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drm/radeon: always program the MC on startup

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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
This commit is contained in:
Alex Deucher 2013-08-04 12:13:17 -04:00
parent 1518dd8efd
commit 6fab3febf6
6 changed files with 12 additions and 6 deletions
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3
drivers/gpu/drm/radeon/cik.c
View File

@ -5954,6 +5954,8 @@ static int cik_startup(struct radeon_device *rdev)
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 @@ static int cik_startup(struct radeon_device *rdev)
if (r)
return r;
cik_mc_program(rdev);
r = cik_pcie_gart_enable(rdev);
if (r)
return r;

3
drivers/gpu/drm/radeon/evergreen.c
View File

@ -5106,6 +5106,8 @@ static int evergreen_startup(struct radeon_device *rdev)
/* 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 @@ static int evergreen_startup(struct radeon_device *rdev)
if (r)
return r;
evergreen_mc_program(rdev);
if (rdev->flags & RADEON_IS_AGP) {
evergreen_agp_enable(rdev);
} else {

3
drivers/gpu/drm/radeon/ni.c
View File

@ -2079,6 +2079,8 @@ static int cayman_startup(struct radeon_device *rdev)
/* 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 @@ static int cayman_startup(struct radeon_device *rdev)
if (r)
return r;
evergreen_mc_program(rdev);
r = cayman_pcie_gart_enable(rdev);
if (r)
return r;

3
drivers/gpu/drm/radeon/r600.c
View File

@ -3330,6 +3330,8 @@ static int r600_startup(struct radeon_device *rdev)
/* 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 @@ static int r600_startup(struct radeon_device *rdev)
if (r)
return r;
r600_mc_program(rdev);
if (rdev->flags & RADEON_IS_AGP) {
r600_agp_enable(rdev);
} else {

3
drivers/gpu/drm/radeon/rv770.c
View File

@ -1829,6 +1829,8 @@ static int rv770_startup(struct radeon_device *rdev)
/* 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 @@ static int rv770_startup(struct radeon_device *rdev)
if (r)
return r;
rv770_mc_program(rdev);
if (rdev->flags & RADEON_IS_AGP) {
rv770_agp_enable(rdev);
} else {

3
drivers/gpu/drm/radeon/si.c
View File

@ -6418,6 +6418,8 @@ static int si_startup(struct radeon_device *rdev)
/* 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 @@ static int si_startup(struct radeon_device *rdev)
if (r)
return r;
si_mc_program(rdev);
r = si_pcie_gart_enable(rdev);
if (r)
return r;