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[WPE] WPE Platform: make sure the DRM device selected is capable of modesetting #23657

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Feb 1, 2024
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[WPE] WPE Platform: make sure the DRM device selected is capable of modesetting #23657

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8 changes: 7 additions & 1 deletion Source/WebKit/WPEPlatform/wpe/drm/WPEDisplayDRM.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -88,8 +88,14 @@ static UnixFileDescriptor findDevice(GError** error)
continue;

fd = UnixFileDescriptor { open(device->nodes[DRM_NODE_PRIMARY], O_RDWR | O_CLOEXEC), UnixFileDescriptor::Adopt };
if (fd)
if (!fd)
continue;

WPE::DRM::UniquePtr<drmModeRes> resources(drmModeGetResources(fd.value()));
if (resources && resources->count_crtcs && resources->count_connectors && resources->count_encoders)
break;

fd.release();
}

drmFreeDevices(devices, numDevices);
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