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libdrm: Add patch to fix drm device open

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This commit is contained in:
bjorn3 2026-05-14 12:22:24 +02:00
parent e0e52bf937
commit 1d0710d320
1 changed files with 39 additions and 0 deletions
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39
recipes/libs/libdrm/redox.patch
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@ -66,6 +66,45 @@ diff -ruwN source-old/xf86drm.c source/xf86drm.c
switch (tile_version) {
case AMD_FMT_MOD_TILE_VER_GFX9:
@@ -3657,7 +3657,7 @@ static int drmParseSubsystemType(int maj, int min)
return DRM_BUS_VIRTIO;
}
return subsystem_type;
-#elif defined(__OpenBSD__) || defined(__DragonFly__) || defined(__FreeBSD__)
+#elif defined(__OpenBSD__) || defined(__DragonFly__) || defined(__FreeBSD__) || defined(__redox__)
return DRM_BUS_PCI;
#else
#warning "Missing implementation of drmParseSubsystemType"
@@ -3791,6 +3791,8 @@ static int drmParsePciBusInfo(int maj, int min, drmPciBusInfoPtr info)
return 0;
#elif defined(__FreeBSD__)
return get_sysctl_pci_bus_info(maj, min, info);
+#elif defined(__redox__)
+ return 0; // FIXME maybe parse DRM_IOCTL_GET_UNIQUE?
#else
#warning "Missing implementation of drmParsePciBusInfo"
return -EINVAL;
@@ -4000,6 +4002,8 @@ static int drmParsePciDeviceInfo(int maj, int min,
device->revision_id = results[0].pc_revid;
return 0;
+#elif defined(__redox__)
+ return 0; // FIXME get this info somehow?
#else
#warning "Missing implementation of drmParsePciDeviceInfo"
return -EINVAL;
@@ -4511,8 +4515,11 @@ process_device(drmDevicePtr *device, const char *d_name,
maj = major(sbuf.st_rdev);
min = minor(sbuf.st_rdev);
+ // Doesn't work on Redox as /dev/dri/cardN is a symlink
+#ifndef __redox__
if (!drmNodeIsDRM(maj, min) || !S_ISCHR(sbuf.st_mode))
return -1;
+#endif
subsystem_type = drmParseSubsystemType(maj, min);
if (req_subsystem_type != -1 && req_subsystem_type != subsystem_type)
diff -ruwN source-old/xf86drm.h source/xf86drm.h
--- source-old/xf86drm.h 2025-06-08 06:27:53.000000000 -0600
+++ source/xf86drm.h 2025-10-30 17:17:33.655115281 -0600