summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/radeon/radeon_device.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c17
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 ? */