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/cik.c b/drivers/gpu/drm/radeon/cik.c
index 524db70..5b58787 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -5954,6 +5954,8 @@
struct radeon_ring *ring;
int r;
+ cik_mc_program(rdev);
+
if (rdev->flags & RADEON_IS_IGP) {
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
!rdev->mec_fw || !rdev->sdma_fw || !rdev->rlc_fw) {
@@ -5985,7 +5987,6 @@
if (r)
return r;
- cik_mc_program(rdev);
r = cik_pcie_gart_enable(rdev);
if (r)
return r;
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 5b98e57..d5b49e3 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -5106,6 +5106,8 @@
/* enable aspm */
evergreen_program_aspm(rdev);
+ evergreen_mc_program(rdev);
+
if (ASIC_IS_DCE5(rdev)) {
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
r = ni_init_microcode(rdev);
@@ -5133,7 +5135,6 @@
if (r)
return r;
- evergreen_mc_program(rdev);
if (rdev->flags & RADEON_IS_AGP) {
evergreen_agp_enable(rdev);
} else {
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;
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 0a9553a..af84804 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -3330,6 +3330,8 @@
/* enable pcie gen2 link */
r600_pcie_gen2_enable(rdev);
+ r600_mc_program(rdev);
+
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
r = r600_init_microcode(rdev);
if (r) {
@@ -3342,7 +3344,6 @@
if (r)
return r;
- r600_mc_program(rdev);
if (rdev->flags & RADEON_IS_AGP) {
r600_agp_enable(rdev);
} else {
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index f101013..3cc08a4 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -1829,6 +1829,8 @@
/* enable pcie gen2 link */
rv770_pcie_gen2_enable(rdev);
+ rv770_mc_program(rdev);
+
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
r = r600_init_microcode(rdev);
if (r) {
@@ -1841,7 +1843,6 @@
if (r)
return r;
- rv770_mc_program(rdev);
if (rdev->flags & RADEON_IS_AGP) {
rv770_agp_enable(rdev);
} else {
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c
index 242c1ac..6a2dca4 100644
--- a/drivers/gpu/drm/radeon/si.c
+++ b/drivers/gpu/drm/radeon/si.c
@@ -6418,6 +6418,8 @@
/* enable aspm */
si_program_aspm(rdev);
+ si_mc_program(rdev);
+
if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
!rdev->rlc_fw || !rdev->mc_fw) {
r = si_init_microcode(rdev);
@@ -6437,7 +6439,6 @@
if (r)
return r;
- si_mc_program(rdev);
r = si_pcie_gart_enable(rdev);
if (r)
return r;