, int channel)
 
        bit = dsi->te_enabled ? 30 : 31;
 
-       r = dsi_register_isr_vc(dsidev, channel, dsi_packet_sent_handler_vp,
+       r = dsi_register_isr_vc(dsi, channel, dsi_packet_sent_handler_vp,
                &vp_data, DSI_VC_IRQ_PACKET_SENT);
        if (r)
                goto err0;
 
        /* Wait for completion only if TE_EN/TE_START is still set */
-       if (REG_GET(dsidev, DSI_VC_TE(channel), bit, bit)) {
+       if (REG_GET(dsi, DSI_VC_TE(channel), bit, bit)) {
                if (wait_for_completion_timeout(&completion,
                                msecs_to_jiffies(10)) == 0) {
                        DSSERR("Failed to complete previous frame transfer\n");
@@ -2440,12 +2373,12 @@ static int dsi_sync_vc_vp(struct platform_device 
*dsidev, int channel)
                }
        }
 
-       dsi_unregister_isr_vc(dsidev, channel, dsi_packet_sent_handler_vp,
+       dsi_unregister_isr_vc(dsi, channel, dsi_packet_sent_handler_vp,
                &vp_data, DSI_VC_IRQ_PACKET_SENT);
 
        return 0;
 err1:
-       dsi_unregister_isr_vc(dsidev, channel, dsi_packet_sent_handler_vp,
+       dsi_unregister_isr_vc(dsi, channel, dsi_packet_sent_handler_vp,
                &vp_data, DSI_VC_IRQ_PACKET_SENT);
 err0:
        return r;
@@ -2455,29 +2388,29 @@ static void dsi_packet_sent_handler_l4(void *data, u32 
mask)
 {
        struct dsi_packet_sent_handler_data *l4_data =
                (struct dsi_packet_sent_handler_data *) data;
-       struct dsi_data *dsi = dsi_get_dsidrv_data(l4_data->dsidev);
+       struct dsi_data *dsi = l4_data->dsi;
        const int channel = dsi->update_channel;
 
-       if (REG_GET(l4_data->dsidev, DSI_VC_CTRL(channel), 5, 5) == 0)
+       if (REG_GET(dsi, DSI_VC_CTRL(channel), 5, 5) == 0)
                complete(l4_data->completion);
 }
 
-static int dsi_sync_vc_l4(struct platform_device *dsidev, int channel)
+static int dsi_sync_vc_l4(struct dsi_data *dsi, int channel)
 {
        DECLARE_COMPLETION_ONSTACK(completion);
        struct dsi_packet_sent_handler_data l4_data = {
-               .dsidev = dsidev,
+               .dsi = dsi,
                .completion = &completion
        };
        int r = 0;
 
-       r = dsi_register_isr_vc(dsidev, channel, dsi_packet_sent_handler_l4,
+       r = dsi_register_isr_vc(dsi, channel, dsi_packet_sent_handler_l4,
                &l4_data, DSI_VC_IRQ_PACKET_SENT);
        if (r)
                goto err0;
 
        /* Wait for completion only if TX_FIFO_NOT_EMPTY is still set */
-       if (REG_GET(dsidev, DSI_VC_CTRL(channel), 5, 5)) {
+       if (REG_GET(dsi, DSI_VC_CTRL(channel), 5, 5)) {
                if (wait_for_completion_timeout(&completion,
                                msecs_to_jiffies(10)) == 0) {
                        DSSERR("Failed to complete previous l4 transfer\n");
@@ -2486,50 +2419,47 @@ static int dsi_sync_vc_l4(struct platform_device 
*dsidev, int channel)
                }
        }
 
-       dsi_unregister_isr_vc(dsidev, channel, dsi_packet_sent_handler_l4,
+       dsi_unregister_isr_vc(dsi, channel, dsi_packet_sent_handler_l4,
                &l4_data, DSI_VC_IRQ_PACKET_SENT);
 
        return 0;
 err1:
-       dsi_unregister_isr_vc(dsidev, channel, dsi_packet_sent_handler_l4,
+       dsi_unregister_isr_vc(dsi, channel, dsi_packet_sent_handler_l4,
                &l4_data, DSI_VC_IRQ_PACKET_SENT);
 err0:
        return r;
 }
 
-static int dsi_sync_vc(struct platform_device *dsidev, int channel)
+static int dsi_sync_vc(struct dsi_data *dsi, int channel)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
-       WARN_ON(!dsi_bus_is_locked(dsidev));
+       WARN_ON(!dsi_bus_is_locked(dsi));
 
        WARN_ON(in_interrupt());
 
-       if (!dsi_vc_is_enabled(dsidev, channel))
+       if (!dsi_vc_is_enabled(dsi, channel))
                return 0;
 
        switch (dsi->vc[channel].source) {
        case DSI_VC_SOURCE_VP:
-               return dsi_sync_vc_vp(dsidev, channel);
+               return dsi_sync_vc_vp(dsi, channel);
        case DSI_VC_SOURCE_L4:
-               return dsi_sync_vc_l4(dsidev, channel);
+               return dsi_sync_vc_l4(dsi, channel);
        default:
                BUG();
                return -EINVAL;
        }
 }
 
-static int dsi_vc_enable(struct platform_device *dsidev, int channel,
-               bool enable)
+static int dsi_vc_enable(struct dsi_data *dsi, int channel, bool enable)
 {
        DSSDBG("dsi_vc_enable channel %d, enable %d\n",
                        channel, enable);
 
        enable = enable ? 1 : 0;
 
-       REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), enable, 0, 0);
+       REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), enable, 0, 0);
 
-       if (!wait_for_bit_change(dsidev, DSI_VC_CTRL(channel), 0, enable)) {
+       if (!wait_for_bit_change(dsi, DSI_VC_CTRL(channel), 0, enable)) {
                DSSERR("Failed to set dsi_vc_enable to %d\n", enable);
                return -EIO;
        }
@@ -2537,14 +2467,13 @@ static int dsi_vc_enable(struct platform_device 
*dsidev, int channel,
        return 0;
 }
 
-static void dsi_vc_initial_config(struct platform_device *dsidev, int channel)
+static void dsi_vc_initial_config(struct dsi_data *dsi, int channel)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        u32 r;
 
        DSSDBG("Initial config of virtual channel %d", channel);
 
-       r = dsi_read_reg(dsidev, DSI_VC_CTRL(channel));
+       r = dsi_read_reg(dsi, DSI_VC_CTRL(channel));
 
        if (FLD_GET(r, 15, 15)) /* VC_BUSY */
                DSSERR("VC(%d) busy when trying to configure it!\n",
@@ -2563,41 +2492,39 @@ static void dsi_vc_initial_config(struct 
platform_device *dsidev, int channel)
        r = FLD_MOD(r, 4, 29, 27); /* DMA_RX_REQ_NB = no dma */
        r = FLD_MOD(r, 4, 23, 21); /* DMA_TX_REQ_NB = no dma */
 
-       dsi_write_reg(dsidev, DSI_VC_CTRL(channel), r);
+       dsi_write_reg(dsi, DSI_VC_CTRL(channel), r);
 
        dsi->vc[channel].source = DSI_VC_SOURCE_L4;
 }
 
-static int dsi_vc_config_source(struct platform_device *dsidev, int channel,
-               enum dsi_vc_source source)
+static int dsi_vc_config_source(struct dsi_data *dsi, int channel,
+                               enum dsi_vc_source source)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
        if (dsi->vc[channel].source == source)
                return 0;
 
        DSSDBG("Source config of virtual channel %d", channel);
 
-       dsi_sync_vc(dsidev, channel);
+       dsi_sync_vc(dsi, channel);
 
-       dsi_vc_enable(dsidev, channel, 0);
+       dsi_vc_enable(dsi, channel, 0);
 
        /* VC_BUSY */
-       if (!wait_for_bit_change(dsidev, DSI_VC_CTRL(channel), 15, 0)) {
+       if (!wait_for_bit_change(dsi, DSI_VC_CTRL(channel), 15, 0)) {
                DSSERR("vc(%d) busy when trying to config for VP\n", channel);
                return -EIO;
        }
 
        /* SOURCE, 0 = L4, 1 = video port */
-       REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), source, 1, 1);
+       REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), source, 1, 1);
 
        /* DCS_CMD_ENABLE */
        if (dsi->data->quirks & DSI_QUIRK_DCS_CMD_CONFIG_VC) {
                bool enable = source == DSI_VC_SOURCE_VP;
-               REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), enable, 30, 30);
+               REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), enable, 30, 30);
        }
 
-       dsi_vc_enable(dsidev, channel, 1);
+       dsi_vc_enable(dsi, channel, 1);
 
        dsi->vc[channel].source = source;
 
@@ -2612,28 +2539,28 @@ static void dsi_vc_enable_hs(struct omap_dss_device 
*dssdev, int channel,
 
        DSSDBG("dsi_vc_enable_hs(%d, %d)\n", channel, enable);
 
-       WARN_ON(!dsi_bus_is_locked(dsidev));
+       WARN_ON(!dsi_bus_is_locked(dsi));
 
-       dsi_vc_enable(dsidev, channel, 0);
-       dsi_if_enable(dsidev, 0);
+       dsi_vc_enable(dsi, channel, 0);
+       dsi_if_enable(dsi, 0);
 
-       REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), enable, 9, 9);
+       REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), enable, 9, 9);
 
-       dsi_vc_enable(dsidev, channel, 1);
-       dsi_if_enable(dsidev, 1);
+       dsi_vc_enable(dsi, channel, 1);
+       dsi_if_enable(dsi, 1);
 
-       dsi_force_tx_stop_mode_io(dsidev);
+       dsi_force_tx_stop_mode_io(dsi);
 
        /* start the DDR clock by sending a NULL packet */
        if (dsi->vm_timings.ddr_clk_always_on && enable)
-               dsi_vc_send_null(dssdev, channel);
+               dsi_vc_send_null(dsi, channel);
 }
 
-static void dsi_vc_flush_long_data(struct platform_device *dsidev, int channel)
+static void dsi_vc_flush_long_data(struct dsi_data *dsi, int channel)
 {
-       while (REG_GET(dsidev, DSI_VC_CTRL(channel), 20, 20)) {
+       while (REG_GET(dsi, DSI_VC_CTRL(channel), 20, 20)) {
                u32 val;
-               val = dsi_read_reg(dsidev, DSI_VC_SHORT_PACKET_HEADER(channel));
+               val = dsi_read_reg(dsi, DSI_VC_SHORT_PACKET_HEADER(channel));
                DSSDBG("\t\tb1 %#02x b2 %#02x b3 %#02x b4 %#02x\n",
                                (val >> 0) & 0xff,
                                (val >> 8) & 0xff,
@@ -2679,14 +2606,13 @@ static void dsi_show_rx_ack_with_err(u16 err)
                DSSERR("\t\tDSI Protocol Violation\n");
 }
 
