The driver isn't consistent with the name given to the vc4_hdmi
structure pointer in its functions. Make sure to use a consistent name.

Reviewed-by: Eric Anholt <e...@anholt.net>
Tested-by: Chanwoo Choi <cw00.c...@samsung.com>
Tested-by: Hoegeun Kwon <hoegeun.k...@samsung.com>
Tested-by: Stefan Wahren <stefan.wah...@i2se.com>
Signed-off-by: Maxime Ripard <max...@cerno.tech>
---
 drivers/gpu/drm/vc4/vc4_hdmi.c | 283 +++++++++++++++++-----------------
 1 file changed, 142 insertions(+), 141 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 1f350b068fcd..6733e4bc235b 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -109,11 +109,11 @@ static const struct debugfs_reg32 hd_regs[] = {
 static int vc4_hdmi_debugfs_regs(struct seq_file *m, void *unused)
 {
        struct drm_info_node *node = (struct drm_info_node *)m->private;
-       struct vc4_hdmi *hdmi = node->info_ent->data;
+       struct vc4_hdmi *vc4_hdmi = node->info_ent->data;
        struct drm_printer p = drm_seq_file_printer(m);
 
-       drm_print_regset32(&p, &hdmi->hdmi_regset);
-       drm_print_regset32(&p, &hdmi->hd_regset);
+       drm_print_regset32(&p, &vc4_hdmi->hdmi_regset);
+       drm_print_regset32(&p, &vc4_hdmi->hd_regset);
 
        return 0;
 }
@@ -291,8 +291,8 @@ static void vc4_hdmi_set_avi_infoframe(struct drm_encoder 
*encoder)
 {
        struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder);
        struct vc4_dev *vc4 = encoder->dev->dev_private;
-       struct vc4_hdmi *hdmi = vc4->hdmi;
-       struct drm_connector *connector = &hdmi->connector.base;
+       struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
+       struct drm_connector *connector = &vc4_hdmi->connector.base;
        struct drm_connector_state *cstate = connector->state;
        struct drm_crtc *crtc = encoder->crtc;
        const struct drm_display_mode *mode = &crtc->state->adjusted_mode;
@@ -337,7 +337,7 @@ static void vc4_hdmi_set_audio_infoframe(struct drm_encoder 
*encoder)
 {
        struct drm_device *drm = encoder->dev;
        struct vc4_dev *vc4 = drm->dev_private;
-       struct vc4_hdmi *hdmi = vc4->hdmi;
+       struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
        union hdmi_infoframe frame;
        int ret;
 
@@ -346,7 +346,7 @@ static void vc4_hdmi_set_audio_infoframe(struct drm_encoder 
*encoder)
        frame.audio.coding_type = HDMI_AUDIO_CODING_TYPE_STREAM;
        frame.audio.sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM;
        frame.audio.sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM;
-       frame.audio.channels = hdmi->audio.channels;
+       frame.audio.channels = vc4_hdmi->audio.channels;
 
        vc4_hdmi_write_infoframe(encoder, &frame);
 }
@@ -361,7 +361,7 @@ static void vc4_hdmi_encoder_disable(struct drm_encoder 
*encoder)
 {
        struct drm_device *dev = encoder->dev;
        struct vc4_dev *vc4 = to_vc4_dev(dev);
-       struct vc4_hdmi *hdmi = vc4->hdmi;
+       struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
        int ret;
 
        HDMI_WRITE(VC4_HDMI_RAM_PACKET_CONFIG, 0);
@@ -370,9 +370,9 @@ static void vc4_hdmi_encoder_disable(struct drm_encoder 
*encoder)
        HD_WRITE(VC4_HD_VID_CTL,
                 HD_READ(VC4_HD_VID_CTL) & ~VC4_HD_VID_CTL_ENABLE);
 
-       clk_disable_unprepare(hdmi->pixel_clock);
+       clk_disable_unprepare(vc4_hdmi->pixel_clock);
 
-       ret = pm_runtime_put(&hdmi->pdev->dev);
+       ret = pm_runtime_put(&vc4_hdmi->pdev->dev);
        if (ret < 0)
                DRM_ERROR("Failed to release power domain: %d\n", ret);
 }
@@ -383,7 +383,7 @@ static void vc4_hdmi_encoder_enable(struct drm_encoder 
*encoder)
        struct vc4_hdmi_encoder *vc4_encoder = to_vc4_hdmi_encoder(encoder);
        struct drm_device *dev = encoder->dev;
        struct vc4_dev *vc4 = to_vc4_dev(dev);
-       struct vc4_hdmi *hdmi = vc4->hdmi;
+       struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
        bool debug_dump_regs = false;
        bool hsync_pos = mode->flags & DRM_MODE_FLAG_PHSYNC;
        bool vsync_pos = mode->flags & DRM_MODE_FLAG_PVSYNC;
@@ -405,13 +405,13 @@ static void vc4_hdmi_encoder_enable(struct drm_encoder 
*encoder)
        u32 csc_ctl;
        int ret;
 
