In preparation to reworking IRQ indcies, stop using raw indices in
kernel output (both printk and debugfs). Instead use a pair of register
index and bit. This corresponds closer to the values in HW catalog.

Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
 .../gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c | 49 ++++++++++++-------
 1 file changed, 31 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c
index 308b122059cd..6071d3f05b0c 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c
@@ -199,6 +199,7 @@ static const struct dpu_intr_reg dpu_intr_set_7xxx[] = {
 
 #define DPU_IRQ_REG(irq_idx)   (irq_idx / 32)
 #define DPU_IRQ_MASK(irq_idx)  (BIT(irq_idx % 32))
+#define DPU_IRQ_BIT(irq_idx)   (ffs(DPU_IRQ_MASK(irq_idx)) - 1)
 
 static inline bool dpu_core_irq_is_valid(struct dpu_hw_intr *intr,
                                         int irq_idx)
@@ -221,10 +222,11 @@ static void dpu_core_irq_callback_handler(struct dpu_kms 
*dpu_kms, int irq_idx)
 {
        struct dpu_hw_intr_entry *irq_entry = 
dpu_core_irq_get_entry(dpu_kms->hw_intr, irq_idx);
 
-       VERB("irq_idx=%d\n", irq_idx);
+       VERB("irq=[%d, %d]\n", DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
 
        if (!irq_entry->cb)
-               DRM_ERROR("no registered cb, idx:%d\n", irq_idx);
+               DRM_ERROR("no registered cb, IRQ:[%d, %d]\n",
+                         DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
 
        atomic_inc(&irq_entry->count);
 
@@ -306,7 +308,8 @@ static int dpu_hw_intr_enable_irq_locked(struct dpu_hw_intr 
*intr, int irq_idx)
                return -EINVAL;
 
        if (!dpu_core_irq_is_valid(intr, irq_idx)) {
-               pr_err("invalid IRQ index: [%d]\n", irq_idx);
+               pr_err("invalid IRQ: [%d, %d]\n",
+                      DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
                return -EINVAL;
        }
 
@@ -342,7 +345,8 @@ static int dpu_hw_intr_enable_irq_locked(struct dpu_hw_intr 
*intr, int irq_idx)
                intr->cache_irq_mask[reg_idx] = cache_irq_mask;
        }
 
-       pr_debug("DPU IRQ %d %senabled: MASK:0x%.8lx, CACHE-MASK:0x%.8x\n", 
irq_idx, dbgstr,
+       pr_debug("DPU IRQ [%d, %d] %senabled: MASK:0x%.8lx, 
CACHE-MASK:0x%.8x\n",
+                DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx), dbgstr,
                        DPU_IRQ_MASK(irq_idx), cache_irq_mask);
 
        return 0;
@@ -359,7 +363,8 @@ static int dpu_hw_intr_disable_irq_locked(struct 
dpu_hw_intr *intr, int irq_idx)
                return -EINVAL;
 
        if (!dpu_core_irq_is_valid(intr, irq_idx)) {
-               pr_err("invalid IRQ index: [%d]\n", irq_idx);
+               pr_err("invalid IRQ: [%d, %d]\n",
+                      DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
                return -EINVAL;
        }
 
@@ -391,7 +396,8 @@ static int dpu_hw_intr_disable_irq_locked(struct 
dpu_hw_intr *intr, int irq_idx)
                intr->cache_irq_mask[reg_idx] = cache_irq_mask;
        }
 
-       pr_debug("DPU IRQ %d %sdisabled: MASK:0x%.8lx, CACHE-MASK:0x%.8x\n", 
irq_idx, dbgstr,
+       pr_debug("DPU IRQ [%d, %d] %sdisabled: MASK:0x%.8lx, 
CACHE-MASK:0x%.8x\n",
+                DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx), dbgstr,
                        DPU_IRQ_MASK(irq_idx), cache_irq_mask);
 
        return 0;
@@ -444,7 +450,7 @@ u32 dpu_core_irq_read(struct dpu_kms *dpu_kms, int irq_idx)
                return 0;
 
        if (!dpu_core_irq_is_valid(intr, irq_idx)) {
-               pr_err("invalid IRQ index: [%d]\n", irq_idx);
+               pr_err("invalid IRQ: [%d, %d]\n", DPU_IRQ_REG(irq_idx), 
DPU_IRQ_BIT(irq_idx));
                return 0;
        }
 