-static u16 dsi_vc_flush_receive_data(struct platform_device *dsidev,
-               int channel)
+static u16 dsi_vc_flush_receive_data(struct dsi_data *dsi, int channel)
 {
        /* RX_FIFO_NOT_EMPTY */
-       while (REG_GET(dsidev, DSI_VC_CTRL(channel), 20, 20)) {
+       while (REG_GET(dsi, DSI_VC_CTRL(channel), 20, 20)) {
                u32 val;
                u8 dt;
-               val = dsi_read_reg(dsidev, DSI_VC_SHORT_PACKET_HEADER(channel));
+               val = dsi_read_reg(dsi, DSI_VC_SHORT_PACKET_HEADER(channel));
                DSSERR("\trawval %#08x\n", val);
                dt = FLD_GET(val, 5, 0);
                if (dt == MIPI_DSI_RX_ACKNOWLEDGE_AND_ERROR_REPORT) {
@@ -2701,7 +2627,7 @@ static u16 dsi_vc_flush_receive_data(struct 
platform_device *dsidev,
                } else if (dt == MIPI_DSI_RX_DCS_LONG_READ_RESPONSE) {
                        DSSERR("\tDCS long response, len %d\n",
                                        FLD_GET(val, 23, 8));
-                       dsi_vc_flush_long_data(dsidev, channel);
+                       dsi_vc_flush_long_data(dsi, channel);
                } else {
                        DSSERR("\tunknown datatype 0x%02x\n", dt);
                }
@@ -2709,25 +2635,23 @@ static u16 dsi_vc_flush_receive_data(struct 
platform_device *dsidev,
        return 0;
 }
 
-static int dsi_vc_send_bta(struct platform_device *dsidev, int channel)
+static int dsi_vc_send_bta(struct dsi_data *dsi, int channel)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
        if (dsi->debug_write || dsi->debug_read)
                DSSDBG("dsi_vc_send_bta %d\n", channel);
 
-       WARN_ON(!dsi_bus_is_locked(dsidev));
+       WARN_ON(!dsi_bus_is_locked(dsi));
 
        /* RX_FIFO_NOT_EMPTY */
-       if (REG_GET(dsidev, DSI_VC_CTRL(channel), 20, 20)) {
+       if (REG_GET(dsi, DSI_VC_CTRL(channel), 20, 20)) {
                DSSERR("rx fifo not empty when sending BTA, dumping data:\n");
-               dsi_vc_flush_receive_data(dsidev, channel);
+               dsi_vc_flush_receive_data(dsi, channel);
        }
 
-       REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), 1, 6, 6); /* BTA_EN */
+       REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), 1, 6, 6); /* BTA_EN */
 
        /* flush posted write */
-       dsi_read_reg(dsidev, DSI_VC_CTRL(channel));
+       dsi_read_reg(dsi, DSI_VC_CTRL(channel));
 
        return 0;
 }
@@ -2735,21 +2659,22 @@ static int dsi_vc_send_bta(struct platform_device 
*dsidev, int channel)
 static int dsi_vc_send_bta_sync(struct omap_dss_device *dssdev, int channel)
 {
        struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        DECLARE_COMPLETION_ONSTACK(completion);
        int r = 0;
        u32 err;
 
-       r = dsi_register_isr_vc(dsidev, channel, dsi_completion_handler,
+       r = dsi_register_isr_vc(dsi, channel, dsi_completion_handler,
                        &completion, DSI_VC_IRQ_BTA);
        if (r)
                goto err0;
 
-       r = dsi_register_isr(dsidev, dsi_completion_handler, &completion,
+       r = dsi_register_isr(dsi, dsi_completion_handler, &completion,
                        DSI_IRQ_ERROR_MASK);
        if (r)
                goto err1;
 
-       r = dsi_vc_send_bta(dsidev, channel);
+       r = dsi_vc_send_bta(dsi, channel);
        if (r)
                goto err2;
 
@@ -2760,41 +2685,40 @@ static int dsi_vc_send_bta_sync(struct omap_dss_device 
*dssdev, int channel)
                goto err2;
        }
 
-       err = dsi_get_errors(dsidev);
+       err = dsi_get_errors(dsi);
        if (err) {
                DSSERR("Error while sending BTA: %x\n", err);
                r = -EIO;
                goto err2;
        }
 err2:
-       dsi_unregister_isr(dsidev, dsi_completion_handler, &completion,
+       dsi_unregister_isr(dsi, dsi_completion_handler, &completion,
                        DSI_IRQ_ERROR_MASK);
 err1:
-       dsi_unregister_isr_vc(dsidev, channel, dsi_completion_handler,
+       dsi_unregister_isr_vc(dsi, channel, dsi_completion_handler,
                        &completion, DSI_VC_IRQ_BTA);
 err0:
        return r;
 }
 
-static inline void dsi_vc_write_long_header(struct platform_device *dsidev,
-               int channel, u8 data_type, u16 len, u8 ecc)
+static inline void dsi_vc_write_long_header(struct dsi_data *dsi, int channel,
+                                           u8 data_type, u16 len, u8 ecc)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        u32 val;
        u8 data_id;
 
-       WARN_ON(!dsi_bus_is_locked(dsidev));
+       WARN_ON(!dsi_bus_is_locked(dsi));
 
        data_id = data_type | dsi->vc[channel].vc_id << 6;
 
        val = FLD_VAL(data_id, 7, 0) | FLD_VAL(len, 23, 8) |
                FLD_VAL(ecc, 31, 24);
 
-       dsi_write_reg(dsidev, DSI_VC_LONG_PACKET_HEADER(channel), val);
+       dsi_write_reg(dsi, DSI_VC_LONG_PACKET_HEADER(channel), val);
 }
 
-static inline void dsi_vc_write_long_payload(struct platform_device *dsidev,
-               int channel, u8 b1, u8 b2, u8 b3, u8 b4)
+static inline void dsi_vc_write_long_payload(struct dsi_data *dsi, int channel,
+                                            u8 b1, u8 b2, u8 b3, u8 b4)
 {
        u32 val;
 
@@ -2803,14 +2727,13 @@ static inline void dsi_vc_write_long_payload(struct 
platform_device *dsidev,
 /*     DSSDBG("\twriting %02x, %02x, %02x, %02x (%#010x)\n",
                        b1, b2, b3, b4, val); */
 
-       dsi_write_reg(dsidev, DSI_VC_LONG_PACKET_PAYLOAD(channel), val);
+       dsi_write_reg(dsi, DSI_VC_LONG_PACKET_PAYLOAD(channel), val);
 }
 
-static int dsi_vc_send_long(struct platform_device *dsidev, int channel,
-               u8 data_type, u8 *data, u16 len, u8 ecc)
+static int dsi_vc_send_long(struct dsi_data *dsi, int channel, u8 data_type,
+                           u8 *data, u16 len, u8 ecc)
 {
        /*u32 val; */
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int i;
        u8 *p;
        int r = 0;
@@ -2825,9 +2748,9 @@ static int dsi_vc_send_long(struct platform_device 
*dsidev, int channel,
                return -EINVAL;
        }
 
-       dsi_vc_config_source(dsidev, channel, DSI_VC_SOURCE_L4);
+       dsi_vc_config_source(dsi, channel, DSI_VC_SOURCE_L4);
 
-       dsi_vc_write_long_header(dsidev, channel, data_type, len, ecc);
+       dsi_vc_write_long_header(dsi, channel, data_type, len, ecc);
 
        p = data;
        for (i = 0; i < len >> 2; i++) {
@@ -2839,7 +2762,7 @@ static int dsi_vc_send_long(struct platform_device 
*dsidev, int channel,
                b3 = *p++;
                b4 = *p++;
 
-               dsi_vc_write_long_payload(dsidev, channel, b1, b2, b3, b4);
+               dsi_vc_write_long_payload(dsi, channel, b1, b2, b3, b4);
        }
 
        i = len % 4;
@@ -2864,29 +2787,28 @@ static int dsi_vc_send_long(struct platform_device 
*dsidev, int channel,
                        break;
                }
 
-               dsi_vc_write_long_payload(dsidev, channel, b1, b2, b3, 0);
+               dsi_vc_write_long_payload(dsi, channel, b1, b2, b3, 0);
        }
 
        return r;
 }
 
-static int dsi_vc_send_short(struct platform_device *dsidev, int channel,
-               u8 data_type, u16 data, u8 ecc)
+static int dsi_vc_send_short(struct dsi_data *dsi, int channel, u8 data_type,
+                            u16 data, u8 ecc)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        u32 r;
        u8 data_id;
 
-       WARN_ON(!dsi_bus_is_locked(dsidev));
+       WARN_ON(!dsi_bus_is_locked(dsi));
 
        if (dsi->debug_write)
                DSSDBG("dsi_vc_send_short(ch%d, dt %#x, b1 %#x, b2 %#x)\n",
                                channel,
                                data_type, data & 0xff, (data >> 8) & 0xff);
 
-       dsi_vc_config_source(dsidev, channel, DSI_VC_SOURCE_L4);
+       dsi_vc_config_source(dsi, channel, DSI_VC_SOURCE_L4);
 
-       if (FLD_GET(dsi_read_reg(dsidev, DSI_VC_CTRL(channel)), 16, 16)) {
+       if (FLD_GET(dsi_read_reg(dsi, DSI_VC_CTRL(channel)), 16, 16)) {
                DSSERR("ERROR FIFO FULL, aborting transfer\n");
                return -EINVAL;
        }
@@ -2895,41 +2817,39 @@ static int dsi_vc_send_short(struct platform_device 
*dsidev, int channel,
 
        r = (data_id << 0) | (data << 8) | (ecc << 24);
 
-       dsi_write_reg(dsidev, DSI_VC_SHORT_PACKET_HEADER(channel), r);
+       dsi_write_reg(dsi, DSI_VC_SHORT_PACKET_HEADER(channel), r);
 
        return 0;
 }
 
-static int dsi_vc_send_null(struct omap_dss_device *dssdev, int channel)
+static int dsi_vc_send_null(struct dsi_data *dsi, int channel)
 {
-       struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
-
-       return dsi_vc_send_long(dsidev, channel, MIPI_DSI_NULL_PACKET, NULL,
-               0, 0);
+       return dsi_vc_send_long(dsi, channel, MIPI_DSI_NULL_PACKET, NULL, 0, 0);
 }
 
