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Abort scanout_update_pending event when possible

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We don't need to wait for a non-TearFree scanout update before scanning
out from the screen pixmap or before flipping, as the scanout update
won't be visible anyway. Instead, just abort it.
This commit is contained in:
Michel Dänzer
2018-04-18 11:17:02 +02:00
committed by Michel Dänzer
parent 04a5c5f7cf
commit 36d01989cd
1 changed files with 8 additions and 4 deletions
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12
src/drmmode_display.c
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@@ -953,8 +953,8 @@ done:
if (drmmode_crtc->scanout[scanout_id].pixmap &&
fb != amdgpu_pixmap_get_fb(drmmode_crtc->
scanout[scanout_id].pixmap)) {
drmmode_crtc_wait_pending_event(drmmode_crtc, pAMDGPUEnt->fd,
drmmode_crtc->scanout_update_pending);
amdgpu_drm_abort_entry(drmmode_crtc->scanout_update_pending);
drmmode_crtc->scanout_update_pending = 0;
drmmode_crtc_scanout_free(drmmode_crtc);
} else if (!drmmode_crtc->tear_free) {
drmmode_crtc_scanout_destroy(drmmode,
@@ -3083,8 +3083,12 @@ Bool amdgpu_do_pageflip(ScrnInfoPtr scrn, ClientPtr client,
amdgpu_scanout_do_update(crtc, scanout_id, new_front,
extents);
drmmode_crtc_wait_pending_event(drmmode_crtc, pAMDGPUEnt->fd,
drmmode_crtc->scanout_update_pending);
if (drmmode_crtc->scanout_update_pending) {
drmmode_crtc_wait_pending_event(drmmode_crtc, pAMDGPUEnt->fd,
drmmode_crtc->flip_pending);
amdgpu_drm_abort_entry(drmmode_crtc->scanout_update_pending);
drmmode_crtc->scanout_update_pending = 0;
}
}
if (crtc == ref_crtc) {