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drm/msm/atomic: Switch to vblank_start helper

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Drop our custom thing and switch to drm_crtc_next_vblank_start() for
calculating the time of the start of the next vblank period.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/525819/
Link: https://lore.kernel.org/r/20230308155322.344664-15-robdclark@gmail.com
This commit is contained in:
Rob Clark 2023-03-08 07:53:05 -08:00
parent b5a24e13c8
commit 52ff0d3073
3 changed files with 5 additions and 26 deletions
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15
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
View File

@ -411,20 +411,6 @@ static void dpu_kms_disable_commit(struct msm_kms *kms)
pm_runtime_put_sync(&dpu_kms->pdev->dev);
}
static ktime_t dpu_kms_vsync_time(struct msm_kms *kms, struct drm_crtc *crtc)
{
struct drm_encoder *encoder;
drm_for_each_encoder_mask(encoder, crtc->dev, crtc->state->encoder_mask) {
ktime_t vsync_time;
if (dpu_encoder_vsync_time(encoder, &vsync_time) == 0)
return vsync_time;
}
return ktime_get();
}
static void dpu_kms_prepare_commit(struct msm_kms *kms,
struct drm_atomic_state *state)
{
@ -953,7 +939,6 @@ static const struct msm_kms_funcs kms_funcs = {
.irq = dpu_core_irq,
.enable_commit = dpu_kms_enable_commit,
.disable_commit = dpu_kms_disable_commit,
.vsync_time = dpu_kms_vsync_time,
.prepare_commit = dpu_kms_prepare_commit,
.flush_commit = dpu_kms_flush_commit,
.wait_flush = dpu_kms_wait_flush,

8
drivers/gpu/drm/msm/msm_atomic.c
View File

@ -186,8 +186,7 @@ void msm_atomic_commit_tail(struct drm_atomic_state *state)
struct msm_kms *kms = priv->kms;
struct drm_crtc *async_crtc = NULL;
unsigned crtc_mask = get_crtc_mask(state);
bool async = kms->funcs->vsync_time &&
can_do_async(state, &async_crtc);
bool async = can_do_async(state, &async_crtc);
trace_msm_atomic_commit_tail_start(async, crtc_mask);
@ -231,7 +230,9 @@ void msm_atomic_commit_tail(struct drm_atomic_state *state)
kms->pending_crtc_mask |= crtc_mask;
vsync_time = kms->funcs->vsync_time(kms, async_crtc);
if (drm_crtc_next_vblank_start(async_crtc, &vsync_time))
goto fallback;
wakeup_time = ktime_sub(vsync_time, ms_to_ktime(1));
msm_hrtimer_queue_work(&timer->work, wakeup_time,
@ -253,6 +254,7 @@ void msm_atomic_commit_tail(struct drm_atomic_state *state)
return;
}
fallback:
/*
* If there is any async flush pending on updated crtcs, fold
* them into the current flush.

8
drivers/gpu/drm/msm/msm_kms.h
View File

@ -59,14 +59,6 @@ struct msm_kms_funcs {
void (*enable_commit)(struct msm_kms *kms);
void (*disable_commit)(struct msm_kms *kms);
/**
* If the kms backend supports async commit, it should implement
* this method to return the time of the next vsync. This is
* used to determine a time slightly before vsync, for the async
* commit timer to run and complete an async commit.
*/
ktime_t (*vsync_time)(struct msm_kms *kms, struct drm_crtc *crtc);
/**
* Prepare for atomic commit. This is called after any previous
* (async or otherwise) commit has completed.