-static int dsi_vc_write_nosync_common(struct platform_device *dsidev,
-               int channel, u8 *data, int len, enum dss_dsi_content_type type)
+static int dsi_vc_write_nosync_common(struct dsi_data *dsi, int channel,
+                                     u8 *data, int len,
+                                     enum dss_dsi_content_type type)
 {
        int r;
 
        if (len == 0) {
                BUG_ON(type == DSS_DSI_CONTENT_DCS);
-               r = dsi_vc_send_short(dsidev, channel,
+               r = dsi_vc_send_short(dsi, channel,
                                MIPI_DSI_GENERIC_SHORT_WRITE_0_PARAM, 0, 0);
        } else if (len == 1) {
-               r = dsi_vc_send_short(dsidev, channel,
+               r = dsi_vc_send_short(dsi, channel,
                                type == DSS_DSI_CONTENT_GENERIC ?
                                MIPI_DSI_GENERIC_SHORT_WRITE_1_PARAM :
                                MIPI_DSI_DCS_SHORT_WRITE, data[0], 0);
        } else if (len == 2) {
-               r = dsi_vc_send_short(dsidev, channel,
+               r = dsi_vc_send_short(dsi, channel,
                                type == DSS_DSI_CONTENT_GENERIC ?
                                MIPI_DSI_GENERIC_SHORT_WRITE_2_PARAM :
                                MIPI_DSI_DCS_SHORT_WRITE_PARAM,
                                data[0] | (data[1] << 8), 0);
        } else {
-               r = dsi_vc_send_long(dsidev, channel,
+               r = dsi_vc_send_long(dsi, channel,
                                type == DSS_DSI_CONTENT_GENERIC ?
                                MIPI_DSI_GENERIC_LONG_WRITE :
                                MIPI_DSI_DCS_LONG_WRITE, data, len, 0);
@@ -2942,8 +2862,9 @@ static int dsi_vc_dcs_write_nosync(struct omap_dss_device 
*dssdev, int channel,
                u8 *data, int len)
 {
        struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 
-       return dsi_vc_write_nosync_common(dsidev, channel, data, len,
+       return dsi_vc_write_nosync_common(dsi, channel, data, len,
                        DSS_DSI_CONTENT_DCS);
 }
 
@@ -2951,18 +2872,21 @@ static int dsi_vc_generic_write_nosync(struct 
omap_dss_device *dssdev, int chann
                u8 *data, int len)
 {
        struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 
-       return dsi_vc_write_nosync_common(dsidev, channel, data, len,
+       return dsi_vc_write_nosync_common(dsi, channel, data, len,
                        DSS_DSI_CONTENT_GENERIC);
 }
 
-static int dsi_vc_write_common(struct omap_dss_device *dssdev, int channel,
-               u8 *data, int len, enum dss_dsi_content_type type)
+static int dsi_vc_write_common(struct omap_dss_device *dssdev,
+                              int channel, u8 *data, int len,
+                              enum dss_dsi_content_type type)
 {
        struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int r;
 
-       r = dsi_vc_write_nosync_common(dsidev, channel, data, len, type);
+       r = dsi_vc_write_nosync_common(dsi, channel, data, len, type);
        if (r)
                goto err;
 
@@ -2971,9 +2895,9 @@ static int dsi_vc_write_common(struct omap_dss_device 
*dssdev, int channel,
                goto err;
 
        /* RX_FIFO_NOT_EMPTY */
-       if (REG_GET(dsidev, DSI_VC_CTRL(channel), 20, 20)) {
+       if (REG_GET(dsi, DSI_VC_CTRL(channel), 20, 20)) {
                DSSERR("rx fifo not empty after write, dumping data:\n");
-               dsi_vc_flush_receive_data(dsidev, channel);
+               dsi_vc_flush_receive_data(dsi, channel);
                r = -EIO;
                goto err;
        }
@@ -2999,17 +2923,16 @@ static int dsi_vc_generic_write(struct omap_dss_device 
*dssdev, int channel, u8
                        DSS_DSI_CONTENT_GENERIC);
 }
 
-static int dsi_vc_dcs_send_read_request(struct platform_device *dsidev,
-               int channel, u8 dcs_cmd)
+static int dsi_vc_dcs_send_read_request(struct dsi_data *dsi, int channel,
+                                       u8 dcs_cmd)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int r;
 
        if (dsi->debug_read)
                DSSDBG("dsi_vc_dcs_send_read_request(ch%d, dcs_cmd %x)\n",
                        channel, dcs_cmd);
 
-       r = dsi_vc_send_short(dsidev, channel, MIPI_DSI_DCS_READ, dcs_cmd, 0);
+       r = dsi_vc_send_short(dsi, channel, MIPI_DSI_DCS_READ, dcs_cmd, 0);
        if (r) {
                DSSERR("dsi_vc_dcs_send_read_request(ch %d, cmd 0x%02x)"
                        " failed\n", channel, dcs_cmd);
@@ -3019,10 +2942,9 @@ static int dsi_vc_dcs_send_read_request(struct 
platform_device *dsidev,
        return 0;
 }
 
-static int dsi_vc_generic_send_read_request(struct platform_device *dsidev,
-               int channel, u8 *reqdata, int reqlen)
+static int dsi_vc_generic_send_read_request(struct dsi_data *dsi, int channel,
+                                           u8 *reqdata, int reqlen)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        u16 data;
        u8 data_type;
        int r;
@@ -3045,7 +2967,7 @@ static int dsi_vc_generic_send_read_request(struct 
platform_device *dsidev,
                return -EINVAL;
        }
 
-       r = dsi_vc_send_short(dsidev, channel, data_type, data, 0);
+       r = dsi_vc_send_short(dsi, channel, data_type, data, 0);
        if (r) {
                DSSERR("dsi_vc_generic_send_read_request(ch %d, reqlen %d)"
                        " failed\n", channel, reqlen);
@@ -3055,22 +2977,21 @@ static int dsi_vc_generic_send_read_request(struct 
platform_device *dsidev,
        return 0;
 }
 
-static int dsi_vc_read_rx_fifo(struct platform_device *dsidev, int channel,
-               u8 *buf, int buflen, enum dss_dsi_content_type type)
+static int dsi_vc_read_rx_fifo(struct dsi_data *dsi, int channel, u8 *buf,
+                              int buflen, enum dss_dsi_content_type type)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        u32 val;
        u8 dt;
        int r;
 
        /* RX_FIFO_NOT_EMPTY */
-       if (REG_GET(dsidev, DSI_VC_CTRL(channel), 20, 20) == 0) {
+       if (REG_GET(dsi, DSI_VC_CTRL(channel), 20, 20) == 0) {
                DSSERR("RX fifo empty when trying to read.\n");
                r = -EIO;
                goto err;
        }
 
-       val = dsi_read_reg(dsidev, DSI_VC_SHORT_PACKET_HEADER(channel));
+       val = dsi_read_reg(dsi, DSI_VC_SHORT_PACKET_HEADER(channel));
        if (dsi->debug_read)
                DSSDBG("\theader: %08x\n", val);
        dt = FLD_GET(val, 5, 0);
@@ -3133,7 +3054,7 @@ static int dsi_vc_read_rx_fifo(struct platform_device 
*dsidev, int channel,
                /* two byte checksum ends the packet, not included in len */
                for (w = 0; w < len + 2;) {
                        int b;
-                       val = dsi_read_reg(dsidev,
+                       val = dsi_read_reg(dsi,
                                DSI_VC_SHORT_PACKET_HEADER(channel));
                        if (dsi->debug_read)
                                DSSDBG("\t\t%02x %02x %02x %02x\n",
@@ -3168,9 +3089,10 @@ static int dsi_vc_dcs_read(struct omap_dss_device 
*dssdev, int channel, u8 dcs_c
                u8 *buf, int buflen)
 {
        struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int r;
 
-       r = dsi_vc_dcs_send_read_request(dsidev, channel, dcs_cmd);
+       r = dsi_vc_dcs_send_read_request(dsi, channel, dcs_cmd);
        if (r)
                goto err;
 
@@ -3178,7 +3100,7 @@ static int dsi_vc_dcs_read(struct omap_dss_device 
*dssdev, int channel, u8 dcs_c
        if (r)
                goto err;
 
-       r = dsi_vc_read_rx_fifo(dsidev, channel, buf, buflen,
+       r = dsi_vc_read_rx_fifo(dsi, channel, buf, buflen,
                DSS_DSI_CONTENT_DCS);
        if (r < 0)
                goto err;
@@ -3198,9 +3120,10 @@ static int dsi_vc_generic_read(struct omap_dss_device 
*dssdev, int channel,
                u8 *reqdata, int reqlen, u8 *buf, int buflen)
 {
        struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int r;
 
-       r = dsi_vc_generic_send_read_request(dsidev, channel, reqdata, reqlen);
+       r = dsi_vc_generic_send_read_request(dsi, channel, reqdata, reqlen);
        if (r)
                return r;
 
@@ -3208,7 +3131,7 @@ static int dsi_vc_generic_read(struct omap_dss_device 
*dssdev, int channel,
        if (r)
                return r;
 
-       r = dsi_vc_read_rx_fifo(dsidev, channel, buf, buflen,
+       r = dsi_vc_read_rx_fifo(dsi, channel, buf, buflen,
                DSS_DSI_CONTENT_GENERIC);
        if (r < 0)
                return r;
@@ -3225,21 +3148,21 @@ static int dsi_vc_set_max_rx_packet_size(struct 
omap_dss_device *dssdev, int cha
                u16 len)
 {
        struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 
-       return dsi_vc_send_short(dsidev, channel,
+       return dsi_vc_send_short(dsi, channel,
                        MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE, len, 0);
 }
 
-static int dsi_enter_ulps(struct platform_device *dsidev)
+static int dsi_enter_ulps(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        DECLARE_COMPLETION_ONSTACK(completion);
        int r, i;
        unsigned int mask;
 
        DSSDBG("Entering ULPS");
 
-       WARN_ON(!dsi_bus_is_locked(dsidev));
+       WARN_ON(!dsi_bus_is_locked(dsi));
 
        WARN_ON(dsi->ulps_enabled);
 
@@ -3247,35 +3170,35 @@ static int dsi_enter_ulps(struct platform_device 
*dsidev)
                return 0;
 
        /* DDR_CLK_ALWAYS_ON */
-       if (REG_GET(dsidev, DSI_CLK_CTRL, 13, 13)) {
-               dsi_if_enable(dsidev, 0);
-               REG_FLD_MOD(dsidev, DSI_CLK_CTRL, 0, 13, 13);
-               dsi_if_enable(dsidev, 1);
+       if (REG_GET(dsi, DSI_CLK_CTRL, 13, 13)) {
+               dsi_if_enable(dsi, 0);
+               REG_FLD_MOD(dsi, DSI_CLK_CTRL, 0, 13, 13);
+               dsi_if_enable(dsi, 1);
        }
 
-       dsi_sync_vc(dsidev, 0);
-       dsi_sync_vc(dsidev, 1);
-       dsi_sync_vc(dsidev, 2);
-       dsi_sync_vc(dsidev, 3);
+       dsi_sync_vc(dsi, 0);
+       dsi_sync_vc(dsi, 1);
+       dsi_sync_vc(dsi, 2);
+       dsi_sync_vc(dsi, 3);
 
-       dsi_force_tx_stop_mode_io(dsidev);
+       dsi_force_tx_stop_mode_io(dsi);
 
-       dsi_vc_enable(dsidev, 0, false);
-       dsi_vc_enable(dsidev, 1, false);
-       dsi_vc_enable(dsidev, 2, false);
-       dsi_vc_enable(dsidev, 3, false);
+       dsi_vc_enable(dsi, 0, false);
+       dsi_vc_enable(dsi, 1, false);
+       dsi_vc_enable(dsi, 2, false);
+       dsi_vc_enable(dsi, 3, false);
 
