diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_atomic.c')
-rw-r--r-- | drivers/gpu/drm/msm/msm_atomic.c | 29 |
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. |