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>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/r520.c b/drivers/gpu/drm/radeon/r520.c
index f7435185c0a6..26c37792c8fe 100644
--- a/drivers/gpu/drm/radeon/r520.c
+++ b/drivers/gpu/drm/radeon/r520.c
@@ -254,6 +254,9 @@ int r520_init(struct radeon_device *rdev)
                         RREG32(R_0007C0_CP_STAT));
         }
         /* check if cards are posted or not */
+        if (radeon_boot_test_post_card(rdev) == false)
+                return -EINVAL;
+
         if (!radeon_card_posted(rdev) && rdev->bios) {
                 DRM_INFO("GPU not posted. posting now...\n");
                 atom_asic_init(rdev->mode_info.atom_context);