Re: [PATCH 7/7] drm/msm/dpu: drop dpu_encoder_phys_ops.atomic_mode_set

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On 01/05/2023 02:57, Dmitry Baryshkov wrote:

The atomic_mode_set() callback only sets the phys_enc's IRQ data. As the
INTF and WB are statically allocated to each encoder/phys_enc, drop the
atomic_mode_set callback and set the IRQs during encoder init.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Please ignore this for now, I'd like to take another look on my own. I didn't test the CMD panels and they are going to break with this change. 


---
  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c   |  2 --
  .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h  |  5 -----
  .../drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c  | 20 +++++--------------
  .../drm/msm/disp/dpu1/dpu_encoder_phys_vid.c  | 13 ++----------
  .../drm/msm/disp/dpu1/dpu_encoder_phys_wb.c   | 11 +---------
  5 files changed, 8 insertions(+), 43 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index b35e92c658ad..509b4fc7dbc5 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -1106,8 +1106,6 @@ static void dpu_encoder_virt_atomic_mode_set(struct drm_encoder *drm_enc,
  		phys->hw_ctl = to_dpu_hw_ctl(hw_ctl[i]);
phys->cached_mode = crtc_state->adjusted_mode; 
-		if (phys->ops.atomic_mode_set)
-			phys->ops.atomic_mode_set(phys, crtc_state, conn_state);
  	}
  }
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h 
index 1c096d9390d0..67c4b4e0975d 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
@@ -68,8 +68,6 @@ struct dpu_encoder_phys;
   * @is_master:			Whether this phys_enc is the current master
   *				encoder. Can be switched at enable time. Based
   *				on split_role and current mode (CMD/VID).
- * @atomic_mode_set:		DRM Call. Set a DRM mode.
- *				This likely caches the mode, for use at enable.
   * @enable:			DRM Call. Enable a DRM mode.
   * @disable:			DRM Call. Disable mode.
   * @atomic_check:		DRM Call. Atomic check new DRM state.
@@ -97,9 +95,6 @@ struct dpu_encoder_phys_ops {
  			struct dentry *debugfs_root);
  	void (*prepare_commit)(struct dpu_encoder_phys *encoder);
  	bool (*is_master)(struct dpu_encoder_phys *encoder);
-	void (*atomic_mode_set)(struct dpu_encoder_phys *encoder,
-			struct drm_crtc_state *crtc_state,
-			struct drm_connector_state *conn_state);
  	void (*enable)(struct dpu_encoder_phys *encoder);
  	void (*disable)(struct dpu_encoder_phys *encoder);
  	int (*atomic_check)(struct dpu_encoder_phys *encoder,
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
index 781290f17714..3ad03465acfe 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
@@ -139,20 +139,6 @@ static void dpu_encoder_phys_cmd_underrun_irq(void *arg, int irq_idx)
  	dpu_encoder_underrun_callback(phys_enc->parent, phys_enc);
  }
-static void dpu_encoder_phys_cmd_atomic_mode_set( 
-		struct dpu_encoder_phys *phys_enc,
-		struct drm_crtc_state *crtc_state,
-		struct drm_connector_state *conn_state)
-{
-	phys_enc->irq[INTR_IDX_CTL_START] = phys_enc->hw_ctl->caps->intr_start;
-
-	phys_enc->irq[INTR_IDX_PINGPONG] = phys_enc->hw_pp->caps->intr_done;
-
-	phys_enc->irq[INTR_IDX_RDPTR] = phys_enc->hw_pp->caps->intr_rdptr;
-
-	phys_enc->irq[INTR_IDX_UNDERRUN] = phys_enc->hw_intf->cap->intr_underrun;
-}
-
  static int _dpu_encoder_phys_cmd_handle_ppdone_timeout(
  		struct dpu_encoder_phys *phys_enc)
  {
@@ -736,7 +722,6 @@ static void dpu_encoder_phys_cmd_init_ops(
  		struct dpu_encoder_phys_ops *ops)
  {
  	ops->is_master = dpu_encoder_phys_cmd_is_master;
-	ops->atomic_mode_set = dpu_encoder_phys_cmd_atomic_mode_set;