@@ -520,16 +526,19 @@ int dpu_core_irq_register_callback(struct dpu_kms 
*dpu_kms, int irq_idx,
        int ret;
 
        if (!irq_cb) {
-               DPU_ERROR("invalid ird_idx:%d irq_cb:%ps\n", irq_idx, irq_cb);
+               DPU_ERROR("invalid ird_IRQ:[%d, %d] irq_cb:%ps\n",
+                         DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx), irq_cb);
                return -EINVAL;
        }
 
        if (!dpu_core_irq_is_valid(dpu_kms->hw_intr, irq_idx)) {
-               DPU_ERROR("invalid IRQ index: [%d]\n", irq_idx);
+               DPU_ERROR("invalid IRQ: [%d, %d]\n",
+                         DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
                return -EINVAL;
        }
 
-       VERB("[%pS] irq_idx=%d\n", __builtin_return_address(0), irq_idx);
+       VERB("[%pS] irq=[%d, %d]\n", __builtin_return_address(0),
+            DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
 
        spin_lock_irqsave(&dpu_kms->hw_intr->irq_lock, irq_flags);
 
@@ -548,8 +557,8 @@ int dpu_core_irq_register_callback(struct dpu_kms *dpu_kms, 
int irq_idx,
                                dpu_kms->hw_intr,
                                irq_idx);
        if (ret)
-               DPU_ERROR("Fail to enable IRQ for irq_idx:%d\n",
-                                       irq_idx);
+               DPU_ERROR("Fail to enable IRQ for [%d, %d]\n",
+                         DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
        spin_unlock_irqrestore(&dpu_kms->hw_intr->irq_lock, irq_flags);
 
        trace_dpu_irq_register_success(irq_idx);
@@ -564,19 +573,21 @@ int dpu_core_irq_unregister_callback(struct dpu_kms 
*dpu_kms, int irq_idx)
        int ret;
 
        if (!dpu_core_irq_is_valid(dpu_kms->hw_intr, irq_idx)) {
-               DPU_ERROR("invalid IRQ index: [%d]\n", irq_idx);
+               DPU_ERROR("invalid IRQ: [%d, %d]\n",
+                         DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
                return -EINVAL;
        }
 
-       VERB("[%pS] irq_idx=%d\n", __builtin_return_address(0), irq_idx);
+       VERB("[%pS] irq=[%d, %d]\n", __builtin_return_address(0),
+            DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx));
 
        spin_lock_irqsave(&dpu_kms->hw_intr->irq_lock, irq_flags);
        trace_dpu_core_irq_unregister_callback(irq_idx);
 
        ret = dpu_hw_intr_disable_irq_locked(dpu_kms->hw_intr, irq_idx);
        if (ret)
-               DPU_ERROR("Fail to disable IRQ for irq_idx:%d: %d\n",
-                                       irq_idx, ret);
+               DPU_ERROR("Fail to disable IRQ for [%d, %d]: %d\n",
+                         DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx), ret);
 
        irq_entry = dpu_core_irq_get_entry(dpu_kms->hw_intr, irq_idx);
        irq_entry->cb = NULL;
@@ -606,7 +617,8 @@ static int dpu_debugfs_core_irq_show(struct seq_file *s, 
void *v)
                spin_unlock_irqrestore(&dpu_kms->hw_intr->irq_lock, irq_flags);
 
                if (irq_count || cb)
-                       seq_printf(s, "idx:%d irq:%d cb:%ps\n", i, irq_count, 
cb);
+                       seq_printf(s, "IRQ:[%d, %d] count:%d cb:%ps\n",
+                                  DPU_IRQ_REG(i), DPU_IRQ_BIT(i), irq_count, 
cb);
        }
 
        return 0;
@@ -652,7 +664,8 @@ void dpu_core_irq_uninstall(struct msm_kms *kms)
        for (i = 0; i < DPU_NUM_IRQS; i++) {
                irq_entry = dpu_core_irq_get_entry(dpu_kms->hw_intr, i);
                if (irq_entry->cb)
-                       DPU_ERROR("irq_idx=%d still enabled/registered\n", i);
+                       DPU_ERROR("irq=[%d, %d] still enabled/registered\n",
+                                 DPU_IRQ_REG(i), DPU_IRQ_BIT(i));
        }
 
        dpu_clear_irqs(dpu_kms);
-- 
2.39.2

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