diff mbox series

[v2,3/7] drm/msm/dpu: merge struct dpu_irq into struct dpu_hw_intr

Message ID 20210617222029.463045-4-dmitry.baryshkov@linaro.org
State Accepted
Commit f25f656608e3a54ac3e0747be415cf3d4a69cef8
Headers show
Series drm/msm/dpu: merge dpu_core_irq into dpu_hw_interrupts | expand

Commit Message

Dmitry Baryshkov June 17, 2021, 10:20 p.m. UTC
As dpu_core_irq was merged into dpu_hw_intr, merge data structures too,
removing the need for a separate data structure.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

---
 .../gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c | 51 +++++++++----------
 .../gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h |  5 ++
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h       | 13 -----
 3 files changed, 28 insertions(+), 41 deletions(-)

-- 
2.30.2

Comments

Abhinav Kumar Aug. 18, 2021, 3:20 a.m. UTC | #1
On 2021-06-17 15:20, Dmitry Baryshkov wrote:
> As dpu_core_irq was merged into dpu_hw_intr, merge data structures too,

> removing the need for a separate data structure.

> 

> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>

> ---

>  .../gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c | 51 +++++++++----------

>  .../gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h |  5 ++

>  drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h       | 13 -----

>  3 files changed, 28 insertions(+), 41 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 28e9b0d448db..d2b6dca487e3 100644

> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c

> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c

> @@ -127,20 +127,19 @@ static const struct dpu_intr_reg dpu_intr_set[] = 

> {

>   */

>  static void dpu_core_irq_callback_handler(struct dpu_kms *dpu_kms, int 

> irq_idx)

>  {

> -	struct dpu_irq *irq_obj = &dpu_kms->irq_obj;

>  	struct dpu_irq_callback *cb;

> 

>  	VERB("irq_idx=%d\n", irq_idx);

> 

> -	if (list_empty(&irq_obj->irq_cb_tbl[irq_idx]))

> +	if (list_empty(&dpu_kms->hw_intr->irq_cb_tbl[irq_idx]))

>  		DRM_ERROR("no registered cb, idx:%d\n", irq_idx);

> 

> -	atomic_inc(&irq_obj->irq_counts[irq_idx]);

> +	atomic_inc(&dpu_kms->hw_intr->irq_counts[irq_idx]);

> 

>  	/*

>  	 * Perform registered function callback

>  	 */

> -	list_for_each_entry(cb, &irq_obj->irq_cb_tbl[irq_idx], list)

> +	list_for_each_entry(cb, &dpu_kms->hw_intr->irq_cb_tbl[irq_idx], list)

>  		if (cb->func)

>  			cb->func(cb->arg, irq_idx);

>  }

> @@ -420,6 +419,10 @@ void dpu_hw_intr_destroy(struct dpu_hw_intr *intr)

>  {

>  	if (intr) {

>  		kfree(intr->cache_irq_mask);

> +

> +		kfree(intr->irq_cb_tbl);

> +		kfree(intr->irq_counts);

> +

>  		kfree(intr);

>  	}

>  }

> @@ -429,7 +432,7 @@ int dpu_core_irq_register_callback(struct dpu_kms

> *dpu_kms, int irq_idx,

>  {

>  	unsigned long irq_flags;

> 

> -	if (!dpu_kms->irq_obj.irq_cb_tbl) {

> +	if (!dpu_kms->hw_intr->irq_cb_tbl) {

>  		DPU_ERROR("invalid params\n");

>  		return -EINVAL;

>  	}

> @@ -453,9 +456,9 @@ int dpu_core_irq_register_callback(struct dpu_kms

> *dpu_kms, int irq_idx,

>  	trace_dpu_core_irq_register_callback(irq_idx, register_irq_cb);

>  	list_del_init(&register_irq_cb->list);

>  	list_add_tail(&register_irq_cb->list,

> -			&dpu_kms->irq_obj.irq_cb_tbl[irq_idx]);

> +			&dpu_kms->hw_intr->irq_cb_tbl[irq_idx]);

>  	if (list_is_first(&register_irq_cb->list,

> -			&dpu_kms->irq_obj.irq_cb_tbl[irq_idx])) {

> +			&dpu_kms->hw_intr->irq_cb_tbl[irq_idx])) {

>  		int ret = dpu_hw_intr_enable_irq_locked(

>  				dpu_kms->hw_intr,

>  				irq_idx);

