drm/radeon: replace the per ring mutex with a global one
A single global mutex for ring submissions seems sufficient.
Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index caa55d6..7c38745 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -252,10 +252,7 @@
mutex_lock(&rdev->ddev->struct_mutex);
mutex_lock(&rdev->vram_mutex);
- for (i = 0; i < RADEON_NUM_RINGS; ++i) {
- if (rdev->ring[i].ring_obj)
- mutex_lock(&rdev->ring[i].mutex);
- }
+ mutex_lock(&rdev->ring_lock);
/* gui idle int has issues on older chips it seems */
if (rdev->family >= CHIP_R600) {
@@ -311,10 +308,7 @@
rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE;
- for (i = 0; i < RADEON_NUM_RINGS; ++i) {
- if (rdev->ring[i].ring_obj)
- mutex_unlock(&rdev->ring[i].mutex);
- }
+ mutex_unlock(&rdev->ring_lock);
mutex_unlock(&rdev->vram_mutex);
mutex_unlock(&rdev->ddev->struct_mutex);
}