-       ret = pm_runtime_get_sync(&hdmi->pdev->dev);
+       ret = pm_runtime_get_sync(&vc4_hdmi->pdev->dev);
        if (ret < 0) {
                DRM_ERROR("Failed to retain power domain: %d\n", ret);
                return;
        }
 
-       ret = clk_set_rate(hdmi->pixel_clock,
+       ret = clk_set_rate(vc4_hdmi->pixel_clock,
                           mode->clock * 1000 *
                           ((mode->flags & DRM_MODE_FLAG_DBLCLK) ? 2 : 1));
        if (ret) {
@@ -419,7 +419,7 @@ static void vc4_hdmi_encoder_enable(struct drm_encoder 
*encoder)
                return;
        }
 
-       ret = clk_prepare_enable(hdmi->pixel_clock);
+       ret = clk_prepare_enable(vc4_hdmi->pixel_clock);
        if (ret) {
                DRM_ERROR("Failed to turn on pixel clock: %d\n", ret);
                return;
@@ -439,11 +439,11 @@ static void vc4_hdmi_encoder_enable(struct drm_encoder 
*encoder)
        HDMI_WRITE(VC4_HDMI_TX_PHY_RESET_CTL, 0);
 
        if (debug_dump_regs) {
-               struct drm_printer p = drm_info_printer(&hdmi->pdev->dev);
+               struct drm_printer p = drm_info_printer(&vc4_hdmi->pdev->dev);
 
-               dev_info(&hdmi->pdev->dev, "HDMI regs before:\n");
-               drm_print_regset32(&p, &hdmi->hdmi_regset);
-               drm_print_regset32(&p, &hdmi->hd_regset);
+               dev_info(&vc4_hdmi->pdev->dev, "HDMI regs before:\n");
+               drm_print_regset32(&p, &vc4_hdmi->hdmi_regset);
+               drm_print_regset32(&p, &vc4_hdmi->hd_regset);
        }
 
        HD_WRITE(VC4_HD_VID_CTL, 0);
@@ -518,11 +518,11 @@ static void vc4_hdmi_encoder_enable(struct drm_encoder 
*encoder)
        HDMI_WRITE(VC4_HDMI_FIFO_CTL, VC4_HDMI_FIFO_CTL_MASTER_SLAVE_N);
 
        if (debug_dump_regs) {
-               struct drm_printer p = drm_info_printer(&hdmi->pdev->dev);
+               struct drm_printer p = drm_info_printer(&vc4_hdmi->pdev->dev);
 
-               dev_info(&hdmi->pdev->dev, "HDMI regs after:\n");
-               drm_print_regset32(&p, &hdmi->hdmi_regset);
-               drm_print_regset32(&p, &hdmi->hd_regset);
+               dev_info(&vc4_hdmi->pdev->dev, "HDMI regs after:\n");
+               drm_print_regset32(&p, &vc4_hdmi->hdmi_regset);
+               drm_print_regset32(&p, &vc4_hdmi->hd_regset);
        }
 
        HD_WRITE(VC4_HD_VID_CTL,
@@ -621,15 +621,15 @@ static const struct drm_encoder_helper_funcs 
vc4_hdmi_encoder_helper_funcs = {
 };
 
 /* HDMI audio codec callbacks */
-static void vc4_hdmi_audio_set_mai_clock(struct vc4_hdmi *hdmi)
+static void vc4_hdmi_audio_set_mai_clock(struct vc4_hdmi *vc4_hdmi)
 {
-       struct drm_encoder *encoder = &hdmi->encoder.base.base;
+       struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
        struct drm_device *drm = encoder->dev;
        struct vc4_dev *vc4 = to_vc4_dev(drm);
-       u32 hsm_clock = clk_get_rate(hdmi->hsm_clock);
+       u32 hsm_clock = clk_get_rate(vc4_hdmi->hsm_clock);
        unsigned long n, m;
 
-       rational_best_approximation(hsm_clock, hdmi->audio.samplerate,
+       rational_best_approximation(hsm_clock, vc4_hdmi->audio.samplerate,
                                    VC4_HD_MAI_SMP_N_MASK >>
                                    VC4_HD_MAI_SMP_N_SHIFT,
                                    (VC4_HD_MAI_SMP_M_MASK >>
@@ -641,14 +641,14 @@ static void vc4_hdmi_audio_set_mai_clock(struct vc4_hdmi 
*hdmi)
                 VC4_SET_FIELD(m - 1, VC4_HD_MAI_SMP_M));
 }
 