> @@ -473,7 +476,7 @@ int dpu_core_irq_unregister_callback(struct

> dpu_kms *dpu_kms, int irq_idx,

>  {

>  	unsigned long irq_flags;

> 

> -	if (!dpu_kms->irq_obj.irq_cb_tbl) {

> +	if (!dpu_kms->hw_intr->irq_cb_tbl) {

>  		DPU_ERROR("invalid params\n");

>  		return -EINVAL;

>  	}

> @@ -497,7 +500,7 @@ int dpu_core_irq_unregister_callback(struct

> dpu_kms *dpu_kms, int irq_idx,

>  	trace_dpu_core_irq_unregister_callback(irq_idx, register_irq_cb);

>  	list_del_init(&register_irq_cb->list);

>  	/* empty callback list but interrupt is still enabled */

> -	if (list_empty(&dpu_kms->irq_obj.irq_cb_tbl[irq_idx])) {

> +	if (list_empty(&dpu_kms->hw_intr->irq_cb_tbl[irq_idx])) {

>  		int ret = dpu_hw_intr_disable_irq_locked(

>  				dpu_kms->hw_intr,

>  				irq_idx);

> @@ -515,19 +518,18 @@ int dpu_core_irq_unregister_callback(struct

> dpu_kms *dpu_kms, int irq_idx,

>  static int dpu_debugfs_core_irq_show(struct seq_file *s, void *v)

>  {

>  	struct dpu_kms *dpu_kms = s->private;

> -	struct dpu_irq *irq_obj = &dpu_kms->irq_obj;

>  	struct dpu_irq_callback *cb;

>  	unsigned long irq_flags;

>  	int i, irq_count, cb_count;

> 

> -	if (WARN_ON(!irq_obj->irq_cb_tbl))

> +	if (WARN_ON(!dpu_kms->hw_intr->irq_cb_tbl))

>  		return 0;

> 

> -	for (i = 0; i < irq_obj->total_irqs; i++) {

> +	for (i = 0; i < dpu_kms->hw_intr->total_irqs; i++) {

>  		spin_lock_irqsave(&dpu_kms->hw_intr->irq_lock, irq_flags);

>  		cb_count = 0;

> -		irq_count = atomic_read(&irq_obj->irq_counts[i]);

> -		list_for_each_entry(cb, &irq_obj->irq_cb_tbl[i], list)

> +		irq_count = atomic_read(&dpu_kms->hw_intr->irq_counts[i]);

> +		list_for_each_entry(cb, &dpu_kms->hw_intr->irq_cb_tbl[i], list)

>  			cb_count++;

>  		spin_unlock_irqrestore(&dpu_kms->hw_intr->irq_lock, irq_flags);

> 

> @@ -559,14 +561,13 @@ void dpu_core_irq_preinstall(struct dpu_kms 

> *dpu_kms)

>  	pm_runtime_put_sync(&dpu_kms->pdev->dev);

> 

>  	/* Create irq callbacks for all possible irq_idx */

> -	dpu_kms->irq_obj.total_irqs = dpu_kms->hw_intr->total_irqs;

> -	dpu_kms->irq_obj.irq_cb_tbl = kcalloc(dpu_kms->irq_obj.total_irqs,

> +	dpu_kms->hw_intr->irq_cb_tbl = kcalloc(dpu_kms->hw_intr->total_irqs,

>  			sizeof(struct list_head), GFP_KERNEL);

> -	dpu_kms->irq_obj.irq_counts = kcalloc(dpu_kms->irq_obj.total_irqs,

> +	dpu_kms->hw_intr->irq_counts = kcalloc(dpu_kms->hw_intr->total_irqs,

>  			sizeof(atomic_t), GFP_KERNEL);

> -	for (i = 0; i < dpu_kms->irq_obj.total_irqs; i++) {

> -		INIT_LIST_HEAD(&dpu_kms->irq_obj.irq_cb_tbl[i]);

> -		atomic_set(&dpu_kms->irq_obj.irq_counts[i], 0);

> +	for (i = 0; i < dpu_kms->hw_intr->total_irqs; i++) {

> +		INIT_LIST_HEAD(&dpu_kms->hw_intr->irq_cb_tbl[i]);

> +		atomic_set(&dpu_kms->hw_intr->irq_counts[i], 0);

>  	}

>  }

> 

> @@ -575,17 +576,11 @@ void dpu_core_irq_uninstall(struct dpu_kms 

> *dpu_kms)

