drm/radeon: replace vmram_mutex with mclk_lock v2
It is a rw_semaphore now and only write locked
while changing the clock. Also the lock is renamed
to better reflect what it is protecting.
v2: Keep the ttm_vm_ops on IGPs
Signed-off-by: Christian König <deathsimple@vodafone.de>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 4563e50..586f30e 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1059,6 +1059,8 @@
struct radeon_pm {
struct mutex mutex;
+ /* write locked while reprogramming mclk */
+ struct rw_semaphore mclk_lock;
u32 active_crtcs;
int active_crtc_count;
int req_vblank;
@@ -1554,7 +1556,6 @@
struct work_struct audio_work;
int num_crtc; /* number of crtcs */
struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */
- struct mutex vram_mutex;
bool audio_enabled;
struct r600_audio audio_status; /* audio stuff */
struct notifier_block acpi_nb;