-static void vc4_hdmi_set_n_cts(struct vc4_hdmi *hdmi)
+static void vc4_hdmi_set_n_cts(struct vc4_hdmi *vc4_hdmi)
 {
-       struct drm_encoder *encoder = &hdmi->encoder.base.base;
+       struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
        struct drm_crtc *crtc = encoder->crtc;
        struct drm_device *drm = encoder->dev;
        struct vc4_dev *vc4 = to_vc4_dev(drm);
        const struct drm_display_mode *mode = &crtc->state->adjusted_mode;
-       u32 samplerate = hdmi->audio.samplerate;
+       u32 samplerate = vc4_hdmi->audio.samplerate;
        u32 n, cts;
        u64 tmp;
 
@@ -680,16 +680,16 @@ static inline struct vc4_hdmi *dai_to_hdmi(struct 
snd_soc_dai *dai)
 static int vc4_hdmi_audio_startup(struct snd_pcm_substream *substream,
                                  struct snd_soc_dai *dai)
 {
-       struct vc4_hdmi *hdmi = dai_to_hdmi(dai);
-       struct drm_encoder *encoder = &hdmi->encoder.base.base;
-       struct drm_connector *connector = &hdmi->connector.base;
+       struct vc4_hdmi *vc4_hdmi = dai_to_hdmi(dai);
+       struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
+       struct drm_connector *connector = &vc4_hdmi->connector.base;
        struct vc4_dev *vc4 = to_vc4_dev(encoder->dev);
        int ret;
 
-       if (hdmi->audio.substream && hdmi->audio.substream != substream)
+       if (vc4_hdmi->audio.substream && vc4_hdmi->audio.substream != substream)
                return -EINVAL;
 
-       hdmi->audio.substream = substream;
+       vc4_hdmi->audio.substream = substream;
 
        /*
         * If the HDMI encoder hasn't probed, or the encoder is
@@ -711,11 +711,11 @@ static int vc4_hdmi_audio_set_fmt(struct snd_soc_dai 
*dai, unsigned int fmt)
        return 0;
 }
 
-static void vc4_hdmi_audio_reset(struct vc4_hdmi *hdmi)
+static void vc4_hdmi_audio_reset(struct vc4_hdmi *vc4_hdmi)
 {
-       struct drm_encoder *encoder = &hdmi->encoder.base.base;
+       struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
        struct drm_device *drm = encoder->dev;
-       struct device *dev = &hdmi->pdev->dev;
+       struct device *dev = &vc4_hdmi->pdev->dev;
        struct vc4_dev *vc4 = to_vc4_dev(drm);
        int ret;
 
@@ -731,14 +731,14 @@ static void vc4_hdmi_audio_reset(struct vc4_hdmi *hdmi)
 static void vc4_hdmi_audio_shutdown(struct snd_pcm_substream *substream,
                                    struct snd_soc_dai *dai)
 {
-       struct vc4_hdmi *hdmi = dai_to_hdmi(dai);
+       struct vc4_hdmi *vc4_hdmi = dai_to_hdmi(dai);
 
-       if (substream != hdmi->audio.substream)
+       if (substream != vc4_hdmi->audio.substream)
                return;
 
-       vc4_hdmi_audio_reset(hdmi);
+       vc4_hdmi_audio_reset(vc4_hdmi);
 
-       hdmi->audio.substream = NULL;
+       vc4_hdmi->audio.substream = NULL;
 }
 
 /* HDMI audio codec callbacks */
@@ -746,23 +746,23 @@ static int vc4_hdmi_audio_hw_params(struct 
snd_pcm_substream *substream,
                                    struct snd_pcm_hw_params *params,
                                    struct snd_soc_dai *dai)
 {
-       struct vc4_hdmi *hdmi = dai_to_hdmi(dai);
-       struct drm_encoder *encoder = &hdmi->encoder.base.base;
+       struct vc4_hdmi *vc4_hdmi = dai_to_hdmi(dai);
+       struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
        struct drm_device *drm = encoder->dev;
-       struct device *dev = &hdmi->pdev->dev;
+       struct device *dev = &vc4_hdmi->pdev->dev;
        struct vc4_dev *vc4 = to_vc4_dev(drm);
        u32 audio_packet_config, channel_mask;
        u32 channel_map, i;
 
-       if (substream != hdmi->audio.substream)
+       if (substream != vc4_hdmi->audio.substream)
                return -EINVAL;
 
        dev_dbg(dev, "%s: %u Hz, %d bit, %d channels\n", __func__,
                params_rate(params), params_width(params),
                params_channels(params));
 
-       hdmi->audio.channels = params_channels(params);
-       hdmi->audio.samplerate = params_rate(params);
+       vc4_hdmi->audio.channels = params_channels(params);
+       vc4_hdmi->audio.samplerate = params_rate(params);
 
