diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 49b06590001e..cd756262924d 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1164,6 +1164,7 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state) struct drm_crtc *crtc; struct drm_connector *connector; int i, r; + bool force_completion = false; if (dev == NULL || dev->dev_private == NULL) { return -ENODEV; @@ -1206,8 +1207,16 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state) mutex_lock(&rdev->ring_lock); /* wait for gpu to finish processing current batch */ - for (i = 0; i < RADEON_NUM_RINGS; i++) - radeon_fence_wait_empty_locked(rdev, i); + for (i = 0; i < RADEON_NUM_RINGS; i++) { + r = radeon_fence_wait_empty_locked(rdev, i); + if (r) { + /* delay GPU reset to resume */ + force_completion = true; + } + } + if (force_completion) { + radeon_fence_driver_force_completion(rdev); + } mutex_unlock(&rdev->ring_lock); radeon_save_bios_scratch_regs(rdev); @@ -1338,7 +1347,6 @@ retry: } radeon_restore_bios_scratch_regs(rdev); - drm_helper_resume_force_mode(rdev->ddev); if (!r) { for (i = 0; i < RADEON_NUM_RINGS; ++i) { @@ -1358,11 +1366,14 @@ retry: } } } else { + radeon_fence_driver_force_completion(rdev); for (i = 0; i < RADEON_NUM_RINGS; ++i) { kfree(ring_data[i]); } } + drm_helper_resume_force_mode(rdev->ddev); + ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched); if (r) { /* bad news, how to tell it to userspace ? */ |