dpu_core_irq_en/disable helpers are always called with the irq_count equal to 1. Merge them with _dpu_core_en/disable functions and make them handle just one interrupt index at a time.
Signed-off-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org --- drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c | 50 ++++---------------- drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.h | 20 ++++---- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 4 +- 3 files changed, 18 insertions(+), 56 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c index c10761ea191c..0ee9ac21e24a 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c @@ -63,11 +63,11 @@ int dpu_core_irq_idx_lookup(struct dpu_kms *dpu_kms, }
/** - * _dpu_core_irq_enable - enable core interrupt given by the index + * dpu_core_irq_enable - enable core interrupt given by the index * @dpu_kms: Pointer to dpu kms context * @irq_idx: interrupt index */ -static int _dpu_core_irq_enable(struct dpu_kms *dpu_kms, int irq_idx) +int dpu_core_irq_enable(struct dpu_kms *dpu_kms, int irq_idx) { unsigned long irq_flags; int ret = 0, enable_count; @@ -85,6 +85,8 @@ static int _dpu_core_irq_enable(struct dpu_kms *dpu_kms, int irq_idx) }
enable_count = atomic_read(&dpu_kms->irq_obj.enable_counts[irq_idx]); + if (enable_count) + DRM_ERROR("irq_idx=%d enable_count=%d\n", irq_idx, enable_count); DRM_DEBUG_KMS("irq_idx=%d enable_count=%d\n", irq_idx, enable_count); trace_dpu_core_irq_enable_idx(irq_idx, enable_count);
@@ -109,31 +111,12 @@ static int _dpu_core_irq_enable(struct dpu_kms *dpu_kms, int irq_idx) return ret; }
-int dpu_core_irq_enable(struct dpu_kms *dpu_kms, int *irq_idxs, u32 irq_count) -{ - int i, ret = 0, counts; - - if (!irq_idxs || !irq_count) { - DPU_ERROR("invalid params\n"); - return -EINVAL; - } - - counts = atomic_read(&dpu_kms->irq_obj.enable_counts[irq_idxs[0]]); - if (counts) - DRM_ERROR("irq_idx=%d enable_count=%d\n", irq_idxs[0], counts); - - for (i = 0; (i < irq_count) && !ret; i++) - ret = _dpu_core_irq_enable(dpu_kms, irq_idxs[i]); - - return ret; -} - /** - * _dpu_core_irq_disable - disable core interrupt given by the index + * dpu_core_irq_disable - disable core interrupt given by the index * @dpu_kms: Pointer to dpu kms context * @irq_idx: interrupt index */ -static int _dpu_core_irq_disable(struct dpu_kms *dpu_kms, int irq_idx) +int dpu_core_irq_disable(struct dpu_kms *dpu_kms, int irq_idx) { int ret = 0, enable_count;
@@ -148,6 +131,8 @@ static int _dpu_core_irq_disable(struct dpu_kms *dpu_kms, int irq_idx) }
enable_count = atomic_read(&dpu_kms->irq_obj.enable_counts[irq_idx]); + if (enable_count > 1) + DRM_ERROR("irq_idx=%d enable_count=%d\n", irq_idx, enable_count); DRM_DEBUG_KMS("irq_idx=%d enable_count=%d\n", irq_idx, enable_count); trace_dpu_core_irq_disable_idx(irq_idx, enable_count);
@@ -164,25 +149,6 @@ static int _dpu_core_irq_disable(struct dpu_kms *dpu_kms, int irq_idx) return ret; }
-int dpu_core_irq_disable(struct dpu_kms *dpu_kms, int *irq_idxs, u32 irq_count) -{ - int i, ret = 0, counts; - - if (!irq_idxs || !irq_count) { - DPU_ERROR("invalid params\n"); - return -EINVAL; - } - - counts = atomic_read(&dpu_kms->irq_obj.enable_counts[irq_idxs[0]]); - if (counts == 2) - DRM_ERROR("irq_idx=%d enable_count=%d\n", irq_idxs[0], counts); - - for (i = 0; (i < irq_count) && !ret; i++) - ret = _dpu_core_irq_disable(dpu_kms, irq_idxs[i]); - - return ret; -} - u32 dpu_core_irq_read(struct dpu_kms *dpu_kms, int irq_idx, bool clear) { if (!dpu_kms->hw_intr) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.h index e30775e6585b..2ac781738e83 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.h @@ -43,34 +43,30 @@ int dpu_core_irq_idx_lookup( uint32_t instance_idx);
/** - * dpu_core_irq_enable - IRQ helper function for enabling one or more IRQs + * dpu_core_irq_enable - IRQ helper function for enabling IRQ * @dpu_kms: DPU handle - * @irq_idxs: Array of irq index - * @irq_count: Number of irq_idx provided in the array + * @irq_idx: irq index * @return: 0 for success enabling IRQ, otherwise failure * * This function increments count on each enable and decrements on each - * disable. Interrupts is enabled if count is 0 before increment. + * disable. Interrupt is enabled if count is 0 before increment. */ int dpu_core_irq_enable( struct dpu_kms *dpu_kms, - int *irq_idxs, - uint32_t irq_count); + int irq_idxs);
/** - * dpu_core_irq_disable - IRQ helper function for disabling one of more IRQs + * dpu_core_irq_disable - IRQ helper function for disabling IRQ * @dpu_kms: DPU handle - * @irq_idxs: Array of irq index - * @irq_count: Number of irq_idx provided in the array + * @irq_idx: irq index * @return: 0 for success disabling IRQ, otherwise failure * * This function increments count on each enable and decrements on each - * disable. Interrupts is disabled if count is 0 after decrement. + * disable. Interrupt is disabled if count is 0 after decrement. */ int dpu_core_irq_disable( struct dpu_kms *dpu_kms, - int *irq_idxs, - uint32_t irq_count); + int irq_idxs);
/** * dpu_core_irq_read - IRQ helper function for reading IRQ status diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 72eb245341bf..e365815e6e28 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -367,7 +367,7 @@ int dpu_encoder_helper_register_irq(struct dpu_encoder_phys *phys_enc, return ret; }
- ret = dpu_core_irq_enable(phys_enc->dpu_kms, &irq->irq_idx, 1); + ret = dpu_core_irq_enable(phys_enc->dpu_kms, irq->irq_idx); if (ret) { DRM_ERROR("enable failed id=%u, intr=%d, hw=%d, irq=%d", DRMID(phys_enc->parent), intr_idx, irq->hw_idx, @@ -400,7 +400,7 @@ int dpu_encoder_helper_unregister_irq(struct dpu_encoder_phys *phys_enc, return 0; }
- ret = dpu_core_irq_disable(phys_enc->dpu_kms, &irq->irq_idx, 1); + ret = dpu_core_irq_disable(phys_enc->dpu_kms, irq->irq_idx); if (ret) { DRM_ERROR("disable failed id=%u, intr=%d, hw=%d, irq=%d ret=%d", DRMID(phys_enc->parent), intr_idx, irq->hw_idx,