        HD_WRITE(VC4_HD_MAI_CTL,
                 VC4_HD_MAI_CTL_RESET |
@@ -771,23 +771,23 @@ static int vc4_hdmi_audio_hw_params(struct 
snd_pcm_substream *substream,
                 VC4_HD_MAI_CTL_ERRORE |
                 VC4_HD_MAI_CTL_ERRORF);
 
-       vc4_hdmi_audio_set_mai_clock(hdmi);
+       vc4_hdmi_audio_set_mai_clock(vc4_hdmi);
 
        audio_packet_config =
                VC4_HDMI_AUDIO_PACKET_ZERO_DATA_ON_SAMPLE_FLAT |
                VC4_HDMI_AUDIO_PACKET_ZERO_DATA_ON_INACTIVE_CHANNELS |
                VC4_SET_FIELD(0xf, VC4_HDMI_AUDIO_PACKET_B_FRAME_IDENTIFIER);
 
-       channel_mask = GENMASK(hdmi->audio.channels - 1, 0);
+       channel_mask = GENMASK(vc4_hdmi->audio.channels - 1, 0);
        audio_packet_config |= VC4_SET_FIELD(channel_mask,
                                             VC4_HDMI_AUDIO_PACKET_CEA_MASK);
 
        /* Set the MAI threshold.  This logic mimics the firmware's. */
-       if (hdmi->audio.samplerate > 96000) {
+       if (vc4_hdmi->audio.samplerate > 96000) {
                HD_WRITE(VC4_HD_MAI_THR,
                         VC4_SET_FIELD(0x12, VC4_HD_MAI_THR_DREQHIGH) |
                         VC4_SET_FIELD(0x12, VC4_HD_MAI_THR_DREQLOW));
-       } else if (hdmi->audio.samplerate > 48000) {
+       } else if (vc4_hdmi->audio.samplerate > 48000) {
                HD_WRITE(VC4_HD_MAI_THR,
                         VC4_SET_FIELD(0x14, VC4_HD_MAI_THR_DREQHIGH) |
                         VC4_SET_FIELD(0x12, VC4_HD_MAI_THR_DREQLOW));
@@ -811,7 +811,7 @@ static int vc4_hdmi_audio_hw_params(struct 
snd_pcm_substream *substream,
 
        HDMI_WRITE(VC4_HDMI_MAI_CHANNEL_MAP, channel_map);
        HDMI_WRITE(VC4_HDMI_AUDIO_PACKET_CONFIG, audio_packet_config);
-       vc4_hdmi_set_n_cts(hdmi);
+       vc4_hdmi_set_n_cts(vc4_hdmi);
 
        return 0;
 }
@@ -819,8 +819,8 @@ static int vc4_hdmi_audio_hw_params(struct 
snd_pcm_substream *substream,
 static int vc4_hdmi_audio_trigger(struct snd_pcm_substream *substream, int cmd,
                                  struct snd_soc_dai *dai)
 {
-       struct vc4_hdmi *hdmi = dai_to_hdmi(dai);
-       struct drm_encoder *encoder = &hdmi->encoder.base.base;
+       struct vc4_hdmi *vc4_hdmi = dai_to_hdmi(dai);
+       struct drm_encoder *encoder = &vc4_hdmi->encoder.base.base;
        struct drm_device *drm = encoder->dev;
        struct vc4_dev *vc4 = to_vc4_dev(drm);
 
@@ -831,7 +831,7 @@ static int vc4_hdmi_audio_trigger(struct snd_pcm_substream 
*substream, int cmd,
                           HDMI_READ(VC4_HDMI_TX_PHY_CTL0) &
                           ~VC4_HDMI_TX_PHY_RNG_PWRDN);
                HD_WRITE(VC4_HD_MAI_CTL,
-                        VC4_SET_FIELD(hdmi->audio.channels,
+                        VC4_SET_FIELD(vc4_hdmi->audio.channels,
                                       VC4_HD_MAI_CTL_CHNUM) |
                         VC4_HD_MAI_CTL_ENABLE);
                break;
@@ -863,8 +863,8 @@ static int vc4_hdmi_audio_eld_ctl_info(struct snd_kcontrol 
*kcontrol,
                                       struct snd_ctl_elem_info *uinfo)
 {
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
-       struct vc4_hdmi *hdmi = snd_component_to_hdmi(component);
-       struct drm_connector *connector = &hdmi->connector.base;
+       struct vc4_hdmi *vc4_hdmi = snd_component_to_hdmi(component);
+       struct drm_connector *connector = &vc4_hdmi->connector.base;
 
        uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
        uinfo->count = sizeof(connector->eld);
@@ -876,8 +876,8 @@ static int vc4_hdmi_audio_eld_ctl_get(struct snd_kcontrol 
*kcontrol,
                                      struct snd_ctl_elem_value *ucontrol)
 {
        struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
-       struct vc4_hdmi *hdmi = snd_component_to_hdmi(component);
-       struct drm_connector *connector = &hdmi->connector.base;
+       struct vc4_hdmi *vc4_hdmi = snd_component_to_hdmi(component);
+       struct drm_connector *connector = &vc4_hdmi->connector.base;
 
        memcpy(ucontrol->value.bytes.data, connector->eld,
               sizeof(connector->eld));
@@ -945,9 +945,9 @@ static const struct snd_soc_component_driver 
vc4_hdmi_audio_cpu_dai_comp = {
 
 static int vc4_hdmi_audio_cpu_dai_probe(struct snd_soc_dai *dai)
 {
-       struct vc4_hdmi *hdmi = dai_to_hdmi(dai);
+       struct vc4_hdmi *vc4_hdmi = dai_to_hdmi(dai);
 
