drm/radeon/kms: ignore unposted GPUs with no BIOS.
If we find a GPU but we can't find its BIOS and it isn't posted,
then ignore it.
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 797a36f..3dbd93e 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1631,7 +1631,11 @@
if (r)
return r;
/* Post card if necessary */
- if (!r600_card_posted(rdev) && rdev->bios) {
+ if (!r600_card_posted(rdev)) {
+ if (!rdev->bios) {
+ dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
+ return -EINVAL;
+ }
DRM_INFO("GPU not posted. posting now...\n");
atom_asic_init(rdev->mode_info.atom_context);
}