aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/radeon/radeon_device.c
diff options
context:
space:
mode:
authorAlex Deucher <alexander.deucher@amd.com>2014-08-18 11:57:28 -0400
committerAlex Deucher <alexander.deucher@amd.com>2014-08-19 11:29:21 -0400
commitc940b4476f4fb649f6493b6a0ae837474ded8915 (patch)
tree290e50ba40172ff1e6c100780a8dba30c32bc00b /drivers/gpu/drm/radeon/radeon_device.c
parent1538a9e0e04f6a5b323cd3d65e9320512978fcec (diff)
downloadlinux-stericsson-c940b4476f4fb649f6493b6a0ae837474ded8915.tar.gz
drm/radeon: fix pm handling in radeon_gpu_reset
pm_suspend is handled in the radeon_suspend callbacks. pm_resume has special handling depending on whether dpm or legacy pm is enabled. Change radeon_gpu_reset to mirror the behavior in the suspend and resume pathes. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian K├Ânig <christian.koenig@amd.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index c8ea050c8fa4..8e6187055061 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1680,7 +1680,6 @@ int radeon_gpu_reset(struct radeon_device *rdev)
radeon_save_bios_scratch_regs(rdev);
/* block TTM */
resched = ttm_bo_lock_delayed_workqueue(&rdev->mman.bdev);
- radeon_pm_suspend(rdev);
radeon_suspend(rdev);
for (i = 0; i < RADEON_NUM_RINGS; ++i) {
@@ -1726,9 +1725,24 @@ retry:
}
}
- radeon_pm_resume(rdev);
+ if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
+ /* do dpm late init */
+ r = radeon_pm_late_init(rdev);
+ if (r) {
+ rdev->pm.dpm_enabled = false;
+ DRM_ERROR("radeon_pm_late_init failed, disabling dpm\n");
+ }
+ } else {
+ /* resume old pm late */
+ radeon_pm_resume(rdev);
+ }
+
drm_helper_resume_force_mode(rdev->ddev);
+ /* set the power state here in case we are a PX system or headless */
+ if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled)
+ radeon_pm_compute_clocks(rdev);
+
ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched);
if (r) {
/* bad news, how to tell it to userspace ? */