-       if (REG_GET(dsidev, DSI_COMPLEXIO_CFG2, 16, 16)) {      /* HS_BUSY */
+       if (REG_GET(dsi, DSI_COMPLEXIO_CFG2, 16, 16)) { /* HS_BUSY */
                DSSERR("HS busy when enabling ULPS\n");
                return -EIO;
        }
 
-       if (REG_GET(dsidev, DSI_COMPLEXIO_CFG2, 17, 17)) {      /* LP_BUSY */
+       if (REG_GET(dsi, DSI_COMPLEXIO_CFG2, 17, 17)) { /* LP_BUSY */
                DSSERR("LP busy when enabling ULPS\n");
                return -EIO;
        }
 
-       r = dsi_register_isr_cio(dsidev, dsi_completion_handler, &completion,
+       r = dsi_register_isr_cio(dsi, dsi_completion_handler, &completion,
                        DSI_CIO_IRQ_ULPSACTIVENOT_ALL0);
        if (r)
                return r;
@@ -3289,10 +3212,10 @@ static int dsi_enter_ulps(struct platform_device 
*dsidev)
        }
        /* Assert TxRequestEsc for data lanes and TxUlpsClk for clk lane */
        /* LANEx_ULPS_SIG2 */
-       REG_FLD_MOD(dsidev, DSI_COMPLEXIO_CFG2, mask, 9, 5);
+       REG_FLD_MOD(dsi, DSI_COMPLEXIO_CFG2, mask, 9, 5);
 
        /* flush posted write and wait for SCP interface to finish the write */
-       dsi_read_reg(dsidev, DSI_COMPLEXIO_CFG2);
+       dsi_read_reg(dsi, DSI_COMPLEXIO_CFG2);
 
        if (wait_for_completion_timeout(&completion,
                                msecs_to_jiffies(1000)) == 0) {
@@ -3301,31 +3224,31 @@ static int dsi_enter_ulps(struct platform_device 
*dsidev)
                goto err;
        }
 
-       dsi_unregister_isr_cio(dsidev, dsi_completion_handler, &completion,
+       dsi_unregister_isr_cio(dsi, dsi_completion_handler, &completion,
                        DSI_CIO_IRQ_ULPSACTIVENOT_ALL0);
 
        /* Reset LANEx_ULPS_SIG2 */
-       REG_FLD_MOD(dsidev, DSI_COMPLEXIO_CFG2, 0, 9, 5);
+       REG_FLD_MOD(dsi, DSI_COMPLEXIO_CFG2, 0, 9, 5);
 
        /* flush posted write and wait for SCP interface to finish the write */
-       dsi_read_reg(dsidev, DSI_COMPLEXIO_CFG2);
+       dsi_read_reg(dsi, DSI_COMPLEXIO_CFG2);
 
-       dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_ULPS);
+       dsi_cio_power(dsi, DSI_COMPLEXIO_POWER_ULPS);
 
-       dsi_if_enable(dsidev, false);
+       dsi_if_enable(dsi, false);
 
        dsi->ulps_enabled = true;
 
        return 0;
 
 err:
-       dsi_unregister_isr_cio(dsidev, dsi_completion_handler, &completion,
+       dsi_unregister_isr_cio(dsi, dsi_completion_handler, &completion,
                        DSI_CIO_IRQ_ULPSACTIVENOT_ALL0);
        return r;
 }
 
-static void dsi_set_lp_rx_timeout(struct platform_device *dsidev,
-               unsigned int ticks, bool x4, bool x16)
+static void dsi_set_lp_rx_timeout(struct dsi_data *dsi, unsigned int ticks,
+                                 bool x4, bool x16)
 {
        unsigned long fck;
        unsigned long total_ticks;
@@ -3334,14 +3257,14 @@ static void dsi_set_lp_rx_timeout(struct 
platform_device *dsidev,
        BUG_ON(ticks > 0x1fff);
 
        /* ticks in DSI_FCK */
-       fck = dsi_fclk_rate(dsidev);
+       fck = dsi_fclk_rate(dsi);
 
-       r = dsi_read_reg(dsidev, DSI_TIMING2);
+       r = dsi_read_reg(dsi, DSI_TIMING2);
        r = FLD_MOD(r, 1, 15, 15);      /* LP_RX_TO */
        r = FLD_MOD(r, x16 ? 1 : 0, 14, 14);    /* LP_RX_TO_X16 */
        r = FLD_MOD(r, x4 ? 1 : 0, 13, 13);     /* LP_RX_TO_X4 */
        r = FLD_MOD(r, ticks, 12, 0);   /* LP_RX_COUNTER */
-       dsi_write_reg(dsidev, DSI_TIMING2, r);
+       dsi_write_reg(dsi, DSI_TIMING2, r);
 
        total_ticks = ticks * (x16 ? 16 : 1) * (x4 ? 4 : 1);
 
@@ -3351,8 +3274,8 @@ static void dsi_set_lp_rx_timeout(struct platform_device 
*dsidev,
                        (total_ticks * 1000) / (fck / 1000 / 1000));
 }
 
-static void dsi_set_ta_timeout(struct platform_device *dsidev,
-                              unsigned int ticks, bool x8, bool x16)
+static void dsi_set_ta_timeout(struct dsi_data *dsi, unsigned int ticks,
+                              bool x8, bool x16)
 {
        unsigned long fck;
        unsigned long total_ticks;
@@ -3361,14 +3284,14 @@ static void dsi_set_ta_timeout(struct platform_device 
*dsidev,
        BUG_ON(ticks > 0x1fff);
 
        /* ticks in DSI_FCK */
-       fck = dsi_fclk_rate(dsidev);
+       fck = dsi_fclk_rate(dsi);
 
-       r = dsi_read_reg(dsidev, DSI_TIMING1);
+       r = dsi_read_reg(dsi, DSI_TIMING1);
        r = FLD_MOD(r, 1, 31, 31);      /* TA_TO */
        r = FLD_MOD(r, x16 ? 1 : 0, 30, 30);    /* TA_TO_X16 */
        r = FLD_MOD(r, x8 ? 1 : 0, 29, 29);     /* TA_TO_X8 */
        r = FLD_MOD(r, ticks, 28, 16);  /* TA_TO_COUNTER */
-       dsi_write_reg(dsidev, DSI_TIMING1, r);
+       dsi_write_reg(dsi, DSI_TIMING1, r);
 
        total_ticks = ticks * (x16 ? 16 : 1) * (x8 ? 8 : 1);
 
@@ -3378,8 +3301,8 @@ static void dsi_set_ta_timeout(struct platform_device 
*dsidev,
                        (total_ticks * 1000) / (fck / 1000 / 1000));
 }
 
-static void dsi_set_stop_state_counter(struct platform_device *dsidev,
-                                      unsigned int ticks, bool x4, bool x16)
+static void dsi_set_stop_state_counter(struct dsi_data *dsi, unsigned int 
ticks,
+                                      bool x4, bool x16)
 {
        unsigned long fck;
        unsigned long total_ticks;
@@ -3388,14 +3311,14 @@ static void dsi_set_stop_state_counter(struct 
platform_device *dsidev,
        BUG_ON(ticks > 0x1fff);
 
        /* ticks in DSI_FCK */
-       fck = dsi_fclk_rate(dsidev);
+       fck = dsi_fclk_rate(dsi);
 
-       r = dsi_read_reg(dsidev, DSI_TIMING1);
+       r = dsi_read_reg(dsi, DSI_TIMING1);
        r = FLD_MOD(r, 1, 15, 15);      /* FORCE_TX_STOP_MODE_IO */
        r = FLD_MOD(r, x16 ? 1 : 0, 14, 14);    /* STOP_STATE_X16_IO */
        r = FLD_MOD(r, x4 ? 1 : 0, 13, 13);     /* STOP_STATE_X4_IO */
        r = FLD_MOD(r, ticks, 12, 0);   /* STOP_STATE_COUNTER_IO */
-       dsi_write_reg(dsidev, DSI_TIMING1, r);
+       dsi_write_reg(dsi, DSI_TIMING1, r);
 
        total_ticks = ticks * (x16 ? 16 : 1) * (x4 ? 4 : 1);
 
@@ -3405,8 +3328,8 @@ static void dsi_set_stop_state_counter(struct 
platform_device *dsidev,
                        (total_ticks * 1000) / (fck / 1000 / 1000));
 }
 
-static void dsi_set_hs_tx_timeout(struct platform_device *dsidev,
-                                 unsigned int ticks, bool x4, bool x16)
+static void dsi_set_hs_tx_timeout(struct dsi_data *dsi, unsigned int ticks,
+                                 bool x4, bool x16)
 {
        unsigned long fck;
        unsigned long total_ticks;
@@ -3415,14 +3338,14 @@ static void dsi_set_hs_tx_timeout(struct 
platform_device *dsidev,
        BUG_ON(ticks > 0x1fff);
 
        /* ticks in TxByteClkHS */
-       fck = dsi_get_txbyteclkhs(dsidev);
+       fck = dsi_get_txbyteclkhs(dsi);
 
-       r = dsi_read_reg(dsidev, DSI_TIMING2);
+       r = dsi_read_reg(dsi, DSI_TIMING2);
        r = FLD_MOD(r, 1, 31, 31);      /* HS_TX_TO */
        r = FLD_MOD(r, x16 ? 1 : 0, 30, 30);    /* HS_TX_TO_X16 */
        r = FLD_MOD(r, x4 ? 1 : 0, 29, 29);     /* HS_TX_TO_X8 (4 really) */
        r = FLD_MOD(r, ticks, 28, 16);  /* HS_TX_TO_COUNTER */
-       dsi_write_reg(dsidev, DSI_TIMING2, r);
+       dsi_write_reg(dsi, DSI_TIMING2, r);
 
        total_ticks = ticks * (x16 ? 16 : 1) * (x4 ? 4 : 1);
 
@@ -3432,9 +3355,8 @@ static void dsi_set_hs_tx_timeout(struct platform_device 
*dsidev,
                        (total_ticks * 1000) / (fck / 1000 / 1000));
 }
 
-static void dsi_config_vp_num_line_buffers(struct platform_device *dsidev)
+static void dsi_config_vp_num_line_buffers(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int num_line_buffers;
 
        if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
@@ -3454,12 +3376,11 @@ static void dsi_config_vp_num_line_buffers(struct 
platform_device *dsidev)
        }
 
        /* LINE_BUFFER */
-       REG_FLD_MOD(dsidev, DSI_CTRL, num_line_buffers, 13, 12);
+       REG_FLD_MOD(dsi, DSI_CTRL, num_line_buffers, 13, 12);
 }
 
-static void dsi_config_vp_sync_events(struct platform_device *dsidev)
+static void dsi_config_vp_sync_events(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        bool sync_end;
        u32 r;
 
