diff options
| author | Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> | 2022-10-26 22:20:54 +0000 |
|---|---|---|
| committer | John Harrison <John.C.Harrison@Intel.com> | 2022-10-27 12:36:35 -0700 |
| commit | 2db609c014958202e067678758c2a5291a28bae5 (patch) | |
| tree | 39d8afd98547ade3c0bf82a579f42097a7df87ca /drivers/gpu/drm/i915/i915_perf_types.h | |
| parent | 9677a9f3b1ad3537bc945e7c7e54778632ee2d0f (diff) | |
drm/i915/perf: Replace gt->perf.lock with stream->lock for file ops
With multi-gt, user can access multiple OA buffers concurrently. Use
stream->lock instead of gt->perf.lock to serialize file operations.
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221026222102.5526-9-umesh.nerlige.ramappa@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_perf_types.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_perf_types.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_perf_types.h b/drivers/gpu/drm/i915/i915_perf_types.h index e888bfab478f..dc9bfd8086cf 100644 --- a/drivers/gpu/drm/i915/i915_perf_types.h +++ b/drivers/gpu/drm/i915/i915_perf_types.h @@ -146,6 +146,11 @@ struct i915_perf_stream { */ struct intel_engine_cs *engine; + /* + * Lock associated with operations on stream + */ + struct mutex lock; + /** * @sample_flags: Flags representing the `DRM_I915_PERF_PROP_SAMPLE_*` * properties given when opening a stream, representing the contents |