diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2010-05-03 01:13:14 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-05-18 18:21:50 +1000 |
| commit | d7311171c4cc8d6231427f7ac5056b939a184b80 (patch) | |
| tree | bbe3db53048b12ccf1e480261e69121f095226d7 /drivers/gpu/drm/radeon/r100.c | |
| parent | ca2af92311eee95820f3b48c35045e5f56bc1477 (diff) | |
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/r100.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r100.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 14b7541df38a..4161a35dd3d3 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -87,7 +87,7 @@ void r100_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 = rdev->pm.current_power_state_index; @@ -101,6 +101,12 @@ void r100_get_power_state(struct radeon_device *rdev, rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index - 1; } + /* 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[0].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)) { @@ -109,7 +115,7 @@ void r100_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 = rdev->pm.current_power_state_index; @@ -215,7 +221,7 @@ void r100_set_power_state(struct radeon_device *rdev, bool static_switch) rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index; rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index; } else - DRM_INFO("GUI not idle!!!\n"); + DRM_INFO("pm: GUI not idle!!!\n"); } void r100_pm_misc(struct radeon_device *rdev) |