@@ -3468,7 +3389,7 @@ static void dsi_config_vp_sync_events(struct 
platform_device *dsidev)
        else
                sync_end = false;
 
-       r = dsi_read_reg(dsidev, DSI_CTRL);
+       r = dsi_read_reg(dsi, DSI_CTRL);
        r = FLD_MOD(r, 1, 9, 9);                /* VP_DE_POL */
        r = FLD_MOD(r, 1, 10, 10);              /* VP_HSYNC_POL */
        r = FLD_MOD(r, 1, 11, 11);              /* VP_VSYNC_POL */
@@ -3476,12 +3397,11 @@ static void dsi_config_vp_sync_events(struct 
platform_device *dsidev)
        r = FLD_MOD(r, sync_end, 16, 16);       /* VP_VSYNC_END */
        r = FLD_MOD(r, 1, 17, 17);              /* VP_HSYNC_START */
        r = FLD_MOD(r, sync_end, 18, 18);       /* VP_HSYNC_END */
-       dsi_write_reg(dsidev, DSI_CTRL, r);
+       dsi_write_reg(dsi, DSI_CTRL, r);
 }
 
-static void dsi_config_blanking_modes(struct platform_device *dsidev)
+static void dsi_config_blanking_modes(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int blanking_mode = dsi->vm_timings.blanking_mode;
        int hfp_blanking_mode = dsi->vm_timings.hfp_blanking_mode;
        int hbp_blanking_mode = dsi->vm_timings.hbp_blanking_mode;
@@ -3492,12 +3412,12 @@ static void dsi_config_blanking_modes(struct 
platform_device *dsidev)
         * 0 = TX FIFO packets sent or LPS in corresponding blanking periods
         * 1 = Long blanking packets are sent in corresponding blanking periods
         */
-       r = dsi_read_reg(dsidev, DSI_CTRL);
+       r = dsi_read_reg(dsi, DSI_CTRL);
        r = FLD_MOD(r, blanking_mode, 20, 20);          /* BLANKING_MODE */
        r = FLD_MOD(r, hfp_blanking_mode, 21, 21);      /* HFP_BLANKING */
        r = FLD_MOD(r, hbp_blanking_mode, 22, 22);      /* HBP_BLANKING */
        r = FLD_MOD(r, hsa_blanking_mode, 23, 23);      /* HSA_BLANKING */
-       dsi_write_reg(dsidev, DSI_CTRL, r);
+       dsi_write_reg(dsi, DSI_CTRL, r);
 }
 
 /*
@@ -3562,9 +3482,8 @@ static int dsi_compute_interleave_lp(int blank, int 
enter_hs, int exit_hs,
        return max(lp_inter, 0);
 }
 
-static void dsi_config_cmd_mode_interleaving(struct platform_device *dsidev)
+static void dsi_config_cmd_mode_interleaving(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int blanking_mode;
        int hfp_blanking_mode, hbp_blanking_mode, hsa_blanking_mode;
        int hsa, hfp, hbp, width_bytes, bllp, lp_clk_div;
@@ -3581,33 +3500,33 @@ static void dsi_config_cmd_mode_interleaving(struct 
platform_device *dsidev)
        int bl_interleave_hs = 0, bl_interleave_lp = 0;
        u32 r;
 
-       r = dsi_read_reg(dsidev, DSI_CTRL);
+       r = dsi_read_reg(dsi, DSI_CTRL);
        blanking_mode = FLD_GET(r, 20, 20);
        hfp_blanking_mode = FLD_GET(r, 21, 21);
        hbp_blanking_mode = FLD_GET(r, 22, 22);
        hsa_blanking_mode = FLD_GET(r, 23, 23);
 
-       r = dsi_read_reg(dsidev, DSI_VM_TIMING1);
+       r = dsi_read_reg(dsi, DSI_VM_TIMING1);
        hbp = FLD_GET(r, 11, 0);
        hfp = FLD_GET(r, 23, 12);
        hsa = FLD_GET(r, 31, 24);
 
-       r = dsi_read_reg(dsidev, DSI_CLK_TIMING);
+       r = dsi_read_reg(dsi, DSI_CLK_TIMING);
        ddr_clk_post = FLD_GET(r, 7, 0);
        ddr_clk_pre = FLD_GET(r, 15, 8);
 
-       r = dsi_read_reg(dsidev, DSI_VM_TIMING7);
+       r = dsi_read_reg(dsi, DSI_VM_TIMING7);
        exit_hs_mode_lat = FLD_GET(r, 15, 0);
        enter_hs_mode_lat = FLD_GET(r, 31, 16);
 
-       r = dsi_read_reg(dsidev, DSI_CLK_CTRL);
+       r = dsi_read_reg(dsi, DSI_CLK_CTRL);
        lp_clk_div = FLD_GET(r, 12, 0);
        ddr_alwon = FLD_GET(r, 13, 13);
 
-       r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG0);
+       r = dsi_read_reg(dsi, DSI_DSIPHY_CFG0);
        ths_exit = FLD_GET(r, 7, 0);
 
-       r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG1);
+       r = dsi_read_reg(dsi, DSI_DSIPHY_CFG1);
        tclk_trail = FLD_GET(r, 15, 8);
 
        exiths_clk = ths_exit + tclk_trail;
@@ -3661,45 +3580,44 @@ static void dsi_config_cmd_mode_interleaving(struct 
platform_device *dsidev)
                hsa_interleave_lp, hfp_interleave_lp, hbp_interleave_lp,
                bl_interleave_lp);
 
-       r = dsi_read_reg(dsidev, DSI_VM_TIMING4);
+       r = dsi_read_reg(dsi, DSI_VM_TIMING4);
        r = FLD_MOD(r, hsa_interleave_hs, 23, 16);
        r = FLD_MOD(r, hfp_interleave_hs, 15, 8);
        r = FLD_MOD(r, hbp_interleave_hs, 7, 0);
-       dsi_write_reg(dsidev, DSI_VM_TIMING4, r);
+       dsi_write_reg(dsi, DSI_VM_TIMING4, r);
 
-       r = dsi_read_reg(dsidev, DSI_VM_TIMING5);
+       r = dsi_read_reg(dsi, DSI_VM_TIMING5);
        r = FLD_MOD(r, hsa_interleave_lp, 23, 16);
        r = FLD_MOD(r, hfp_interleave_lp, 15, 8);
        r = FLD_MOD(r, hbp_interleave_lp, 7, 0);
-       dsi_write_reg(dsidev, DSI_VM_TIMING5, r);
+       dsi_write_reg(dsi, DSI_VM_TIMING5, r);
 
-       r = dsi_read_reg(dsidev, DSI_VM_TIMING6);
+       r = dsi_read_reg(dsi, DSI_VM_TIMING6);
        r = FLD_MOD(r, bl_interleave_hs, 31, 15);
        r = FLD_MOD(r, bl_interleave_lp, 16, 0);
-       dsi_write_reg(dsidev, DSI_VM_TIMING6, r);
+       dsi_write_reg(dsi, DSI_VM_TIMING6, r);
 }
 
-static int dsi_proto_config(struct platform_device *dsidev)
+static int dsi_proto_config(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        u32 r;
        int buswidth = 0;
 
-       dsi_config_tx_fifo(dsidev, DSI_FIFO_SIZE_32,
+       dsi_config_tx_fifo(dsi, DSI_FIFO_SIZE_32,
                        DSI_FIFO_SIZE_32,
                        DSI_FIFO_SIZE_32,
                        DSI_FIFO_SIZE_32);
 
-       dsi_config_rx_fifo(dsidev, DSI_FIFO_SIZE_32,
+       dsi_config_rx_fifo(dsi, DSI_FIFO_SIZE_32,
                        DSI_FIFO_SIZE_32,
                        DSI_FIFO_SIZE_32,
                        DSI_FIFO_SIZE_32);
 
        /* XXX what values for the timeouts? */
-       dsi_set_stop_state_counter(dsidev, 0x1000, false, false);
-       dsi_set_ta_timeout(dsidev, 0x1fff, true, true);
-       dsi_set_lp_rx_timeout(dsidev, 0x1fff, true, true);
-       dsi_set_hs_tx_timeout(dsidev, 0x1fff, true, true);
+       dsi_set_stop_state_counter(dsi, 0x1000, false, false);
+       dsi_set_ta_timeout(dsi, 0x1fff, true, true);
+       dsi_set_lp_rx_timeout(dsi, 0x1fff, true, true);
+       dsi_set_hs_tx_timeout(dsi, 0x1fff, true, true);
 
        switch (dsi_get_pixel_size(dsi->pix_fmt)) {
        case 16:
@@ -3716,7 +3634,7 @@ static int dsi_proto_config(struct platform_device 
*dsidev)
                return -EINVAL;
        }
 
-       r = dsi_read_reg(dsidev, DSI_CTRL);
+       r = dsi_read_reg(dsi, DSI_CTRL);
        r = FLD_MOD(r, 1, 1, 1);        /* CS_RX_EN */
        r = FLD_MOD(r, 1, 2, 2);        /* ECC_RX_EN */
        r = FLD_MOD(r, 1, 3, 3);        /* TX_FIFO_ARBITRATION */
@@ -3731,27 +3649,26 @@ static int dsi_proto_config(struct platform_device 
*dsidev)
                r = FLD_MOD(r, 0, 25, 25);
        }
 
-       dsi_write_reg(dsidev, DSI_CTRL, r);
+       dsi_write_reg(dsi, DSI_CTRL, r);
 
-       dsi_config_vp_num_line_buffers(dsidev);
+       dsi_config_vp_num_line_buffers(dsi);
 
        if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
-               dsi_config_vp_sync_events(dsidev);
-               dsi_config_blanking_modes(dsidev);
-               dsi_config_cmd_mode_interleaving(dsidev);
+               dsi_config_vp_sync_events(dsi);
+               dsi_config_blanking_modes(dsi);
+               dsi_config_cmd_mode_interleaving(dsi);
        }
 
-       dsi_vc_initial_config(dsidev, 0);
-       dsi_vc_initial_config(dsidev, 1);
-       dsi_vc_initial_config(dsidev, 2);
-       dsi_vc_initial_config(dsidev, 3);
+       dsi_vc_initial_config(dsi, 0);
+       dsi_vc_initial_config(dsi, 1);
+       dsi_vc_initial_config(dsi, 2);
+       dsi_vc_initial_config(dsi, 3);
 
        return 0;
 }
 
-static void dsi_proto_timings(struct platform_device *dsidev)
+static void dsi_proto_timings(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        unsigned int tlpx, tclk_zero, tclk_prepare, tclk_trail;
        unsigned int tclk_pre, tclk_post;
        unsigned int ths_prepare, ths_prepare_ths_zero, ths_zero;
@@ -3762,25 +3679,25 @@ static void dsi_proto_timings(struct platform_device 
*dsidev)
        int ndl = dsi->num_lanes_used - 1;
        u32 r;
 
