diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gpu.h')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gpu.h | 37 |
1 files changed, 35 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h index 92aa1e9196c6..02419f2ca2bc 100644 --- a/drivers/gpu/drm/msm/msm_gpu.h +++ b/drivers/gpu/drm/msm/msm_gpu.h @@ -42,7 +42,10 @@ struct msm_gpu_config { * + z180_gpu */ struct msm_gpu_funcs { - int (*get_param)(struct msm_gpu *gpu, uint32_t param, uint64_t *value); + int (*get_param)(struct msm_gpu *gpu, struct msm_file_private *ctx, + uint32_t param, uint64_t *value); + int (*set_param)(struct msm_gpu *gpu, struct msm_file_private *ctx, + uint32_t param, uint64_t value); int (*hw_init)(struct msm_gpu *gpu); int (*pm_suspend)(struct msm_gpu *gpu); int (*pm_resume)(struct msm_gpu *gpu); @@ -157,6 +160,13 @@ struct msm_gpu { int nr_rings; /** + * sysprof_active: + * + * The count of contexts that have enabled system profiling. + */ + refcount_t sysprof_active; + + /** * cur_ctx_seqno: * * The ctx->seqno value of the last context to submit rendering, @@ -199,7 +209,10 @@ struct msm_gpu { /* does gpu need hw_init? */ bool needs_hw_init; - /* number of GPU hangs (for all contexts) */ + /** + * global_faults: number of GPU hangs not attributed to a particular + * address space + */ int global_faults; void __iomem *mmio; @@ -324,6 +337,24 @@ struct msm_file_private { int seqno; /** + * sysprof: + * + * The value of MSM_PARAM_SYSPROF set by userspace. This is + * intended to be used by system profiling tools like Mesa's + * pps-producer (perfetto), and restricted to CAP_SYS_ADMIN. + * + * Setting a value of 1 will preserve performance counters across + * context switches. Setting a value of 2 will in addition + * suppress suspend. (Performance counters lose state across + * power collapse, which is undesirable for profiling in some + * cases.) + * + * The value automatically reverts to zero when the drm device + * file is closed. + */ + int sysprof; + + /** * entities: * * Table of per-priority-level sched entities used by submitqueues @@ -519,6 +550,8 @@ void msm_submitqueue_close(struct msm_file_private *ctx); void msm_submitqueue_destroy(struct kref *kref); +int msm_file_private_set_sysprof(struct msm_file_private *ctx, + struct msm_gpu *gpu, int sysprof); void __msm_file_private_destroy(struct kref *kref); static inline void msm_file_private_put(struct msm_file_private *ctx) |