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authorAlex Deucher <alexander.deucher@amd.com>2013-08-06 13:34:00 -0400
committerAlex Deucher <alexander.deucher@amd.com>2013-08-07 17:37:19 -0400
commit761bfb999868c413aabed8caa345694836ec6f11 (patch)
tree5586962e6d4651852dc624dda5d1602162554ea6 /drivers/gpu
parentf61d5b46771a352fad1ac7f99008ef52a7ffcb72 (diff)
downloadlinux-761bfb999868c413aabed8caa345694836ec6f11.tar.bz2
drm/radeon/dpm: require rlc for dpm
The rlc is required for dpm to work properly, so if the rlc ucode is missing, don't enable dpm. Enabling dpm without the rlc enabled can result in hangs. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index f374c467aaca..6a7a80b8a00a 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -1176,7 +1176,10 @@ int radeon_pm_init(struct radeon_device *rdev)
case CHIP_VERDE:
case CHIP_OLAND:
case CHIP_HAINAN:
- if (radeon_dpm == 1)
+ /* DPM requires the RLC */
+ if (!rdev->rlc_fw)
+ rdev->pm.pm_method = PM_METHOD_PROFILE;
+ else if (radeon_dpm == 1)
rdev->pm.pm_method = PM_METHOD_DPM;
else
rdev->pm.pm_method = PM_METHOD_PROFILE;