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Allow reuse of an active plane for devices with only one usable plane per CRTC

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This commit is contained in:
Cameron Gutman 2023-09-29 17:19:44 -05:00
parent 517b684f85
commit 5711e6064e
1 changed files with 4 additions and 1 deletions
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5
app/streaming/video/ffmpeg-renderers/drm.cpp
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@ -422,7 +422,10 @@ bool DrmRenderer::initialize(PDECODER_PARAMETERS params)
continue;
}
if ((plane->possible_crtcs & (1 << crtcIndex)) && plane->crtc_id == 0) {
// We don't check plane->crtc_id here because we want to be able to reuse the primary plane
// that may owned by Qt and in use on a CRTC prior to us taking over DRM master. When we give
// control back to Qt, it will repopulate the plane with the FB it owns and render as normal.
if ((plane->possible_crtcs & (1 << crtcIndex))) {
drmModeObjectPropertiesPtr props = drmModeObjectGetProperties(m_DrmFd, planeRes->planes[i], DRM_MODE_OBJECT_PLANE);
if (props != nullptr) {
for (uint32_t j = 0; j < props->count_props; j++) {