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Bail early from drm_wait_pending_flip if there's no pending flip

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No need to process any events in that case.

(Ported from amdgpu commit ca5eb9894fff153c0a1df7bdc4a4745713309e27)
This commit is contained in:
Michel Dänzer 2018-09-07 18:16:22 +02:00 • committed by Michel Dänzer
commit 5d5d883496
1 changed files with 2 additions and 1 deletions
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3
src/radeon_drm_queue.c
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@ -284,7 +284,8 @@ void radeon_drm_wait_pending_flip(xf86CrtcPtr crtc)
drmmode_crtc->wait_flip_nesting_level++;
while (!xorg_list_is_empty(&radeon_drm_flip_signalled)) {
while (drmmode_crtc->flip_pending &&
!xorg_list_is_empty(&radeon_drm_flip_signalled)) {
e = xorg_list_first_entry(&radeon_drm_flip_signalled,
struct radeon_drm_queue_entry, list);
radeon_drm_queue_handle_one(e);