drm/amd/display: drop vblank_lock from struct amdgpu_display_manager

As of commit 09a5df6c444c ("drm/amd/display: Fix multi-display support
for idle opt workqueue"), vblank_lock is no longer being used. So, don't
init it in amdgpu_dm_init() and remove it from struct
amdgpu_display_manager.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 94620f9..3130da8 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1399,7 +1399,6 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
 
        mutex_init(&adev->dm.dc_lock);
        mutex_init(&adev->dm.audio_lock);
-       spin_lock_init(&adev->dm.vblank_lock);
 
        if(amdgpu_dm_irq_init(adev)) {
                DRM_ERROR("amdgpu: failed to initialize DM IRQ support.\n");

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index b5ce15c..b618b25 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -366,13 +366,6 @@ struct amdgpu_display_manager {
        struct mutex audio_lock;
 
        /**
-        * @vblank_lock:
-        *
-        * Guards access to deferred vblank work state.
-        */
-       spinlock_t vblank_lock;
-
-       /**
         * @audio_component:
         *
         * Used to notify ELD changes to sound driver.