-       snd_soc_dai_init_dma_data(dai, &hdmi->audio.dma_data, NULL);
+       snd_soc_dai_init_dma_data(dai, &vc4_hdmi->audio.dma_data, NULL);
 
        return 0;
 }
@@ -973,11 +973,11 @@ static const struct snd_dmaengine_pcm_config pcm_conf = {
        .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
 };
 
-static int vc4_hdmi_audio_init(struct vc4_hdmi *hdmi)
+static int vc4_hdmi_audio_init(struct vc4_hdmi *vc4_hdmi)
 {
-       struct snd_soc_dai_link *dai_link = &hdmi->audio.link;
-       struct snd_soc_card *card = &hdmi->audio.card;
-       struct device *dev = &hdmi->pdev->dev;
+       struct snd_soc_dai_link *dai_link = &vc4_hdmi->audio.link;
+       struct snd_soc_card *card = &vc4_hdmi->audio.card;
+       struct device *dev = &vc4_hdmi->pdev->dev;
        const __be32 *addr;
        int ret;
 
@@ -995,9 +995,9 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *hdmi)
         * This VC/MMU should probably be exposed to avoid this kind of hacks.
         */
        addr = of_get_address(dev->of_node, 1, NULL, NULL);
-       hdmi->audio.dma_data.addr = be32_to_cpup(addr) + VC4_HD_MAI_DATA;
-       hdmi->audio.dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
-       hdmi->audio.dma_data.maxburst = 2;
+       vc4_hdmi->audio.dma_data.addr = be32_to_cpup(addr) + VC4_HD_MAI_DATA;
+       vc4_hdmi->audio.dma_data.addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+       vc4_hdmi->audio.dma_data.maxburst = 2;
 
        ret = devm_snd_dmaengine_pcm_register(dev, &pcm_conf, 0);
        if (ret) {
@@ -1020,9 +1020,9 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *hdmi)
                return ret;
        }
 
-       dai_link->cpus          = &hdmi->audio.cpu;
-       dai_link->codecs        = &hdmi->audio.codec;
-       dai_link->platforms     = &hdmi->audio.platform;
+       dai_link->cpus          = &vc4_hdmi->audio.cpu;
+       dai_link->codecs        = &vc4_hdmi->audio.codec;
+       dai_link->platforms     = &vc4_hdmi->audio.platform;
 
        dai_link->num_cpus      = 1;
        dai_link->num_codecs    = 1;
@@ -1047,7 +1047,7 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *hdmi)
         * now stored in card->drvdata and should be retrieved with
         * snd_soc_card_get_drvdata() if needed.
         */
-       snd_soc_card_set_drvdata(card, hdmi);
+       snd_soc_card_set_drvdata(card, vc4_hdmi);
        ret = devm_snd_soc_register_card(dev, card);
        if (ret)
                dev_err(dev, "Could not register sound card: %d\n", ret);
@@ -1060,20 +1060,21 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *hdmi)
 static irqreturn_t vc4_cec_irq_handler_thread(int irq, void *priv)
 {
        struct vc4_dev *vc4 = priv;
-       struct vc4_hdmi *hdmi = vc4->hdmi;
-
-       if (hdmi->cec_irq_was_rx) {
-               if (hdmi->cec_rx_msg.len)
-                       cec_received_msg(hdmi->cec_adap, &hdmi->cec_rx_msg);
-       } else if (hdmi->cec_tx_ok) {
-               cec_transmit_done(hdmi->cec_adap, CEC_TX_STATUS_OK,
+       struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
+
+       if (vc4_hdmi->cec_irq_was_rx) {
+               if (vc4_hdmi->cec_rx_msg.len)
+                       cec_received_msg(vc4_hdmi->cec_adap,
+                                        &vc4_hdmi->cec_rx_msg);
+       } else if (vc4_hdmi->cec_tx_ok) {
+               cec_transmit_done(vc4_hdmi->cec_adap, CEC_TX_STATUS_OK,
                                  0, 0, 0, 0);
        } else {
                /*
                 * This CEC implementation makes 1 retry, so if we
                 * get a NACK, then that means it made 2 attempts.
                 */
-               cec_transmit_done(hdmi->cec_adap, CEC_TX_STATUS_NACK,
+               cec_transmit_done(vc4_hdmi->cec_adap, CEC_TX_STATUS_NACK,
                                  0, 2, 0, 0);
        }
        return IRQ_HANDLED;
@@ -1099,23 +1100,23 @@ static void vc4_cec_read_msg(struct vc4_dev *vc4, u32 
cntrl1)
 static irqreturn_t vc4_cec_irq_handler(int irq, void *priv)
 {
        struct vc4_dev *vc4 = priv;
-       struct vc4_hdmi *hdmi = vc4->hdmi;
+       struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
        u32 stat = HDMI_READ(VC4_HDMI_CPU_STATUS);
        u32 cntrl1, cntrl5;
 
