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path: root/drivers/gpu/drm/msm/msm_atomic.c
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Diffstat (limited to 'drivers/gpu/drm/msm/msm_atomic.c')
-rw-r--r--drivers/gpu/drm/msm/msm_atomic.c29
1 files changed, 25 insertions, 4 deletions
diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c
index 1686fbb611fd..d77fa9793c54 100644
--- a/drivers/gpu/drm/msm/msm_atomic.c
+++ b/drivers/gpu/drm/msm/msm_atomic.c
@@ -179,6 +179,24 @@ static unsigned get_crtc_mask(struct drm_atomic_state *state)
return mask;
}
+int msm_atomic_check(struct drm_device *dev, struct drm_atomic_state *state)
+{
+ struct drm_crtc_state *old_crtc_state, *new_crtc_state;
+ struct drm_crtc *crtc;
+ int i;
+
+ for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state,
+ new_crtc_state, i) {
+ if ((old_crtc_state->ctm && !new_crtc_state->ctm) ||
+ (!old_crtc_state->ctm && new_crtc_state->ctm)) {
+ new_crtc_state->mode_changed = true;
+ state->allow_modeset = true;
+ }
+ }
+
+ return drm_atomic_helper_check(dev, state);
+}
+
void msm_atomic_commit_tail(struct drm_atomic_state *state)
{
struct drm_device *dev = state->dev;
@@ -186,8 +204,7 @@ 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);
@@ -206,7 +223,8 @@ void msm_atomic_commit_tail(struct drm_atomic_state *state)
* Now that there is no in-progress flush, prepare the
* current update:
*/
- kms->funcs->prepare_commit(kms, state);
+ if (kms->funcs->prepare_commit)
+ kms->funcs->prepare_commit(kms, state);
/*
* Push atomic updates down to hardware:
@@ -231,7 +249,9 @@ 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 +273,7 @@ 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.