diff options
Diffstat (limited to 'include/uapi/drm/msm_drm.h')
| -rw-r--r-- | include/uapi/drm/msm_drm.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h index f075851021c3..6b8fffc28a50 100644 --- a/include/uapi/drm/msm_drm.h +++ b/include/uapi/drm/msm_drm.h @@ -73,11 +73,19 @@ struct drm_msm_timespec { #define MSM_PARAM_MAX_FREQ 0x04 #define MSM_PARAM_TIMESTAMP 0x05 #define MSM_PARAM_GMEM_BASE 0x06 -#define MSM_PARAM_NR_RINGS 0x07 +#define MSM_PARAM_PRIORITIES 0x07 /* The # of priority levels */ #define MSM_PARAM_PP_PGTABLE 0x08 /* => 1 for per-process pagetables, else 0 */ #define MSM_PARAM_FAULTS 0x09 #define MSM_PARAM_SUSPENDS 0x0a +/* For backwards compat. The original support for preemption was based on + * a single ring per priority level so # of priority levels equals the # + * of rings. With drm/scheduler providing additional levels of priority, + * the number of priorities is greater than the # of rings. The param is + * renamed to better reflect this. + */ +#define MSM_PARAM_NR_RINGS MSM_PARAM_PRIORITIES + struct drm_msm_param { __u32 pipe; /* in, MSM_PIPE_x */ __u32 param; /* in, MSM_PARAM_x */ @@ -304,6 +312,10 @@ struct drm_msm_gem_madvise { #define MSM_SUBMITQUEUE_FLAGS (0) +/* + * The submitqueue priority should be between 0 and MSM_PARAM_PRIORITIES-1, + * a lower numeric value is higher priority. + */ struct drm_msm_submitqueue { __u32 flags; /* in, MSM_SUBMITQUEUE_x */ __u32 prio; /* in, Priority level */ |