Failure to load the firmwares on ARUBA isn't considered fatal.
However modesetting doesn't quite work in that case. On an HP
Pavillion Sleekbook 15 with A4-4335M APU, I end up with a screen full
of garbage. Calling evergreen_mc_program() fixes the issue.
Diff below is against the OpenBSD codebase, which corresponds to Linux
3.8.13.
Signed-off-by: Mark Kettenis <kettenis@xxxxxxxxxxx>
diff --git a/sys/dev/pci/drm/radeon/ni.c b/sys/dev/pci/drm/radeon/ni.c
index cebaf8a..1b29475 100644
--- a/sys/dev/pci/drm/radeon/ni.c
+++ b/sys/dev/pci/drm/radeon/ni.c
@@ -1519,6 +1519,7 @@ static int cayman_startup(struct radeon_device *rdev)
r = ni_init_microcode(rdev);
if (r) {
DRM_ERROR("Failed to load firmware!\n");
+ evergreen_mc_program(rdev);
return r;
}
}
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