Re: [Freedreno] [PATCH 12/25] drm/msm/dpu: remove mode_set_complete

2018-10-10 Thread Sean Paul
On Mon, Oct 08, 2018 at 09:27:29PM -0700, Jeykumar Sankaran wrote:
> This flag was introduced as a fix to notify modeset complete
> when hw reservations were happening in both atomic_check
> and atomic_commit paths. Now that we are reserving only in
> atomic_check, we can get rid of this flag.
> 
> Signed-off-by: Jeykumar Sankaran 

Reviewed-by: Sean Paul 

> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 19 +++
>  1 file changed, 3 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c 
> b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> index dd482ca..468b8fd0 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> @@ -167,7 +167,6 @@ enum dpu_enc_rc_states {
>   *   clks and resources after IDLE_TIMEOUT time.
>   * @vsync_event_work:worker to handle vsync event for 
> autorefresh
>   * @topology:   topology of the display
> - * @mode_set_complete:  flag to indicate modeset completion
>   * @idle_timeout:idle timeout duration in milliseconds
>   */
>  struct dpu_encoder_virt {
> @@ -204,7 +203,6 @@ struct dpu_encoder_virt {
>   struct kthread_delayed_work delayed_off_work;
>   struct kthread_work vsync_event_work;
>   struct msm_display_topology topology;
> - bool mode_set_complete;
>  
>   u32 idle_timeout;
>  };
> @@ -636,18 +634,9 @@ static int dpu_encoder_virt_atomic_check(
>  
>   topology = dpu_encoder_get_topology(dpu_enc, dpu_kms, adj_mode);
>  
> - if (!ret) {
> - /*
> -  * Avoid reserving resources when mode set is pending. Topology
> -  * info may not be available to complete reservation.
> -  */
> - if (drm_atomic_crtc_needs_modeset(crtc_state)
> - && dpu_enc->mode_set_complete) {
> - ret = dpu_rm_reserve(&dpu_kms->rm, drm_enc, crtc_state,
> -  topology, false);
> - dpu_enc->mode_set_complete = false;
> - }
> - }
> + if (!ret && drm_atomic_crtc_needs_modeset(crtc_state))
> + ret = dpu_rm_reserve(&dpu_kms->rm, drm_enc, crtc_state,
> +  topology, false);
>  
>   if (!ret)
>   drm_mode_set_crtcinfo(adj_mode, 0);
> @@ -1060,8 +1049,6 @@ static void dpu_encoder_virt_mode_set(struct 
> drm_encoder *drm_enc,
>   phys->ops.mode_set(phys, mode, adj_mode);
>   }
>   }
> -
> - dpu_enc->mode_set_complete = true;
>  }
>  
>  static void _dpu_encoder_virt_enable_helper(struct drm_encoder *drm_enc)
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
> 

-- 
Sean Paul, Software Engineer, Google / Chromium OS
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[Freedreno] [PATCH 12/25] drm/msm/dpu: remove mode_set_complete

2018-10-08 Thread Jeykumar Sankaran
This flag was introduced as a fix to notify modeset complete
when hw reservations were happening in both atomic_check
and atomic_commit paths. Now that we are reserving only in
atomic_check, we can get rid of this flag.

Signed-off-by: Jeykumar Sankaran 
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 19 +++
 1 file changed, 3 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index dd482ca..468b8fd0 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -167,7 +167,6 @@ enum dpu_enc_rc_states {
  * clks and resources after IDLE_TIMEOUT time.
  * @vsync_event_work:  worker to handle vsync event for autorefresh
  * @topology:   topology of the display
- * @mode_set_complete:  flag to indicate modeset completion
  * @idle_timeout:  idle timeout duration in milliseconds
  */
 struct dpu_encoder_virt {
@@ -204,7 +203,6 @@ struct dpu_encoder_virt {
struct kthread_delayed_work delayed_off_work;
struct kthread_work vsync_event_work;
struct msm_display_topology topology;
-   bool mode_set_complete;
 
u32 idle_timeout;
 };
@@ -636,18 +634,9 @@ static int dpu_encoder_virt_atomic_check(
 
topology = dpu_encoder_get_topology(dpu_enc, dpu_kms, adj_mode);
 
-   if (!ret) {
-   /*
-* Avoid reserving resources when mode set is pending. Topology
-* info may not be available to complete reservation.
-*/
-   if (drm_atomic_crtc_needs_modeset(crtc_state)
-   && dpu_enc->mode_set_complete) {
-   ret = dpu_rm_reserve(&dpu_kms->rm, drm_enc, crtc_state,
-topology, false);
-   dpu_enc->mode_set_complete = false;
-   }
-   }
+   if (!ret && drm_atomic_crtc_needs_modeset(crtc_state))
+   ret = dpu_rm_reserve(&dpu_kms->rm, drm_enc, crtc_state,
+topology, false);
 
if (!ret)
drm_mode_set_crtcinfo(adj_mode, 0);
@@ -1060,8 +1049,6 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder 
*drm_enc,
phys->ops.mode_set(phys, mode, adj_mode);
}
}
-
-   dpu_enc->mode_set_complete = true;
 }
 
 static void _dpu_encoder_virt_enable_helper(struct drm_encoder *drm_enc)
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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