>  	int i;

> 

>  	pm_runtime_get_sync(&dpu_kms->pdev->dev);

> -	for (i = 0; i < dpu_kms->irq_obj.total_irqs; i++)

> -		if (!list_empty(&dpu_kms->irq_obj.irq_cb_tbl[i]))

> +	for (i = 0; i < dpu_kms->hw_intr->total_irqs; i++)

> +		if (!list_empty(&dpu_kms->hw_intr->irq_cb_tbl[i]))

>  			DPU_ERROR("irq_idx=%d still enabled/registered\n", i);

> 

>  	dpu_clear_irqs(dpu_kms);

>  	dpu_disable_all_irqs(dpu_kms);

>  	pm_runtime_put_sync(&dpu_kms->pdev->dev);

> -

> -	kfree(dpu_kms->irq_obj.irq_cb_tbl);

> -	kfree(dpu_kms->irq_obj.irq_counts);

> -	dpu_kms->irq_obj.irq_cb_tbl = NULL;

> -	dpu_kms->irq_obj.irq_counts = NULL;

> -	dpu_kms->irq_obj.total_irqs = 0;

>  }

> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h

> b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h

> index 99ab01f54aa6..d50e78c9f148 100644

> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h

> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h

> @@ -40,6 +40,8 @@ enum dpu_hw_intr_reg {

>   * @save_irq_status:  array of IRQ status reg storage created during 

> init

>   * @total_irqs: total number of irq_idx mapped in the hw_interrupts

>   * @irq_lock:         spinlock for accessing IRQ resources

> + * @irq_cb_tbl:       array of IRQ callbacks lists

> + * @irq_counts:       array of IRQ counts

>   */

>  struct dpu_hw_intr {

>  	struct dpu_hw_blk_reg_map hw;

> @@ -48,6 +50,9 @@ struct dpu_hw_intr {

>  	u32 total_irqs;

>  	spinlock_t irq_lock;

>  	unsigned long irq_mask;

> +

> +	struct list_head *irq_cb_tbl;

> +	atomic_t *irq_counts;

>  };

> 

>  /**

> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h

> b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h

> index 323a6bce9e64..775bcbda860f 100644

> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h

> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h

> @@ -78,18 +78,6 @@ struct dpu_irq_callback {

>  	void *arg;

>  };

> 

> -/**

> - * struct dpu_irq: IRQ structure contains callback registration info

> - * @total_irq:    total number of irq_idx obtained from HW interrupts 

> mapping

> - * @irq_cb_tbl:   array of IRQ callbacks setting

> - * @debugfs_file: debugfs file for irq statistics

> - */

> -struct dpu_irq {

> -	u32 total_irqs;

> -	struct list_head *irq_cb_tbl;

> -	atomic_t *irq_counts;

> -};

> -

>  struct dpu_kms {

>  	struct msm_kms base;

>  	struct drm_device *dev;

> @@ -104,7 +92,6 @@ struct dpu_kms {

>  	struct regulator *venus;

> 

>  	struct dpu_hw_intr *hw_intr;

> -	struct dpu_irq irq_obj;

> 

>  	struct dpu_core_perf perf;
diff mbox series

Patch

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 28e9b0d448db..d2b6dca487e3 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c
@@ -127,20 +127,19 @@  static const struct dpu_intr_reg dpu_intr_set[] = {
  */
 static void dpu_core_irq_callback_handler(struct dpu_kms *dpu_kms, int irq_idx)
 {
-	struct dpu_irq *irq_obj = &dpu_kms->irq_obj;
 	struct dpu_irq_callback *cb;
 
 	VERB("irq_idx=%d\n", irq_idx);
 
-	if (list_empty(&irq_obj->irq_cb_tbl[irq_idx]))
+	if (list_empty(&dpu_kms->hw_intr->irq_cb_tbl[irq_idx]))
 		DRM_ERROR("no registered cb, idx:%d\n", irq_idx);
 
-	atomic_inc(&irq_obj->irq_counts[irq_idx]);
+	atomic_inc(&dpu_kms->hw_intr->irq_counts[irq_idx]);
 