-       r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG0);
+       r = dsi_read_reg(dsi, DSI_DSIPHY_CFG0);
        ths_prepare = FLD_GET(r, 31, 24);
        ths_prepare_ths_zero = FLD_GET(r, 23, 16);
        ths_zero = ths_prepare_ths_zero - ths_prepare;
        ths_trail = FLD_GET(r, 15, 8);
        ths_exit = FLD_GET(r, 7, 0);
 
-       r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG1);
+       r = dsi_read_reg(dsi, DSI_DSIPHY_CFG1);
        tlpx = FLD_GET(r, 20, 16) * 2;
        tclk_trail = FLD_GET(r, 15, 8);
        tclk_zero = FLD_GET(r, 7, 0);
 
-       r = dsi_read_reg(dsidev, DSI_DSIPHY_CFG2);
+       r = dsi_read_reg(dsi, DSI_DSIPHY_CFG2);
        tclk_prepare = FLD_GET(r, 7, 0);
 
        /* min 8*UI */
        tclk_pre = 20;
        /* min 60ns + 52*UI */
-       tclk_post = ns2ddr(dsidev, 60) + 26;
+       tclk_post = ns2ddr(dsi, 60) + 26;
 
        ths_eot = DIV_ROUND_UP(4, ndl);
 
@@ -3791,10 +3708,10 @@ static void dsi_proto_timings(struct platform_device 
*dsidev)
        BUG_ON(ddr_clk_pre == 0 || ddr_clk_pre > 255);
        BUG_ON(ddr_clk_post == 0 || ddr_clk_post > 255);
 
-       r = dsi_read_reg(dsidev, DSI_CLK_TIMING);
+       r = dsi_read_reg(dsi, DSI_CLK_TIMING);
        r = FLD_MOD(r, ddr_clk_pre, 15, 8);
        r = FLD_MOD(r, ddr_clk_post, 7, 0);
-       dsi_write_reg(dsidev, DSI_CLK_TIMING, r);
+       dsi_write_reg(dsi, DSI_CLK_TIMING, r);
 
        DSSDBG("ddr_clk_pre %u, ddr_clk_post %u\n",
                        ddr_clk_pre,
@@ -3808,7 +3725,7 @@ static void dsi_proto_timings(struct platform_device 
*dsidev)
 
        r = FLD_VAL(enter_hs_mode_lat, 31, 16) |
                FLD_VAL(exit_hs_mode_lat, 15, 0);
-       dsi_write_reg(dsidev, DSI_VM_TIMING7, r);
+       dsi_write_reg(dsi, DSI_VM_TIMING7, r);
 
        DSSDBG("enter_hs_mode_lat %u, exit_hs_mode_lat %u\n",
                        enter_hs_mode_lat, exit_hs_mode_lat);
@@ -3842,23 +3759,23 @@ static void dsi_proto_timings(struct platform_device 
*dsidev)
                DSSDBG("VBP: %d, VFP: %d, VSA: %d, VACT: %d lines\n", vbp, vfp,
                        vsa, vm->vactive);
 
-               r = dsi_read_reg(dsidev, DSI_VM_TIMING1);
+               r = dsi_read_reg(dsi, DSI_VM_TIMING1);
                r = FLD_MOD(r, hbp, 11, 0);     /* HBP */
                r = FLD_MOD(r, hfp, 23, 12);    /* HFP */
                r = FLD_MOD(r, hsync_end ? hsa : 0, 31, 24);    /* HSA */
-               dsi_write_reg(dsidev, DSI_VM_TIMING1, r);
+               dsi_write_reg(dsi, DSI_VM_TIMING1, r);
 
-               r = dsi_read_reg(dsidev, DSI_VM_TIMING2);
+               r = dsi_read_reg(dsi, DSI_VM_TIMING2);
                r = FLD_MOD(r, vbp, 7, 0);      /* VBP */
                r = FLD_MOD(r, vfp, 15, 8);     /* VFP */
                r = FLD_MOD(r, vsa, 23, 16);    /* VSA */
                r = FLD_MOD(r, window_sync, 27, 24);    /* WINDOW_SYNC */
-               dsi_write_reg(dsidev, DSI_VM_TIMING2, r);
+               dsi_write_reg(dsi, DSI_VM_TIMING2, r);
 
-               r = dsi_read_reg(dsidev, DSI_VM_TIMING3);
+               r = dsi_read_reg(dsi, DSI_VM_TIMING3);
                r = FLD_MOD(r, vm->vactive, 14, 0);     /* VACT */
                r = FLD_MOD(r, tl, 31, 16);             /* TL */
-               dsi_write_reg(dsidev, DSI_VM_TIMING3, r);
+               dsi_write_reg(dsi, DSI_VM_TIMING3, r);
        }
 }
 
@@ -3945,7 +3862,7 @@ static int dsi_enable_video_output(struct omap_dss_device 
*dssdev, int channel)
                return -ENODEV;
        }
 
-       r = dsi_display_init_dispc(dsidev, dispc_channel);
+       r = dsi_display_init_dispc(dsi, dispc_channel);
        if (r)
                goto err_init_dispc;
 
@@ -3968,19 +3885,19 @@ static int dsi_enable_video_output(struct 
omap_dss_device *dssdev, int channel)
                        goto err_pix_fmt;
                }
 
-               dsi_if_enable(dsidev, false);
-               dsi_vc_enable(dsidev, channel, false);
+               dsi_if_enable(dsi, false);
+               dsi_vc_enable(dsi, channel, false);
 
                /* MODE, 1 = video mode */
-               REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), 1, 4, 4);
+               REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), 1, 4, 4);
 
                word_count = DIV_ROUND_UP(dsi->vm.hactive * bpp, 8);
 
-               dsi_vc_write_long_header(dsidev, channel, data_type,
+               dsi_vc_write_long_header(dsi, channel, data_type,
                                word_count, 0);
 
-               dsi_vc_enable(dsidev, channel, true);
-               dsi_if_enable(dsidev, true);
+               dsi_vc_enable(dsi, channel, true);
+               dsi_if_enable(dsi, true);
        }
 
        r = dss_mgr_enable(dispc_channel);
@@ -3991,11 +3908,11 @@ static int dsi_enable_video_output(struct 
omap_dss_device *dssdev, int channel)
 
 err_mgr_enable:
        if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
-               dsi_if_enable(dsidev, false);
-               dsi_vc_enable(dsidev, channel, false);
+               dsi_if_enable(dsi, false);
+               dsi_vc_enable(dsi, channel, false);
        }
 err_pix_fmt:
-       dsi_display_uninit_dispc(dsidev, dispc_channel);
+       dsi_display_uninit_dispc(dsi, dispc_channel);
 err_init_dispc:
        return r;
 }
@@ -4007,24 +3924,23 @@ static void dsi_disable_video_output(struct 
omap_dss_device *dssdev, int channel
        enum omap_channel dispc_channel = dssdev->dispc_channel;
 
        if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) {
-               dsi_if_enable(dsidev, false);
-               dsi_vc_enable(dsidev, channel, false);
+               dsi_if_enable(dsi, false);
+               dsi_vc_enable(dsi, channel, false);
 
                /* MODE, 0 = command mode */
-               REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), 0, 4, 4);
+               REG_FLD_MOD(dsi, DSI_VC_CTRL(channel), 0, 4, 4);
 
-               dsi_vc_enable(dsidev, channel, true);
-               dsi_if_enable(dsidev, true);
+               dsi_vc_enable(dsi, channel, true);
+               dsi_if_enable(dsi, true);
        }
 
        dss_mgr_disable(dispc_channel);
 
-       dsi_display_uninit_dispc(dsidev, dispc_channel);
+       dsi_display_uninit_dispc(dsi, dispc_channel);
 }
 
-static void dsi_update_screen_dispc(struct platform_device *dsidev)
+static void dsi_update_screen_dispc(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        enum omap_channel dispc_channel = dsi->output.dispc_channel;
        unsigned int bytespp;
        unsigned int bytespl;
@@ -4041,7 +3957,7 @@ static void dsi_update_screen_dispc(struct 
platform_device *dsidev)
 
        DSSDBG("dsi_update_screen_dispc(%dx%d)\n", w, h);
 
-       dsi_vc_config_source(dsidev, channel, DSI_VC_SOURCE_VP);
+       dsi_vc_config_source(dsi, channel, DSI_VC_SOURCE_VP);
 
        bytespp = dsi_get_pixel_size(dsi->pix_fmt) / 8;
        bytespl = w * bytespp;
@@ -4062,16 +3978,16 @@ static void dsi_update_screen_dispc(struct 
platform_device *dsidev)
                total_len += (bytespf % packet_payload) + 1;
 
        l = FLD_VAL(total_len, 23, 0); /* TE_SIZE */
-       dsi_write_reg(dsidev, DSI_VC_TE(channel), l);
+       dsi_write_reg(dsi, DSI_VC_TE(channel), l);
 
-       dsi_vc_write_long_header(dsidev, channel, MIPI_DSI_DCS_LONG_WRITE,
+       dsi_vc_write_long_header(dsi, channel, MIPI_DSI_DCS_LONG_WRITE,
                packet_len, 0);
 
        if (dsi->te_enabled)
                l = FLD_MOD(l, 1, 30, 30); /* TE_EN */
        else
                l = FLD_MOD(l, 1, 31, 31); /* TE_START */
-       dsi_write_reg(dsidev, DSI_VC_TE(channel), l);
+       dsi_write_reg(dsi, DSI_VC_TE(channel), l);
 
        /* We put SIDLEMODE to no-idle for the duration of the transfer,
         * because DSS interrupts are not capable of waking up the CPU and the
@@ -4081,7 +3997,7 @@ static void dsi_update_screen_dispc(struct 
platform_device *dsidev)
         */
        dispc_disable_sidle();
 
-       dsi_perf_mark_start(dsidev);
+       dsi_perf_mark_start(dsi);
 
        r = schedule_delayed_work(&dsi->framedone_timeout_work,
                msecs_to_jiffies(250));
@@ -4094,9 +4010,9 @@ static void dsi_update_screen_dispc(struct 
platform_device *dsidev)
        if (dsi->te_enabled) {
                /* disable LP_RX_TO, so that we can receive TE.  Time to wait
                 * for TE is longer than the timer allows */
-               REG_FLD_MOD(dsidev, DSI_TIMING2, 0, 15, 15); /* LP_RX_TO */
+               REG_FLD_MOD(dsi, DSI_TIMING2, 0, 15, 15); /* LP_RX_TO */
 
-               dsi_vc_send_bta(dsidev, channel);
+               dsi_vc_send_bta(dsi, channel);
 
 #ifdef DSI_CATCH_MISSING_TE
                mod_timer(&dsi->te_timer, jiffies + msecs_to_jiffies(250));
@@ -4111,22 +4027,20 @@ static void dsi_te_timeout(struct timer_list *unused)
 }
 #endif
 
