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SubjectRe: [PATCH 05/10] drm/msm: convert kms->complete_commit() to crtc_mask
On Thu, Aug 29, 2019 at 09:45:13AM -0700, Rob Clark wrote:
> From: Rob Clark <robdclark@chromium.org>
>
> Prep work for async commits, in which case this will be called after we
> no longer have the atomic state object.
>
> This drops some wait_for_vblanks(), but those should be unnecessary, as
> we call this after waiting for flush to complete.
>
> Signed-off-by: Rob Clark <robdclark@chromium.org>

Reviewed-by: Sean Paul <sean@poorly.run>

> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 7 +------
> drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h | 4 +---
> drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 20 ++++----------------
> drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c | 8 ++------
> drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c | 4 +---
> drivers/gpu/drm/msm/msm_atomic.c | 2 +-
> drivers/gpu/drm/msm/msm_kms.h | 2 +-
> 7 files changed, 11 insertions(+), 36 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> index e7354aef9805..31debd31ab8c 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> @@ -389,13 +389,8 @@ static void dpu_crtc_frame_event_cb(void *data, u32 event)
> kthread_queue_work(&priv->event_thread[crtc_id].worker, &fevent->work);
> }
>
> -void dpu_crtc_complete_commit(struct drm_crtc *crtc,
> - struct drm_crtc_state *old_state)
> +void dpu_crtc_complete_commit(struct drm_crtc *crtc)
> {
> - if (!crtc || !crtc->state) {
> - DPU_ERROR("invalid crtc\n");
> - return;
> - }
> trace_dpu_crtc_complete_commit(DRMID(crtc));
> }
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h
> index 10f78459f6c2..5174e86124cc 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h
> @@ -244,10 +244,8 @@ void dpu_crtc_commit_kickoff(struct drm_crtc *crtc);
> /**
> * dpu_crtc_complete_commit - callback signalling completion of current commit
> * @crtc: Pointer to drm crtc object
> - * @old_state: Pointer to drm crtc old state object
> */
> -void dpu_crtc_complete_commit(struct drm_crtc *crtc,
> - struct drm_crtc_state *old_state);
> +void dpu_crtc_complete_commit(struct drm_crtc *crtc);
>
> /**
> * dpu_crtc_init - create a new crtc object
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> index df421b986bc3..606815e50625 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
> @@ -320,27 +320,15 @@ static void dpu_kms_commit(struct msm_kms *kms, struct drm_atomic_state *state)
> }
> }
>
> -static void dpu_kms_complete_commit(struct msm_kms *kms,
> - struct drm_atomic_state *old_state)
> +static void dpu_kms_complete_commit(struct msm_kms *kms, unsigned crtc_mask)
> {
> - struct dpu_kms *dpu_kms;
> - struct msm_drm_private *priv;
> + struct dpu_kms *dpu_kms = to_dpu_kms(kms);
> struct drm_crtc *crtc;
> - struct drm_crtc_state *old_crtc_state;
> - int i;
> -
> - if (!kms || !old_state)
> - return;
> - dpu_kms = to_dpu_kms(kms);
> -
> - if (!dpu_kms->dev || !dpu_kms->dev->dev_private)
> - return;
> - priv = dpu_kms->dev->dev_private;
>
> DPU_ATRACE_BEGIN("kms_complete_commit");
>
> - for_each_old_crtc_in_state(old_state, crtc, old_crtc_state, i)
> - dpu_crtc_complete_commit(crtc, old_crtc_state);
> + for_each_crtc_mask(dpu_kms->dev, crtc, crtc_mask)
> + dpu_crtc_complete_commit(crtc);
>
> pm_runtime_put_sync(&dpu_kms->pdev->dev);
>
> diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
> index 32dcb1d7860c..a6a056df5878 100644
> --- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
> +++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c
> @@ -116,17 +116,13 @@ static void mdp4_wait_flush(struct msm_kms *kms, unsigned crtc_mask)
> mdp4_crtc_wait_for_commit_done(crtc);
> }
>
> -static void mdp4_complete_commit(struct msm_kms *kms, struct drm_atomic_state *state)
> +static void mdp4_complete_commit(struct msm_kms *kms, unsigned crtc_mask)
> {
> struct mdp4_kms *mdp4_kms = to_mdp4_kms(to_mdp_kms(kms));
> - int i;
> struct drm_crtc *crtc;
> - struct drm_crtc_state *crtc_state;
> -
> - drm_atomic_helper_wait_for_vblanks(mdp4_kms->dev, state);
>
> /* see 119ecb7fd */
> - for_each_new_crtc_in_state(state, crtc, crtc_state, i)
> + for_each_crtc_mask(mdp4_kms->dev, crtc, crtc_mask)
> drm_crtc_vblank_put(crtc);
>
> mdp4_disable(mdp4_kms);
> diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
> index 440e000c8c3d..7a19526eef50 100644
> --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
> +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
> @@ -163,14 +163,12 @@ static void mdp5_wait_flush(struct msm_kms *kms, unsigned crtc_mask)
> mdp5_crtc_wait_for_commit_done(crtc);
> }
>
> -static void mdp5_complete_commit(struct msm_kms *kms, struct drm_atomic_state *state)
> +static void mdp5_complete_commit(struct msm_kms *kms, unsigned crtc_mask)
> {
> struct mdp5_kms *mdp5_kms = to_mdp5_kms(to_mdp_kms(kms));
> struct device *dev = &mdp5_kms->pdev->dev;
> struct mdp5_global_state *global_state;
>
> - drm_atomic_helper_wait_for_vblanks(mdp5_kms->dev, state);
> -
> global_state = mdp5_get_existing_global_state(mdp5_kms);
>
> if (mdp5_kms->smp)
> diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c
> index 4ca4b654c221..bdcc92fbacb3 100644
> --- a/drivers/gpu/drm/msm/msm_atomic.c
> +++ b/drivers/gpu/drm/msm/msm_atomic.c
> @@ -66,7 +66,7 @@ void msm_atomic_commit_tail(struct drm_atomic_state *state)
> }
>
> kms->funcs->wait_flush(kms, crtc_mask);
> - kms->funcs->complete_commit(kms, state);
> + kms->funcs->complete_commit(kms, crtc_mask);
>
> drm_atomic_helper_commit_hw_done(state);
>
> diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h
> index a112dfb36301..10dd171b43f8 100644
> --- a/drivers/gpu/drm/msm/msm_kms.h
> +++ b/drivers/gpu/drm/msm/msm_kms.h
> @@ -33,7 +33,7 @@ struct msm_kms_funcs {
> /* modeset, bracketing atomic_commit(): */
> void (*prepare_commit)(struct msm_kms *kms, struct drm_atomic_state *state);
> void (*commit)(struct msm_kms *kms, struct drm_atomic_state *state);
> - void (*complete_commit)(struct msm_kms *kms, struct drm_atomic_state *state);
> + void (*complete_commit)(struct msm_kms *kms, unsigned crtc_mask);
> void (*wait_flush)(struct msm_kms *kms, unsigned crtc_mask);
>
> /* get msm_format w/ optional format modifiers from drm_mode_fb_cmd2 */
> --
> 2.21.0
>

--
Sean Paul, Software Engineer, Google / Chromium OS

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