diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_atomic.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_atomic.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c index 5b192128cda2..84c0a72b446b 100644 --- a/drivers/gpu/drm/msm/msm_atomic.c +++ b/drivers/gpu/drm/msm/msm_atomic.c @@ -84,6 +84,33 @@ static void commit_destroy(struct msm_commit *c) kfree(c); } +static void msm_atomic_wait_for_commit_done(struct drm_device *dev, + struct drm_atomic_state *old_state) +{ + struct drm_crtc *crtc; + struct msm_drm_private *priv = old_state->dev->dev_private; + struct msm_kms *kms = priv->kms; + int ncrtcs = old_state->dev->mode_config.num_crtc; + int i; + + for (i = 0; i < ncrtcs; i++) { + crtc = old_state->crtcs[i]; + + if (!crtc) + continue; + + if (!crtc->state->enable) + continue; + + /* Legacy cursor ioctls are completely unsynced, and userspace + * relies on that (by doing tons of cursor updates). */ + if (old_state->legacy_cursor_update) + continue; + + kms->funcs->wait_for_crtc_commit_done(kms, crtc); + } +} + /* The (potentially) asynchronous part of the commit. At this point * nothing can fail short of armageddon. */ @@ -115,7 +142,7 @@ static void complete_commit(struct msm_commit *c) * not be critical path) */ - drm_atomic_helper_wait_for_vblanks(dev, state); + msm_atomic_wait_for_commit_done(dev, state); drm_atomic_helper_cleanup_planes(dev, state); @@ -139,7 +166,6 @@ static void add_fb(struct msm_commit *c, struct drm_framebuffer *fb) c->fence = max(c->fence, msm_gem_fence(to_msm_bo(obj), MSM_PREP_READ)); } - int msm_atomic_check(struct drm_device *dev, struct drm_atomic_state *state) { |