diff options
| author | Alex Deucher | 2010-06-25 16:21:27 -0400 |
|---|---|---|
| committer | Dave Airlie | 2010-07-01 11:59:46 +1000 |
| commit | 773c3fa3a04bf6c9aa7147813beaab66f38e658f (patch) | |
| tree | a7966c885cfecf8e9d5b2b1fa96fdd6a8a54f2cc | |
| parent | 3f53eb6f84545a7fc55a36657755371f42c63fca (diff) | |
drm/radeon/kms/pm: fix power state indexing on igp chips in dynpm mode
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=28745
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Tested-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 90f28175a7bc..3d6645ce2151 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -130,9 +130,14 @@ void r600_pm_get_dynpm_state(struct radeon_device *rdev) break; } } - } else - rdev->pm.requested_power_state_index = - rdev->pm.current_power_state_index - 1; + } else { + if (rdev->pm.current_power_state_index == 0) + rdev->pm.requested_power_state_index = + rdev->pm.num_power_states - 1; + else + rdev->pm.requested_power_state_index = + rdev->pm.current_power_state_index - 1; + } } rdev->pm.requested_clock_mode_index = 0; /* don't use the power state if crtcs are active and no display flag is set */ |