 	/*
 	 * Perform registered function callback
 	 */
-	list_for_each_entry(cb, &irq_obj->irq_cb_tbl[irq_idx], list)
+	list_for_each_entry(cb, &dpu_kms->hw_intr->irq_cb_tbl[irq_idx], list)
 		if (cb->func)
 			cb->func(cb->arg, irq_idx);
 }
@@ -420,6 +419,10 @@  void dpu_hw_intr_destroy(struct dpu_hw_intr *intr)
 {
 	if (intr) {
 		kfree(intr->cache_irq_mask);
+
+		kfree(intr->irq_cb_tbl);
+		kfree(intr->irq_counts);
+
 		kfree(intr);
 	}
 }
@@ -429,7 +432,7 @@  int dpu_core_irq_register_callback(struct dpu_kms *dpu_kms, int irq_idx,
 {
 	unsigned long irq_flags;
 
-	if (!dpu_kms->irq_obj.irq_cb_tbl) {
+	if (!dpu_kms->hw_intr->irq_cb_tbl) {
 		DPU_ERROR("invalid params\n");
 		return -EINVAL;
 	}
@@ -453,9 +456,9 @@  int dpu_core_irq_register_callback(struct dpu_kms *dpu_kms, int irq_idx,
 	trace_dpu_core_irq_register_callback(irq_idx, register_irq_cb);
 	list_del_init(&register_irq_cb->list);
 	list_add_tail(&register_irq_cb->list,
-			&dpu_kms->irq_obj.irq_cb_tbl[irq_idx]);
+			&dpu_kms->hw_intr->irq_cb_tbl[irq_idx]);
 	if (list_is_first(&register_irq_cb->list,
-			&dpu_kms->irq_obj.irq_cb_tbl[irq_idx])) {
+			&dpu_kms->hw_intr->irq_cb_tbl[irq_idx])) {
 		int ret = dpu_hw_intr_enable_irq_locked(
 				dpu_kms->hw_intr,
 				irq_idx);
@@ -473,7 +476,7 @@  int dpu_core_irq_unregister_callback(struct dpu_kms *dpu_kms, int irq_idx,
 {
 	unsigned long irq_flags;
 
-	if (!dpu_kms->irq_obj.irq_cb_tbl) {
+	if (!dpu_kms->hw_intr->irq_cb_tbl) {
 		DPU_ERROR("invalid params\n");
 		return -EINVAL;
 	}
@@ -497,7 +500,7 @@  int dpu_core_irq_unregister_callback(struct dpu_kms *dpu_kms, int irq_idx,
 	trace_dpu_core_irq_unregister_callback(irq_idx, register_irq_cb);
 	list_del_init(&register_irq_cb->list);
 	/* empty callback list but interrupt is still enabled */
-	if (list_empty(&dpu_kms->irq_obj.irq_cb_tbl[irq_idx])) {
+	if (list_empty(&dpu_kms->hw_intr->irq_cb_tbl[irq_idx])) {
 		int ret = dpu_hw_intr_disable_irq_locked(
 				dpu_kms->hw_intr,
 				irq_idx);
@@ -515,19 +518,18 @@  int dpu_core_irq_unregister_callback(struct dpu_kms *dpu_kms, int irq_idx,
 static int dpu_debugfs_core_irq_show(struct seq_file *s, void *v)
 {
 	struct dpu_kms *dpu_kms = s->private;
-	struct dpu_irq *irq_obj = &dpu_kms->irq_obj;
 	struct dpu_irq_callback *cb;
 	unsigned long irq_flags;
 	int i, irq_count, cb_count;
 
-	if (WARN_ON(!irq_obj->irq_cb_tbl))
+	if (WARN_ON(!dpu_kms->hw_intr->irq_cb_tbl))
 		return 0;
 
-	for (i = 0; i < irq_obj->total_irqs; i++) {
+	for (i = 0; i < dpu_kms->hw_intr->total_irqs; i++) {
 		spin_lock_irqsave(&dpu_kms->hw_intr->irq_lock, irq_flags);
 		cb_count = 0;
-		irq_count = atomic_read(&irq_obj->irq_counts[i]);
-		list_for_each_entry(cb, &irq_obj->irq_cb_tbl[i], list)
+		irq_count = atomic_read(&dpu_kms->hw_intr->irq_counts[i]);
+		list_for_each_entry(cb, &dpu_kms->hw_intr->irq_cb_tbl[i], list)
 			cb_count++;
 		spin_unlock_irqrestore(&dpu_kms->hw_intr->irq_lock, irq_flags);
 
@@ -559,14 +561,13 @@  void dpu_core_irq_preinstall(struct dpu_kms *dpu_kms)
 	pm_runtime_put_sync(&dpu_kms->pdev->dev);
 
