drm/radeon: always program the MC on startup
For r6xx+ asics. This mirrors the behavior of pre-r6xx
asics. We need to program the MC even if something
else in startup() fails. Failure to do so results in
an unusable GPU.
Based on a fix from: Mark Kettenis <kettenis@openbsd.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 16e91b0..12cebe4 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -2079,6 +2079,8 @@
/* enable aspm */
evergreen_program_aspm(rdev);
+ evergreen_mc_program(rdev);
+
if (rdev->flags & RADEON_IS_IGP) {
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
r = ni_init_microcode(rdev);
@@ -2107,7 +2109,6 @@
if (r)
return r;
- evergreen_mc_program(rdev);
r = cayman_pcie_gart_enable(rdev);
if (r)
return r;