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drm/xe: Annotate mcr_[un]lock()

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These functions acquire and release the gt::mcr_lock. Annotate
accordingly.
Fix the corresponding sparse warning.

Fixes: dd08ebf6c3 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Fixes: fb1d55efdf ("drm/xe: Cleanup OPEN_BRACE style issues")
Cc: Francois Dugast <francois.dugast@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240117134048.165425-4-thomas.hellstrom@linux.intel.com
This commit is contained in:
Thomas Hellström 2024-01-17 14:40:46 +01:00
parent 1e5a4dfe38
commit 97fd7a7e4e
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/xe/xe_gt_mcr.c
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@ -480,7 +480,7 @@ static bool xe_gt_mcr_get_nonterminated_steering(struct xe_gt *gt,
* to synchronize with external clients (e.g., firmware), so a semaphore
* register will also need to be taken.
*/
static void mcr_lock(struct xe_gt *gt)
static void mcr_lock(struct xe_gt *gt) __acquires(&gt->mcr_lock)
{
struct xe_device *xe = gt_to_xe(gt);
int ret = 0;
@ -500,7 +500,7 @@ static void mcr_lock(struct xe_gt *gt)
drm_WARN_ON_ONCE(&xe->drm, ret == -ETIMEDOUT);
}
static void mcr_unlock(struct xe_gt *gt)
static void mcr_unlock(struct xe_gt *gt) __releases(&gt->mcr_lock)
{
/* Release hardware semaphore - this is done by writing 1 to the register */
if (GRAPHICS_VERx100(gt_to_xe(gt)) >= 1270)