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drm/i915/gt: add sparse lock annotation to avoid warnings

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Annotate intel_gt_mcr_lock() and intel_gt_mcr_unlock() to fix sparse
warnings:

drivers/gpu/drm/i915/gt/intel_gt_mcr.c:397:9: warning: context imbalance in 'intel_gt_mcr_lock' - wrong count at exit
drivers/gpu/drm/i915/gt/intel_gt_mcr.c:412:6: warning: context imbalance in 'intel_gt_mcr_unlock' - unexpected unlock

Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230207124026.2105442-1-jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2023-02-07 14:40:23 +02:00
parent fec37500cf
commit aae4f817b8
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/i915/gt/intel_gt_mcr.c
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@ -364,6 +364,7 @@ static u32 rw_with_mcr_steering(struct intel_gt *gt,
* function call.
*/
void intel_gt_mcr_lock(struct intel_gt *gt, unsigned long *flags)
__acquires(&gt->mcr_lock)
{
unsigned long __flags;
int err = 0;
@ -410,6 +411,7 @@ void intel_gt_mcr_lock(struct intel_gt *gt, unsigned long *flags)
* Context: Releases gt->mcr_lock
*/
void intel_gt_mcr_unlock(struct intel_gt *gt, unsigned long flags)
__releases(&gt->mcr_lock)
{
spin_unlock_irqrestore(&gt->mcr_lock, flags);