        if (!(stat & VC4_HDMI_CPU_CEC))
                return IRQ_NONE;
-       hdmi->cec_rx_msg.len = 0;
+       vc4_hdmi->cec_rx_msg.len = 0;
        cntrl1 = HDMI_READ(VC4_HDMI_CEC_CNTRL_1);
        cntrl5 = HDMI_READ(VC4_HDMI_CEC_CNTRL_5);
-       hdmi->cec_irq_was_rx = cntrl5 & VC4_HDMI_CEC_RX_CEC_INT;
-       if (hdmi->cec_irq_was_rx) {
+       vc4_hdmi->cec_irq_was_rx = cntrl5 & VC4_HDMI_CEC_RX_CEC_INT;
+       if (vc4_hdmi->cec_irq_was_rx) {
                vc4_cec_read_msg(vc4, cntrl1);
                cntrl1 |= VC4_HDMI_CEC_CLEAR_RECEIVE_OFF;
                HDMI_WRITE(VC4_HDMI_CEC_CNTRL_1, cntrl1);
                cntrl1 &= ~VC4_HDMI_CEC_CLEAR_RECEIVE_OFF;
        } else {
-               hdmi->cec_tx_ok = cntrl1 & VC4_HDMI_CEC_TX_STATUS_GOOD;
+               vc4_hdmi->cec_tx_ok = cntrl1 & VC4_HDMI_CEC_TX_STATUS_GOOD;
                cntrl1 &= ~VC4_HDMI_CEC_START_XMIT_BEGIN;
        }
        HDMI_WRITE(VC4_HDMI_CEC_CNTRL_1, cntrl1);
@@ -1217,46 +1218,46 @@ static int vc4_hdmi_bind(struct device *dev, struct 
device *master, void *data)
        struct platform_device *pdev = to_platform_device(dev);
        struct drm_device *drm = dev_get_drvdata(master);
        struct vc4_dev *vc4 = drm->dev_private;
-       struct vc4_hdmi *hdmi;
+       struct vc4_hdmi *vc4_hdmi;
        struct drm_encoder *encoder;
        struct device_node *ddc_node;
        u32 value;
        int ret;
 
-       hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL);
-       if (!hdmi)
+       vc4_hdmi = devm_kzalloc(dev, sizeof(*vc4_hdmi), GFP_KERNEL);
+       if (!vc4_hdmi)
                return -ENOMEM;
 
-       encoder = &hdmi->encoder.base.base;
-       hdmi->encoder.base.type = VC4_ENCODER_TYPE_HDMI0;
-       hdmi->pdev = pdev;
+       encoder = &vc4_hdmi->encoder.base.base;
+       vc4_hdmi->encoder.base.type = VC4_ENCODER_TYPE_HDMI0;
+       vc4_hdmi->pdev = pdev;
 
-       hdmi->hdmicore_regs = vc4_ioremap_regs(pdev, 0);
-       if (IS_ERR(hdmi->hdmicore_regs))
-               return PTR_ERR(hdmi->hdmicore_regs);
+       vc4_hdmi->hdmicore_regs = vc4_ioremap_regs(pdev, 0);
+       if (IS_ERR(vc4_hdmi->hdmicore_regs))
+               return PTR_ERR(vc4_hdmi->hdmicore_regs);
 
-       hdmi->hd_regs = vc4_ioremap_regs(pdev, 1);
-       if (IS_ERR(hdmi->hd_regs))
-               return PTR_ERR(hdmi->hd_regs);
+       vc4_hdmi->hd_regs = vc4_ioremap_regs(pdev, 1);
+       if (IS_ERR(vc4_hdmi->hd_regs))
+               return PTR_ERR(vc4_hdmi->hd_regs);
 
