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| author | Alex Deucher <alexdeucher@gmail.com> | 2010-03-24 11:32:29 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-05-18 18:21:05 +1000 |
| commit | 90c3905950021a9b37ac1a4dd78225881f4c61e4 (patch) | |
| tree | 856235c7b55a6cb3c648f2826e68d94fffbbb14e /drivers/gpu/drm/radeon/radeon_pm.c | |
| parent | 678e7dfa9e1bb0d1ad31b7cddce58fc3b67cfb27 (diff) | |
| download | blackbird-op-linux-90c3905950021a9b37ac1a4dd78225881f4c61e4.tar.gz blackbird-op-linux-90c3905950021a9b37ac1a4dd78225881f4c61e4.zip | |
drm/radeon/kms/pm: don't enable pm if there is only on power state
Just adds overhead when the power state will never change.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_pm.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_pm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index a137ee2f722c..811126464a7b 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -113,7 +113,7 @@ int radeon_pm_init(struct radeon_device *rdev) INIT_DELAYED_WORK(&rdev->pm.idle_work, radeon_pm_idle_work_handler); - if (radeon_dynpm != -1 && radeon_dynpm) { + if ((radeon_dynpm != -1 && radeon_dynpm) && (rdev->pm.num_power_states > 1)) { rdev->pm.state = PM_STATE_PAUSED; DRM_INFO("radeon: dynamic power management enabled\n"); } |