-static void dsi_handle_framedone(struct platform_device *dsidev, int error)
+static void dsi_handle_framedone(struct dsi_data *dsi, int error)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
        /* SIDLEMODE back to smart-idle */
        dispc_enable_sidle();
 
        if (dsi->te_enabled) {
                /* enable LP_RX_TO again after the TE */
-               REG_FLD_MOD(dsidev, DSI_TIMING2, 1, 15, 15); /* LP_RX_TO */
+               REG_FLD_MOD(dsi, DSI_TIMING2, 1, 15, 15); /* LP_RX_TO */
        }
 
        dsi->framedone_callback(error, dsi->framedone_data);
 
        if (!error)
-               dsi_perf_show(dsidev, "DISPC");
+               dsi_perf_show(dsi, "DISPC");
 }
 
 static void dsi_framedone_timeout_work_callback(struct work_struct *work)
@@ -4142,13 +4056,12 @@ static void dsi_framedone_timeout_work_callback(struct 
work_struct *work)
 
        DSSERR("Framedone not received for 250ms!\n");
 
-       dsi_handle_framedone(dsi->pdev, -ETIMEDOUT);
+       dsi_handle_framedone(dsi, -ETIMEDOUT);
 }
 
 static void dsi_framedone_irq_callback(void *data)
 {
-       struct platform_device *dsidev = (struct platform_device *) data;
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
+       struct dsi_data *dsi = data;
 
        /* Note: We get FRAMEDONE when DISPC has finished sending pixels and
         * turns itself off. However, DSI still has the pixels in its buffers,
@@ -4157,7 +4070,7 @@ static void dsi_framedone_irq_callback(void *data)
 
        cancel_delayed_work(&dsi->framedone_timeout_work);
 
-       dsi_handle_framedone(dsidev, 0);
+       dsi_handle_framedone(dsi, 0);
 }
 
 static int dsi_update(struct omap_dss_device *dssdev, int channel,
@@ -4167,7 +4080,7 @@ static int dsi_update(struct omap_dss_device *dssdev, int 
channel,
        struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        u16 dw, dh;
 
-       dsi_perf_mark_setup(dsidev);
+       dsi_perf_mark_setup(dsi);
 
        dsi->update_channel = channel;
 
@@ -4181,21 +4094,20 @@ static int dsi_update(struct omap_dss_device *dssdev, 
int channel,
        dsi->update_bytes = dw * dh *
                dsi_get_pixel_size(dsi->pix_fmt) / 8;
 #endif
-       dsi_update_screen_dispc(dsidev);
+       dsi_update_screen_dispc(dsi);
 
        return 0;
 }
 
 /* Display funcs */
 
-static int dsi_configure_dispc_clocks(struct platform_device *dsidev)
+static int dsi_configure_dispc_clocks(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        struct dispc_clock_info dispc_cinfo;
        int r;
        unsigned long fck;
 
-       fck = dsi_get_pll_hsdiv_dispc_rate(dsidev);
+       fck = dsi_get_pll_hsdiv_dispc_rate(dsi);
 
        dispc_cinfo.lck_div = dsi->user_dispc_cinfo.lck_div;
        dispc_cinfo.pck_div = dsi->user_dispc_cinfo.pck_div;
@@ -4211,10 +4123,9 @@ static int dsi_configure_dispc_clocks(struct 
platform_device *dsidev)
        return 0;
 }
 
-static int dsi_display_init_dispc(struct platform_device *dsidev,
-               enum omap_channel channel)
+static int dsi_display_init_dispc(struct dsi_data *dsi,
+                                 enum omap_channel channel)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int r;
 
        dss_select_lcd_clk_source(dsi->dss, channel, dsi->module_id == 0 ?
@@ -4223,7 +4134,7 @@ static int dsi_display_init_dispc(struct platform_device 
*dsidev,
 
        if (dsi->mode == OMAP_DSS_DSI_CMD_MODE) {
                r = dss_mgr_register_framedone_handler(channel,
-                               dsi_framedone_irq_callback, dsidev);
+                               dsi_framedone_irq_callback, dsi);
                if (r) {
                        DSSERR("can't register FRAMEDONE handler\n");
                        goto err;
@@ -4254,7 +4165,7 @@ static int dsi_display_init_dispc(struct platform_device 
*dsidev,
 
        dss_mgr_set_timings(channel, &dsi->vm);
 
-       r = dsi_configure_dispc_clocks(dsidev);
+       r = dsi_configure_dispc_clocks(dsi);
        if (r)
                goto err1;
 
@@ -4269,27 +4180,24 @@ static int dsi_display_init_dispc(struct 
platform_device *dsidev,
 err1:
        if (dsi->mode == OMAP_DSS_DSI_CMD_MODE)
                dss_mgr_unregister_framedone_handler(channel,
-                               dsi_framedone_irq_callback, dsidev);
+                               dsi_framedone_irq_callback, dsi);
 err:
        dss_select_lcd_clk_source(dsi->dss, channel, DSS_CLK_SRC_FCK);
        return r;
 }
 
-static void dsi_display_uninit_dispc(struct platform_device *dsidev,
-               enum omap_channel channel)
+static void dsi_display_uninit_dispc(struct dsi_data *dsi,
+                                    enum omap_channel channel)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
        if (dsi->mode == OMAP_DSS_DSI_CMD_MODE)
                dss_mgr_unregister_framedone_handler(channel,
-                               dsi_framedone_irq_callback, dsidev);
+                               dsi_framedone_irq_callback, dsi);
 
        dss_select_lcd_clk_source(dsi->dss, channel, DSS_CLK_SRC_FCK);
 }
 
-static int dsi_configure_dsi_clocks(struct platform_device *dsidev)
+static int dsi_configure_dsi_clocks(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        struct dss_pll_clock_info cinfo;
        int r;
 
@@ -4304,16 +4212,15 @@ static int dsi_configure_dsi_clocks(struct 
platform_device *dsidev)
        return 0;
 }
 
-static int dsi_display_init_dsi(struct platform_device *dsidev)
+static int dsi_display_init_dsi(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        int r;
 
        r = dss_pll_enable(&dsi->pll);
        if (r)
                goto err0;
 
-       r = dsi_configure_dsi_clocks(dsidev);
+       r = dsi_configure_dsi_clocks(dsi);
        if (r)
                goto err1;
 
@@ -4323,33 +4230,33 @@ static int dsi_display_init_dsi(struct platform_device 
*dsidev)
 
        DSSDBG("PLL OK\n");
 
-       r = dsi_cio_init(dsidev);
+       r = dsi_cio_init(dsi);
        if (r)
                goto err2;
 
-       _dsi_print_reset_status(dsidev);
+       _dsi_print_reset_status(dsi);
 
-       dsi_proto_timings(dsidev);
-       dsi_set_lp_clk_divisor(dsidev);
+       dsi_proto_timings(dsi);
+       dsi_set_lp_clk_divisor(dsi);
 
        if (1)
-               _dsi_print_reset_status(dsidev);
+               _dsi_print_reset_status(dsi);
 
-       r = dsi_proto_config(dsidev);
+       r = dsi_proto_config(dsi);
        if (r)
                goto err3;
 
        /* enable interface */
-       dsi_vc_enable(dsidev, 0, 1);
-       dsi_vc_enable(dsidev, 1, 1);
-       dsi_vc_enable(dsidev, 2, 1);
-       dsi_vc_enable(dsidev, 3, 1);
-       dsi_if_enable(dsidev, 1);
-       dsi_force_tx_stop_mode_io(dsidev);
+       dsi_vc_enable(dsi, 0, 1);
+       dsi_vc_enable(dsi, 1, 1);
+       dsi_vc_enable(dsi, 2, 1);
+       dsi_vc_enable(dsi, 3, 1);
+       dsi_if_enable(dsi, 1);
+       dsi_force_tx_stop_mode_io(dsi);
 
        return 0;
 err3:
-       dsi_cio_uninit(dsidev);
+       dsi_cio_uninit(dsi);
 err2:
        dss_select_dsi_clk_source(dsi->dss, dsi->module_id, DSS_CLK_SRC_FCK);
 err1:
@@ -4358,24 +4265,22 @@ static int dsi_display_init_dsi(struct platform_device 
*dsidev)
        return r;
 }
 
-static void dsi_display_uninit_dsi(struct platform_device *dsidev,
-               bool disconnect_lanes, bool enter_ulps)
+static void dsi_display_uninit_dsi(struct dsi_data *dsi, bool disconnect_lanes,
+                                  bool enter_ulps)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-
        if (enter_ulps && !dsi->ulps_enabled)
-               dsi_enter_ulps(dsidev);
+               dsi_enter_ulps(dsi);
 
        /* disable interface */
-       dsi_if_enable(dsidev, 0);
-       dsi_vc_enable(dsidev, 0, 0);
-       dsi_vc_enable(dsidev, 1, 0);
-       dsi_vc_enable(dsidev, 2, 0);
-       dsi_vc_enable(dsidev, 3, 0);
+       dsi_if_enable(dsi, 0);
+       dsi_vc_enable(dsi, 0, 0);
+       dsi_vc_enable(dsi, 1, 0);
+       dsi_vc_enable(dsi, 2, 0);
+       dsi_vc_enable(dsi, 3, 0);
 
        dss_select_dsi_clk_source(dsi->dss, dsi->module_id, DSS_CLK_SRC_FCK);
-       dsi_cio_uninit(dsidev);
-       dsi_pll_uninit(dsidev, disconnect_lanes);
+       dsi_cio_uninit(dsi);
+       dsi_pll_uninit(dsi, disconnect_lanes);
 }
 
 static int dsi_display_enable(struct omap_dss_device *dssdev)
@@ -4386,17 +4291,17 @@ static int dsi_display_enable(struct omap_dss_device 
*dssdev)
 
        DSSDBG("dsi_display_enable\n");
 
-       WARN_ON(!dsi_bus_is_locked(dsidev));
+       WARN_ON(!dsi_bus_is_locked(dsi));
 
        mutex_lock(&dsi->lock);
 
-       r = dsi_runtime_get(dsidev);
+       r = dsi_runtime_get(dsi);
        if (r)
                goto err_get_dsi;
 
-       _dsi_initialize_irq(dsidev);
+       _dsi_initialize_irq(dsi);
 
-       r = dsi_display_init_dsi(dsidev);
+       r = dsi_display_init_dsi(dsi);
        if (r)
                goto err_init_dsi;
 
@@ -4405,7 +4310,7 @@ static int dsi_display_enable(struct omap_dss_device 
*dssdev)
        return 0;
 
 err_init_dsi:
-       dsi_runtime_put(dsidev);
+       dsi_runtime_put(dsi);
 err_get_dsi:
        mutex_unlock(&dsi->lock);
        DSSDBG("dsi_display_enable FAILED\n");
@@ -4420,18 +4325,18 @@ static void dsi_display_disable(struct omap_dss_device 
*dssdev,
 
        DSSDBG("dsi_display_disable\n");
 
-       WARN_ON(!dsi_bus_is_locked(dsidev));
+       WARN_ON(!dsi_bus_is_locked(dsi));
 
        mutex_lock(&dsi->lock);
 