-       hdmi->hdmi_regset.base = hdmi->hdmicore_regs;
-       hdmi->hdmi_regset.regs = hdmi_regs;
-       hdmi->hdmi_regset.nregs = ARRAY_SIZE(hdmi_regs);
-       hdmi->hd_regset.base = hdmi->hd_regs;
-       hdmi->hd_regset.regs = hd_regs;
-       hdmi->hd_regset.nregs = ARRAY_SIZE(hd_regs);
+       vc4_hdmi->hdmi_regset.base = vc4_hdmi->hdmicore_regs;
+       vc4_hdmi->hdmi_regset.regs = hdmi_regs;
+       vc4_hdmi->hdmi_regset.nregs = ARRAY_SIZE(hdmi_regs);
+       vc4_hdmi->hd_regset.base = vc4_hdmi->hd_regs;
+       vc4_hdmi->hd_regset.regs = hd_regs;
+       vc4_hdmi->hd_regset.nregs = ARRAY_SIZE(hd_regs);
 
-       hdmi->pixel_clock = devm_clk_get(dev, "pixel");
-       if (IS_ERR(hdmi->pixel_clock)) {
-               ret = PTR_ERR(hdmi->pixel_clock);
+       vc4_hdmi->pixel_clock = devm_clk_get(dev, "pixel");
+       if (IS_ERR(vc4_hdmi->pixel_clock)) {
+               ret = PTR_ERR(vc4_hdmi->pixel_clock);
                if (ret != -EPROBE_DEFER)
                        DRM_ERROR("Failed to get pixel clock\n");
                return ret;
        }
-       hdmi->hsm_clock = devm_clk_get(dev, "hdmi");
-       if (IS_ERR(hdmi->hsm_clock)) {
+       vc4_hdmi->hsm_clock = devm_clk_get(dev, "hdmi");
+       if (IS_ERR(vc4_hdmi->hsm_clock)) {
                DRM_ERROR("Failed to get HDMI state machine clock\n");
-               return PTR_ERR(hdmi->hsm_clock);
+               return PTR_ERR(vc4_hdmi->hsm_clock);
        }
 
        ddc_node = of_parse_phandle(dev->of_node, "ddc", 0);
@@ -1265,9 +1266,9 @@ static int vc4_hdmi_bind(struct device *dev, struct 
device *master, void *data)
                return -ENODEV;
        }
 
-       hdmi->ddc = of_find_i2c_adapter_by_node(ddc_node);
+       vc4_hdmi->ddc = of_find_i2c_adapter_by_node(ddc_node);
        of_node_put(ddc_node);
-       if (!hdmi->ddc) {
+       if (!vc4_hdmi->ddc) {
                DRM_DEBUG("Failed to get ddc i2c adapter by node\n");
                return -EPROBE_DEFER;
        }
@@ -1276,13 +1277,13 @@ static int vc4_hdmi_bind(struct device *dev, struct 
device *master, void *data)
         * needs to be a bit higher than the pixel clock rate
         * (generally 148.5Mhz).
         */
-       ret = clk_set_rate(hdmi->hsm_clock, HSM_CLOCK_FREQ);
+       ret = clk_set_rate(vc4_hdmi->hsm_clock, HSM_CLOCK_FREQ);
        if (ret) {
                DRM_ERROR("Failed to set HSM clock rate: %d\n", ret);
                goto err_put_i2c;
        }
 
-       ret = clk_prepare_enable(hdmi->hsm_clock);
+       ret = clk_prepare_enable(vc4_hdmi->hsm_clock);
        if (ret) {
                DRM_ERROR("Failed to turn on HDMI state machine clock: %d\n",
                          ret);
@@ -1295,18 +1296,18 @@ static int vc4_hdmi_bind(struct device *dev, struct 
device *master, void *data)
        if (of_find_property(dev->of_node, "hpd-gpios", &value)) {
                enum of_gpio_flags hpd_gpio_flags;
 
-               hdmi->hpd_gpio = of_get_named_gpio_flags(dev->of_node,
-                                                        "hpd-gpios", 0,
-                                                        &hpd_gpio_flags);
-               if (hdmi->hpd_gpio < 0) {
-                       ret = hdmi->hpd_gpio;
+               vc4_hdmi->hpd_gpio = of_get_named_gpio_flags(dev->of_node,
+                                                            "hpd-gpios", 0,
+                                                            &hpd_gpio_flags);
+               if (vc4_hdmi->hpd_gpio < 0) {
+                       ret = vc4_hdmi->hpd_gpio;
                        goto err_unprepare_hsm;
                }
 
-               hdmi->hpd_active_low = hpd_gpio_flags & OF_GPIO_ACTIVE_LOW;
+               vc4_hdmi->hpd_active_low = hpd_gpio_flags & OF_GPIO_ACTIVE_LOW;
        }
 
-       vc4->hdmi = hdmi;
+       vc4->hdmi = vc4_hdmi;
 
        /* HDMI core must be enabled. */
        if (!(HD_READ(VC4_HD_M_CTL) & VC4_HD_M_ENABLE)) {
@@ -1321,21 +1322,21 @@ static int vc4_hdmi_bind(struct device *dev, struct 
device *master, void *data)
        drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
        drm_encoder_helper_add(encoder, &vc4_hdmi_encoder_helper_funcs);
 
