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Diffstat (limited to 'drivers/gpu/drm/msm/msm_drv.h')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index b2ea262296a4..d4e0ef608950 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -224,7 +224,13 @@ struct msm_drm_private { struct drm_atomic_state *pm_state; - /* For hang detection, in ms */ + /** + * hangcheck_period: For hang detection, in ms + * + * Note that in practice, a submit/job will get at least two hangcheck + * periods, due to checking for progress being implemented as simply + * "have the CP position registers changed since last time?" + */ unsigned int hangcheck_period; /** |