-       dsi_sync_vc(dsidev, 0);
-       dsi_sync_vc(dsidev, 1);
-       dsi_sync_vc(dsidev, 2);
-       dsi_sync_vc(dsidev, 3);
+       dsi_sync_vc(dsi, 0);
+       dsi_sync_vc(dsi, 1);
+       dsi_sync_vc(dsi, 2);
+       dsi_sync_vc(dsi, 3);
 
-       dsi_display_uninit_dsi(dsidev, disconnect_lanes, enter_ulps);
+       dsi_display_uninit_dsi(dsi, disconnect_lanes, enter_ulps);
 
-       dsi_runtime_put(dsidev);
+       dsi_runtime_put(dsi);
 
        mutex_unlock(&dsi->lock);
 }
@@ -4568,7 +4473,7 @@ static bool dsi_cm_calc_pll_cb(int n, int m, unsigned 
long fint,
                unsigned long clkdco, void *data)
 {
        struct dsi_clk_calc_ctx *ctx = data;
-       struct dsi_data *dsi = dsi_get_dsidrv_data(ctx->dsidev);
+       struct dsi_data *dsi = ctx->dsi;
 
        ctx->dsi_cinfo.n = n;
        ctx->dsi_cinfo.m = m;
@@ -4604,7 +4509,7 @@ static bool dsi_cm_calc(struct dsi_data *dsi,
        txbyteclk = pck * bitspp / 8 / ndl;
 
        memset(ctx, 0, sizeof(*ctx));
-       ctx->dsidev = dsi->pdev;
+       ctx->dsi = dsi;
        ctx->pll = &dsi->pll;
        ctx->config = cfg;
        ctx->req_pck_min = pck;
@@ -4621,7 +4526,7 @@ static bool dsi_cm_calc(struct dsi_data *dsi,
 
 static bool dsi_vm_calc_blanking(struct dsi_clk_calc_ctx *ctx)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(ctx->dsidev);
+       struct dsi_data *dsi = ctx->dsi;
        const struct omap_dss_dsi_config *cfg = ctx->config;
        int bitspp = dsi_get_pixel_size(cfg->pixel_format);
        int ndl = dsi->num_lanes_used - 1;
@@ -4868,7 +4773,7 @@ static bool dsi_vm_calc_pll_cb(int n, int m, unsigned 
long fint,
                unsigned long clkdco, void *data)
 {
        struct dsi_clk_calc_ctx *ctx = data;
-       struct dsi_data *dsi = dsi_get_dsidrv_data(ctx->dsidev);
+       struct dsi_data *dsi = ctx->dsi;
 
        ctx->dsi_cinfo.n = n;
        ctx->dsi_cinfo.m = m;
@@ -4895,7 +4800,7 @@ static bool dsi_vm_calc(struct dsi_data *dsi,
        clkin = clk_get_rate(dsi->pll.clkin);
 
        memset(ctx, 0, sizeof(*ctx));
-       ctx->dsidev = dsi->pdev;
+       ctx->dsi = dsi;
        ctx->pll = &dsi->pll;
        ctx->config = cfg;
 
@@ -5068,12 +4973,11 @@ static void dsi_release_vc(struct omap_dss_device 
*dssdev, int channel)
 }
 
 
-static int dsi_get_clocks(struct platform_device *dsidev)
+static int dsi_get_clocks(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        struct clk *clk;
 
-       clk = devm_clk_get(&dsidev->dev, "fck");
+       clk = devm_clk_get(&dsi->pdev->dev, "fck");
        if (IS_ERR(clk)) {
                DSSERR("can't get fck\n");
                return PTR_ERR(clk);
@@ -5088,10 +4992,11 @@ static int dsi_connect(struct omap_dss_device *dssdev,
                struct omap_dss_device *dst)
 {
        struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
+       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        enum omap_channel dispc_channel = dssdev->dispc_channel;
        int r;
 
-       r = dsi_regulator_init(dsidev);
+       r = dsi_regulator_init(dsi);
        if (r)
                return r;
 
@@ -5164,12 +5069,11 @@ static const struct omapdss_dsi_ops dsi_ops = {
        .set_max_rx_packet_size = dsi_vc_set_max_rx_packet_size,
 };
 
-static void dsi_init_output(struct platform_device *dsidev)
+static void dsi_init_output(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        struct omap_dss_device *out = &dsi->output;
 
-       out->dev = &dsidev->dev;
+       out->dev = &dsi->pdev->dev;
        out->id = dsi->module_id == 0 ?
                        OMAP_DSS_OUTPUT_DSI1 : OMAP_DSS_OUTPUT_DSI2;
 
@@ -5182,18 +5086,16 @@ static void dsi_init_output(struct platform_device 
*dsidev)
        omapdss_register_output(out);
 }
 
-static void dsi_uninit_output(struct platform_device *dsidev)
+static void dsi_uninit_output(struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        struct omap_dss_device *out = &dsi->output;
 
        omapdss_unregister_output(out);
 }
 
-static int dsi_probe_of(struct platform_device *pdev)
+static int dsi_probe_of(struct dsi_data *dsi)
 {
-       struct device_node *node = pdev->dev.of_node;
-       struct dsi_data *dsi = dsi_get_dsidrv_data(pdev);
+       struct device_node *node = dsi->pdev->dev.of_node;
        struct property *prop;
        u32 lane_arr[10];
        int len, num_pins;
@@ -5207,7 +5109,7 @@ static int dsi_probe_of(struct platform_device *pdev)
 
        prop = of_find_property(ep, "lanes", &len);
        if (prop == NULL) {
-               dev_err(&pdev->dev, "failed to find lane data\n");
+               dev_err(&dsi->pdev->dev, "failed to find lane data\n");
                r = -EINVAL;
                goto err;
        }
@@ -5216,14 +5118,14 @@ static int dsi_probe_of(struct platform_device *pdev)
 
        if (num_pins < 4 || num_pins % 2 != 0 ||
                num_pins > dsi->num_lanes_supported * 2) {
-               dev_err(&pdev->dev, "bad number of lanes\n");
+               dev_err(&dsi->pdev->dev, "bad number of lanes\n");
                r = -EINVAL;
                goto err;
        }
 
        r = of_property_read_u32_array(ep, "lanes", lane_arr, num_pins);
        if (r) {
-               dev_err(&pdev->dev, "failed to read lane data\n");
+               dev_err(&dsi->pdev->dev, "failed to read lane data\n");
                goto err;
        }
 
@@ -5233,7 +5135,7 @@ static int dsi_probe_of(struct platform_device *pdev)
 
        r = dsi_configure_pins(&dsi->output, &pin_cfg);
        if (r) {
-               dev_err(&pdev->dev, "failed to configure pins");
+               dev_err(&dsi->pdev->dev, "failed to configure pins");
                goto err;
        }
 
@@ -5333,15 +5235,13 @@ static const struct dss_pll_hw dss_omap5_dsi_pll_hw = {
        .has_refsel = true,
 };
 
-static int dsi_init_pll_data(struct dss_device *dss,
-                            struct platform_device *dsidev)
+static int dsi_init_pll_data(struct dss_device *dss, struct dsi_data *dsi)
 {
-       struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
        struct dss_pll *pll = &dsi->pll;
        struct clk *clk;
        int r;
 
-       clk = devm_clk_get(&dsidev->dev, "sys_clk");
+       clk = devm_clk_get(&dsi->pdev->dev, "sys_clk");
        if (IS_ERR(clk)) {
                DSSERR("can't get sys_clk\n");
                return PTR_ERR(clk);
@@ -5487,7 +5387,7 @@ static int dsi_bind(struct device *dev, struct device 
*master, void *data)
        }
 
        r = devm_request_irq(&dsidev->dev, dsi->irq, omap_dsi_irq_handler,
-                            IRQF_SHARED, dev_name(&dsidev->dev), dsi->pdev);
+                            IRQF_SHARED, dev_name(&dsidev->dev), dsi);
        if (r < 0) {
                DSSERR("request_irq failed\n");
                return r;
@@ -5535,19 +5435,19 @@ static int dsi_bind(struct device *dev, struct device 
*master, void *data)
                dsi->vc[i].vc_id = 0;
        }
 
-       r = dsi_get_clocks(dsidev);
+       r = dsi_get_clocks(dsi);
        if (r)
                return r;
 
-       dsi_init_pll_data(dss, dsidev);
+       dsi_init_pll_data(dss, dsi);
 
        pm_runtime_enable(&dsidev->dev);
 
-       r = dsi_runtime_get(dsidev);
+       r = dsi_runtime_get(dsi);
        if (r)
                goto err_runtime_get;
 
-       rev = dsi_read_reg(dsidev, DSI_REVISION);
+       rev = dsi_read_reg(dsi, DSI_REVISION);
        dev_dbg(&dsidev->dev, "OMAP DSI rev %d.%d\n",
               FLD_GET(rev, 7, 4), FLD_GET(rev, 3, 0));
 
@@ -5555,15 +5455,15 @@ static int dsi_bind(struct device *dev, struct device 
*master, void *data)
         * of data to 3 by default */
        if (dsi->data->quirks & DSI_QUIRK_GNQ)
                /* NB_DATA_LANES */
-               dsi->num_lanes_supported = 1 + REG_GET(dsidev, DSI_GNQ, 11, 9);
+               dsi->num_lanes_supported = 1 + REG_GET(dsi, DSI_GNQ, 11, 9);
        else
                dsi->num_lanes_supported = 3;
 
-       dsi->line_buffer_size = dsi_get_line_buf_size(dsidev);
+       dsi->line_buffer_size = dsi_get_line_buf_size(dsi);
 
-       dsi_init_output(dsidev);
+       dsi_init_output(dsi);
 
-       r = dsi_probe_of(dsidev);
+       r = dsi_probe_of(dsi);
        if (r) {
                DSSERR("Invalid DSI DT data\n");
                goto err_probe_of;
@@ -5573,7 +5473,7 @@ static int dsi_bind(struct device *dev, struct device 
*master, void *data)
        if (r)
                DSSERR("Failed to populate DSI child devices: %d\n", r);
 
-       dsi_runtime_put(dsidev);
+       dsi_runtime_put(dsi);
 
        if (dsi->module_id == 0)
                dsi->debugfs.regs = dss_debugfs_create_file(dss, "dsi1_regs",
@@ -5597,8 +5497,8 @@ static int dsi_bind(struct device *dev, struct device 
*master, void *data)
        return 0;
 
 err_probe_of:
-       dsi_uninit_output(dsidev);
-       dsi_runtime_put(dsidev);
+       dsi_uninit_output(dsi);
+       dsi_runtime_put(dsi);
 
 err_runtime_get:
        pm_runtime_disable(&dsidev->dev);
@@ -5619,7 +5519,7 @@ static void dsi_unbind(struct device *dev, struct device 
*master, void *data)
 
        dss_pll_unregister(&dsi->pll);
 
-       dsi_uninit_output(dsidev);
+       dsi_uninit_output(dsi);
 
        pm_runtime_disable(&dsidev->dev);
 
-- 
Regards,

Laurent Pinchart

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