-       ret = vc4_hdmi_connector_init(drm, hdmi);
+       ret = vc4_hdmi_connector_init(drm, vc4_hdmi);
        if (ret)
                goto err_destroy_encoder;
 
 #ifdef CONFIG_DRM_VC4_HDMI_CEC
-       hdmi->cec_adap = cec_allocate_adapter(&vc4_hdmi_cec_adap_ops,
-                                             vc4, "vc4",
-                                             CEC_CAP_DEFAULTS |
-                                             CEC_CAP_CONNECTOR_INFO, 1);
-       ret = PTR_ERR_OR_ZERO(hdmi->cec_adap);
+       vc4_hdmi->cec_adap = cec_allocate_adapter(&vc4_hdmi_cec_adap_ops,
+                                                 vc4, "vc4",
+                                                 CEC_CAP_DEFAULTS |
+                                                 CEC_CAP_CONNECTOR_INFO, 1);
+       ret = PTR_ERR_OR_ZERO(vc4_hdmi->cec_adap);
        if (ret < 0)
                goto err_destroy_conn;
 
-       cec_fill_conn_info_from_drm(&conn_info, &hdmi->connector.base);
-       cec_s_conn_info(hdmi->cec_adap, &conn_info);
+       cec_fill_conn_info_from_drm(&conn_info, &vc4_hdmi->connector.base);
+       cec_s_conn_info(vc4_hdmi->cec_adap, &conn_info);
 
        HDMI_WRITE(VC4_HDMI_CPU_MASK_SET, 0xffffffff);
        value = HDMI_READ(VC4_HDMI_CEC_CNTRL_1);
@@ -1354,32 +1355,32 @@ static int vc4_hdmi_bind(struct device *dev, struct 
device *master, void *data)
                                        "vc4 hdmi cec", vc4);
        if (ret)
                goto err_delete_cec_adap;
-       ret = cec_register_adapter(hdmi->cec_adap, dev);
+       ret = cec_register_adapter(vc4_hdmi->cec_adap, dev);
        if (ret < 0)
                goto err_delete_cec_adap;
 #endif
 
-       ret = vc4_hdmi_audio_init(hdmi);
+       ret = vc4_hdmi_audio_init(vc4_hdmi);
        if (ret)
                goto err_destroy_encoder;
 
-       vc4_debugfs_add_file(drm, "hdmi_regs", vc4_hdmi_debugfs_regs, hdmi);
+       vc4_debugfs_add_file(drm, "hdmi_regs", vc4_hdmi_debugfs_regs, vc4_hdmi);
 
        return 0;
 
 #ifdef CONFIG_DRM_VC4_HDMI_CEC
 err_delete_cec_adap:
-       cec_delete_adapter(hdmi->cec_adap);
+       cec_delete_adapter(vc4_hdmi->cec_adap);
 err_destroy_conn:
-       vc4_hdmi_connector_destroy(&hdmi->connector.base);
+       vc4_hdmi_connector_destroy(&vc4_hdmi->connector.base);
 #endif
 err_destroy_encoder:
        drm_encoder_cleanup(encoder);
 err_unprepare_hsm:
-       clk_disable_unprepare(hdmi->hsm_clock);
+       clk_disable_unprepare(vc4_hdmi->hsm_clock);
        pm_runtime_disable(dev);
 err_put_i2c:
-       put_device(&hdmi->ddc->dev);
+       put_device(&vc4_hdmi->ddc->dev);
 
        return ret;
 }
@@ -1389,16 +1390,16 @@ static void vc4_hdmi_unbind(struct device *dev, struct 
device *master,
 {
        struct drm_device *drm = dev_get_drvdata(master);
        struct vc4_dev *vc4 = drm->dev_private;
-       struct vc4_hdmi *hdmi = vc4->hdmi;
+       struct vc4_hdmi *vc4_hdmi = vc4->hdmi;
 
-       cec_unregister_adapter(hdmi->cec_adap);
-       vc4_hdmi_connector_destroy(&hdmi->connector.base);
-       drm_encoder_cleanup(&hdmi->encoder.base.base);
+       cec_unregister_adapter(vc4_hdmi->cec_adap);
+       vc4_hdmi_connector_destroy(&vc4_hdmi->connector.base);
+       drm_encoder_cleanup(&vc4_hdmi->encoder.base.base);
 
-       clk_disable_unprepare(hdmi->hsm_clock);
+       clk_disable_unprepare(vc4_hdmi->hsm_clock);
        pm_runtime_disable(dev);
 
-       put_device(&hdmi->ddc->dev);
+       put_device(&vc4_hdmi->ddc->dev);
 
        vc4->hdmi = NULL;
 }
-- 
git-series 0.9.1
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