 	/* Create irq callbacks for all possible irq_idx */
-	dpu_kms->irq_obj.total_irqs = dpu_kms->hw_intr->total_irqs;
-	dpu_kms->irq_obj.irq_cb_tbl = kcalloc(dpu_kms->irq_obj.total_irqs,
+	dpu_kms->hw_intr->irq_cb_tbl = kcalloc(dpu_kms->hw_intr->total_irqs,
 			sizeof(struct list_head), GFP_KERNEL);
-	dpu_kms->irq_obj.irq_counts = kcalloc(dpu_kms->irq_obj.total_irqs,
+	dpu_kms->hw_intr->irq_counts = kcalloc(dpu_kms->hw_intr->total_irqs,
 			sizeof(atomic_t), GFP_KERNEL);
-	for (i = 0; i < dpu_kms->irq_obj.total_irqs; i++) {
-		INIT_LIST_HEAD(&dpu_kms->irq_obj.irq_cb_tbl[i]);
-		atomic_set(&dpu_kms->irq_obj.irq_counts[i], 0);
+	for (i = 0; i < dpu_kms->hw_intr->total_irqs; i++) {
+		INIT_LIST_HEAD(&dpu_kms->hw_intr->irq_cb_tbl[i]);
+		atomic_set(&dpu_kms->hw_intr->irq_counts[i], 0);
 	}
 }
 
@@ -575,17 +576,11 @@  void dpu_core_irq_uninstall(struct dpu_kms *dpu_kms)
 	int i;
 
 	pm_runtime_get_sync(&dpu_kms->pdev->dev);
-	for (i = 0; i < dpu_kms->irq_obj.total_irqs; i++)
-		if (!list_empty(&dpu_kms->irq_obj.irq_cb_tbl[i]))
+	for (i = 0; i < dpu_kms->hw_intr->total_irqs; i++)
+		if (!list_empty(&dpu_kms->hw_intr->irq_cb_tbl[i]))
 			DPU_ERROR("irq_idx=%d still enabled/registered\n", i);
 
 	dpu_clear_irqs(dpu_kms);
 	dpu_disable_all_irqs(dpu_kms);
 	pm_runtime_put_sync(&dpu_kms->pdev->dev);
-
-	kfree(dpu_kms->irq_obj.irq_cb_tbl);
-	kfree(dpu_kms->irq_obj.irq_counts);
-	dpu_kms->irq_obj.irq_cb_tbl = NULL;
-	dpu_kms->irq_obj.irq_counts = NULL;
-	dpu_kms->irq_obj.total_irqs = 0;
 }
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h
index 99ab01f54aa6..d50e78c9f148 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h
@@ -40,6 +40,8 @@  enum dpu_hw_intr_reg {
  * @save_irq_status:  array of IRQ status reg storage created during init
  * @total_irqs: total number of irq_idx mapped in the hw_interrupts
  * @irq_lock:         spinlock for accessing IRQ resources
+ * @irq_cb_tbl:       array of IRQ callbacks lists
+ * @irq_counts:       array of IRQ counts
  */
 struct dpu_hw_intr {
 	struct dpu_hw_blk_reg_map hw;
@@ -48,6 +50,9 @@  struct dpu_hw_intr {
 	u32 total_irqs;
 	spinlock_t irq_lock;
 	unsigned long irq_mask;
+
+	struct list_head *irq_cb_tbl;
+	atomic_t *irq_counts;
 };
 
 /**
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
index 323a6bce9e64..775bcbda860f 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
@@ -78,18 +78,6 @@  struct dpu_irq_callback {
 	void *arg;
 };
 
-/**
- * struct dpu_irq: IRQ structure contains callback registration info
- * @total_irq:    total number of irq_idx obtained from HW interrupts mapping
- * @irq_cb_tbl:   array of IRQ callbacks setting
- * @debugfs_file: debugfs file for irq statistics
- */
-struct dpu_irq {
-	u32 total_irqs;
-	struct list_head *irq_cb_tbl;
-	atomic_t *irq_counts;
-};
-
 struct dpu_kms {
 	struct msm_kms base;
 	struct drm_device *dev;
@@ -104,7 +92,6 @@  struct dpu_kms {
 	struct regulator *venus;
 
 	struct dpu_hw_intr *hw_intr;
-	struct dpu_irq irq_obj;
 
 	struct dpu_core_perf perf;