diff options
Diffstat (limited to 'drivers/gpu/drm/v3d/v3d_drv.h')
| -rw-r--r-- | drivers/gpu/drm/v3d/v3d_drv.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h index ff06dc1cc078..a2c516fe6d79 100644 --- a/drivers/gpu/drm/v3d/v3d_drv.h +++ b/drivers/gpu/drm/v3d/v3d_drv.h @@ -40,6 +40,13 @@ struct v3d_stats { u64 start_ns; u64 enabled_ns; u64 jobs_completed; + + /* + * This seqcount is used to protect the access to the GPU stats + * variables. It must be used as, while we are reading the stats, + * IRQs can happen and the stats can be updated. + */ + seqcount_t lock; }; struct v3d_queue_state { |