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.baryshkov@xxxxxxxxxx> --- .../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