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drmdumb: reopen displaynode (#203)

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if the backends now gets a rendernode it wont call the authmagic on the
displaynode making dumb buffer creation failing on certain drivers. so
reopen it again in the creation of the CDRMDumbAllocator.
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Tom Englund 2025-08-17 21:16:10 +02:00 • committed by GitHub
parent 98968ac769
commit 84d53cadf8
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1 changed files with 2 additions and 2 deletions
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4
src/backend/drm/DRM.cpp
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@ -249,7 +249,7 @@ SP<CDRMBackend> Aquamarine::CDRMBackend::fromGpu(std::string path, SP<CBackend>
drmBackend->grabFormats();
drmBackend->dumbAllocator = CDRMDumbAllocator::create(gpu->fd, backend);
drmBackend->dumbAllocator = CDRMDumbAllocator::create(drmBackend->backend->reopenDRMNode(gpu->fd), backend);
// so that session can handle udev change/remove events for this gpu
backend->session->sessionDevices.push_back(gpu);
@ -333,7 +333,7 @@ std::vector<SP<CDRMBackend>> Aquamarine::CDRMBackend::attempt(SP<CBackend> backe
newPrimary = drmBackend;
}
drmBackend->dumbAllocator = CDRMDumbAllocator::create(gpu->fd, backend);
drmBackend->dumbAllocator = CDRMDumbAllocator::create(drmBackend->backend->reopenDRMNode(gpu->fd), backend);
backends.emplace_back(drmBackend);