  	ops->enable = dpu_encoder_phys_cmd_enable;
  	ops->disable = dpu_encoder_phys_cmd_disable;
  	ops->destroy = dpu_encoder_phys_cmd_destroy;
@@ -777,6 +762,11 @@ struct dpu_encoder_phys *dpu_encoder_phys_cmd_init(
dpu_encoder_phys_cmd_init_ops(&phys_enc->ops); 
  	phys_enc->intf_mode = INTF_MODE_CMD;
+	phys_enc->irq[INTR_IDX_CTL_START] = phys_enc->hw_ctl->caps->intr_start;
+	phys_enc->irq[INTR_IDX_PINGPONG] = phys_enc->hw_pp->caps->intr_done;
+	phys_enc->irq[INTR_IDX_RDPTR] = phys_enc->hw_pp->caps->intr_rdptr;
+	phys_enc->irq[INTR_IDX_UNDERRUN] = phys_enc->hw_intf->cap->intr_underrun;
+
  	cmd_enc->stream_sel = 0;
atomic_set(&cmd_enc->pending_vblank_cnt, 0); 
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
index f02ff8f43f47..cf9a0128ff71 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
@@ -348,16 +348,6 @@ static bool dpu_encoder_phys_vid_needs_single_flush(
  	return phys_enc->split_role != ENC_ROLE_SOLO;
  }
-static void dpu_encoder_phys_vid_atomic_mode_set( 
-		struct dpu_encoder_phys *phys_enc,
-		struct drm_crtc_state *crtc_state,
-		struct drm_connector_state *conn_state)
-{
-	phys_enc->irq[INTR_IDX_VSYNC] = phys_enc->hw_intf->cap->intr_vsync;
-
-	phys_enc->irq[INTR_IDX_UNDERRUN] = phys_enc->hw_intf->cap->intr_underrun;
-}
-
  static int dpu_encoder_phys_vid_control_vblank_irq(
  		struct dpu_encoder_phys *phys_enc,
  		bool enable)
@@ -679,7 +669,6 @@ static int dpu_encoder_phys_vid_get_frame_count(
  static void dpu_encoder_phys_vid_init_ops(struct dpu_encoder_phys_ops *ops)
  {
  	ops->is_master = dpu_encoder_phys_vid_is_master;
-	ops->atomic_mode_set = dpu_encoder_phys_vid_atomic_mode_set;
  	ops->enable = dpu_encoder_phys_vid_enable;
  	ops->disable = dpu_encoder_phys_vid_disable;
  	ops->destroy = dpu_encoder_phys_vid_destroy;
@@ -720,6 +709,8 @@ struct dpu_encoder_phys *dpu_encoder_phys_vid_init(
dpu_encoder_phys_vid_init_ops(&phys_enc->ops); 
  	phys_enc->intf_mode = INTF_MODE_VIDEO;
+	phys_enc->irq[INTR_IDX_VSYNC] = phys_enc->hw_intf->cap->intr_vsync;
+	phys_enc->irq[INTR_IDX_UNDERRUN] = phys_enc->hw_intf->cap->intr_underrun;
DPU_DEBUG_VIDENC(phys_enc, "created intf idx:%d\n", p->hw_intf->idx); diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c 
index b058c69e8778..27479334176b 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c
@@ -398,15 +398,6 @@ static void dpu_encoder_phys_wb_irq_ctrl(
  		dpu_core_irq_unregister_callback(phys->dpu_kms, phys->irq[INTR_IDX_WB_DONE]);
  }
-static void dpu_encoder_phys_wb_atomic_mode_set( 
-		struct dpu_encoder_phys *phys_enc,
-		struct drm_crtc_state *crtc_state,
-		struct drm_connector_state *conn_state)
-{
-
-	phys_enc->irq[INTR_IDX_WB_DONE] = phys_enc->hw_wb->caps->intr_wb_done;
-}
-
  static void _dpu_encoder_phys_wb_handle_wbdone_timeout(
  		struct dpu_encoder_phys *phys_enc)
  {
@@ -656,7 +647,6 @@ static bool dpu_encoder_phys_wb_is_valid_for_commit(struct dpu_encoder_phys *phy
  static void dpu_encoder_phys_wb_init_ops(struct dpu_encoder_phys_ops *ops)
  {
  	ops->is_master = dpu_encoder_phys_wb_is_master;
-	ops->atomic_mode_set = dpu_encoder_phys_wb_atomic_mode_set;
  	ops->enable = dpu_encoder_phys_wb_enable;
  	ops->disable = dpu_encoder_phys_wb_disable;
  	ops->destroy = dpu_encoder_phys_wb_destroy;
@@ -707,6 +697,7 @@ struct dpu_encoder_phys *dpu_encoder_phys_wb_init(
dpu_encoder_phys_wb_init_ops(&phys_enc->ops); 
  	phys_enc->intf_mode = INTF_MODE_WB_LINE;
+	phys_enc->irq[INTR_IDX_WB_DONE] = phys_enc->hw_wb->caps->intr_wb_done;
atomic_set(&wb_enc->wbirq_refcount, 0); 

--
With best wishes
Dmitry
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