XLibre/xf86-video-amdgpu
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Prefer crtc of primary output for synchronization when screen has to crtcs with the same coverage

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This is adjusting randr_crtc_covering_drawable to cover scenario fixed in
9151f3b1c2ebcc34e63195888ba696f2183ba5e2

Signed-off-by: Łukasz Spintzyk <lukasz.spintzyk@synaptics.com>
Signed-off-by: Shashank Sharma <contactshashanksharma@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Lukasz Spintzyk
2021-06-21 11:41:40 +02:00
committed by Shashank Sharma
parent 92fb43b8e9
commit e39a3ee07c
1 changed files with 10 additions and 2 deletions
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12
src/amdgpu_video.c
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@@ -172,13 +172,16 @@ static RRCrtcPtr
amdgpu_crtc_covering_box(ScreenPtr pScreen, BoxPtr box, Bool screen_is_xf86_hint)
{
rrScrPrivPtr pScrPriv;
RRCrtcPtr crtc, best_crtc;
RRCrtcPtr crtc, best_crtc, primary_crtc;
int coverage, best_coverage;
int c;
BoxRec crtc_box, cover_box;
RROutputPtr primary_output;
best_crtc = NULL;
best_coverage = 0;
primary_crtc = NULL;
primary_output = NULL;
if (!dixPrivateKeyRegistered(rrPrivKey))
return NULL;
@@ -188,6 +191,10 @@ amdgpu_crtc_covering_box(ScreenPtr pScreen, BoxPtr box, Bool screen_is_xf86_hint
if (!pScrPriv)
return NULL;
primary_output = RRFirstOutput(pScreen);
if (primary_output && primary_output->crtc)
primary_crtc = primary_output->crtc->devPrivate;
for (c = 0; c < pScrPriv->numCrtcs; c++) {
crtc = pScrPriv->crtcs[c];
@@ -198,7 +205,8 @@ amdgpu_crtc_covering_box(ScreenPtr pScreen, BoxPtr box, Bool screen_is_xf86_hint
amdgpu_crtc_box(crtc, &crtc_box);
amdgpu_box_intersect(&cover_box, &crtc_box, box);
coverage = amdgpu_box_area(&cover_box);
if (coverage > best_coverage) {
if (coverage > best_coverage ||
(crtc == primary_crtc && coverage == best_coverage)) {
best_crtc = crtc;
best_coverage = coverage;
}