1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 82335e38ec4f..63398ae1dbf5 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1163,6 +1163,7 @@ int radeon_device_init(struct radeon_device *rdev,
         mutex_init(&rdev->gem.mutex);
         mutex_init(&rdev->pm.mutex);
         mutex_init(&rdev->gpu_clock_mutex);
+        mutex_init(&rdev->srbm_mutex);
         init_rwsem(&rdev->pm.mclk_lock);
         init_rwsem(&rdev->exclusive_lock);
         init_waitqueue_head(&rdev->irq.vblank_queue);
@@ -1519,6 +1520,7 @@ 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) {
@@ -1564,6 +1566,7 @@ retry:
                 }
         }
 
+        radeon_pm_resume(rdev);
         drm_helper_resume_force_mode(rdev->ddev);
 
         ttm_bo_unlock_delayed_workqueue(&rdev->mman.bdev, resched);