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drm: deny implicit modifiers for the cursor plane

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This commit is contained in:
Vaxry 2024-06-29 19:28:51 +02:00
parent ffeea4bed2
commit 3ffa774f12
1 changed files with 11 additions and 0 deletions
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11
src/backend/drm/DRM.cpp
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@ -1134,6 +1134,17 @@ bool Aquamarine::CDRMOutput::commitState(bool onlyTest) {
if (connector->crtc->pendingCursor)
data.cursorFB = connector->crtc->pendingCursor;
if (data.cursorFB) {
// verify cursor format. This might be wrong on NVIDIA where linear buffers
// fail to be created from gbm
// TODO: add an API to detect this and request drm_dumb linear buffers. Or do something,
// idk
if (data.cursorFB->buffer->dmabuf().modifier == DRM_FORMAT_MOD_INVALID) {
backend->backend->log(AQ_LOG_TRACE, "drm: Dropping invalid buffer for cursor plane");
data.cursorFB = nullptr;
}
}
data.blocking = BLOCKING;
data.modeset = NEEDS_RECONFIG;
data.flags = flags;