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drm/amd/display: Remove unsued mutex and spinlock.

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They seem to be obsolete.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andrey Grodzovsky 2018-01-19 16:35:05 -05:00 committed by Alex Deucher
parent f3b72c7b00
commit d45d97b243
2 changed files with 0 additions and 15 deletions
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6
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -411,12 +411,6 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
/* Zero all the fields */
memset(&init_data, 0, sizeof(init_data));
/* initialize DAL's lock (for SYNC context use) */
spin_lock_init(&adev->dm.dal_lock);
/* initialize DAL's mutex */
mutex_init(&adev->dm.dal_mutex);
if(amdgpu_dm_irq_init(adev)) {
DRM_ERROR("amdgpu: failed to initialize DM IRQ support.\n");
goto error;

9
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
View File

@ -85,8 +85,6 @@ struct amdgpu_display_manager {
struct dal *dal;
struct dc *dc;
struct cgs_device *cgs_device;
/* lock to be used when DAL is called from SYNC IRQ context */
spinlock_t dal_lock;
struct amdgpu_device *adev; /*AMD base driver*/
struct drm_device *ddev; /*DRM base driver*/
@ -123,13 +121,6 @@ struct amdgpu_display_manager {
struct list_head timer_handler_list;
struct workqueue_struct *timer_workqueue;
/* Use dal_mutex for any activity which is NOT syncronized by
* DRM mode setting locks.
* For example: amdgpu_dm_hpd_low_irq() calls into DAL *without*
* DRM mode setting locks being acquired. This is where dal_mutex
* is acquired before calling into DAL. */
struct mutex dal_mutex;
struct backlight_device *backlight_dev;
const struct dc_link *backlight_link;