diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-05-03 09:13:14 +0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-05-18 12:21:50 +0400 |
| commit | d7311171c4cc8d6231427f7ac5056b939a184b80 (patch) | |
| tree | bbe3db53048b12ccf1e480261e69121f095226d7 /drivers/gpu/drm/radeon/r600.c | |
| parent | ca2af92311eee95820f3b48c35045e5f56bc1477 (diff) | |
| download | linux-d7311171c4cc8d6231427f7ac5056b939a184b80.tar.xz | |
drm/radeon/kms/pm: add support for no display power states
The lowest power states often cause display problems, so only enable
them when all displays are off.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 75c825cb8790..08a328c4165a 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -120,7 +120,7 @@ void r600_get_power_state(struct radeon_device *rdev, } else { if (rdev->pm.active_crtc_count > 1) { for (i = 0; i < rdev->pm.num_power_states; i++) { - if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY) + if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) continue; else if (i >= rdev->pm.current_power_state_index) { rdev->pm.requested_power_state_index = @@ -136,6 +136,13 @@ void r600_get_power_state(struct radeon_device *rdev, 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 */ + if ((rdev->pm.active_crtc_count > 0) && + (rdev->pm.power_state[rdev->pm.requested_power_state_index]. + clock_info[rdev->pm.requested_clock_mode_index].flags & + RADEON_PM_MODE_NO_DISPLAY)) { + rdev->pm.requested_power_state_index++; + } break; case PM_ACTION_UPCLOCK: if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) { @@ -144,7 +151,7 @@ void r600_get_power_state(struct radeon_device *rdev, } else { if (rdev->pm.active_crtc_count > 1) { for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) { - if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY) + if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) continue; else if (i <= rdev->pm.current_power_state_index) { rdev->pm.requested_power_state_index = @@ -179,7 +186,7 @@ void r600_get_power_state(struct radeon_device *rdev, rdev->pm.requested_power_state_index = -1; /* start at 1 as we don't want the default mode */ for (i = 1; i < rdev->pm.num_power_states; i++) { - if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY) + if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY) continue; else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) || (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) { @@ -210,6 +217,13 @@ void r600_get_power_state(struct radeon_device *rdev, rdev->pm.requested_clock_mode_index = 0; rdev->pm.can_downclock = false; } + /* don't use the power state if crtcs are active and no display flag is set */ + if ((rdev->pm.active_crtc_count > 0) && + (rdev->pm.power_state[rdev->pm.requested_power_state_index]. + clock_info[rdev->pm.requested_clock_mode_index].flags & + RADEON_PM_MODE_NO_DISPLAY)) { + rdev->pm.requested_clock_mode_index++; + } break; case PM_ACTION_UPCLOCK: if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) { |