diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_request.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_request.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_request.h b/drivers/gpu/drm/i915/i915_request.h index d4bae16b4785..6020d5b2a3df 100644 --- a/drivers/gpu/drm/i915/i915_request.h +++ b/drivers/gpu/drm/i915/i915_request.h @@ -396,7 +396,9 @@ static inline bool i915_seqno_passed(u32 seq1, u32 seq2) static inline u32 __hwsp_seqno(const struct i915_request *rq) { - return READ_ONCE(*rq->hwsp_seqno); + const u32 *hwsp = READ_ONCE(rq->hwsp_seqno); + + return READ_ONCE(*hwsp); } /** @@ -510,7 +512,8 @@ static inline bool i915_request_completed(const struct i915_request *rq) static inline void i915_request_mark_complete(struct i915_request *rq) { - rq->hwsp_seqno = (u32 *)&rq->fence.seqno; /* decouple from HWSP */ + WRITE_ONCE(rq->hwsp_seqno, /* decouple from HWSP */ + (u32 *)&rq->fence.seqno); } static inline bool i915_request_has_waitboost(const struct i915_request *rq) |