diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-08-06 19:34:00 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-08-07 23:37:19 +0200 |
| commit | 761bfb999868c413aabed8caa345694836ec6f11 (patch) | |
| tree | 5586962e6d4651852dc624dda5d1602162554ea6 /drivers/gpu/drm/radeon/radeon_pm.c | |
| parent | drm/radeon/cik: use a mutex to properly lock srbm instanced registers (diff) | |
| download | linux-761bfb999868c413aabed8caa345694836ec6f11.tar.xz linux-761bfb999868c413aabed8caa345694836ec6f11.zip | |
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/drm/radeon/radeon_pm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 5 |
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; |