diff options
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/drm/panthor_drm.h | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/include/uapi/drm/panthor_drm.h b/include/uapi/drm/panthor_drm.h index 467d365ed7ba..28cf9e878db6 100644 --- a/include/uapi/drm/panthor_drm.h +++ b/include/uapi/drm/panthor_drm.h @@ -246,6 +246,26 @@ enum drm_panthor_dev_query_type { }; /** + * enum drm_panthor_gpu_coherency: Type of GPU coherency + */ +enum drm_panthor_gpu_coherency { + /** + * @DRM_PANTHOR_GPU_COHERENCY_ACE_LITE: ACE Lite coherency. + */ + DRM_PANTHOR_GPU_COHERENCY_ACE_LITE = 0, + + /** + * @DRM_PANTHOR_GPU_COHERENCY_ACE: ACE coherency. + */ + DRM_PANTHOR_GPU_COHERENCY_ACE = 1, + + /** + * @DRM_PANTHOR_GPU_COHERENCY_NONE: No coherency. + */ + DRM_PANTHOR_GPU_COHERENCY_NONE = 31, +}; + +/** * struct drm_panthor_gpu_info - GPU information * * Structure grouping all queryable information relating to the GPU. @@ -301,7 +321,16 @@ struct drm_panthor_gpu_info { */ __u32 thread_max_barrier_size; - /** @coherency_features: Coherency features. */ + /** + * @coherency_features: Coherency features. + * + * Combination of drm_panthor_gpu_coherency flags. + * + * Note that this is just what the coherency protocols supported by the + * GPU, but the actual coherency in place depends on the SoC + * integration and is reflected by + * drm_panthor_gpu_info::selected_coherency. + */ __u32 coherency_features; /** @texture_features: Texture features. */ @@ -310,8 +339,12 @@ struct drm_panthor_gpu_info { /** @as_present: Bitmask encoding the number of address-space exposed by the MMU. */ __u32 as_present; - /** @pad0: MBZ. */ - __u32 pad0; + /** + * @select_coherency: Coherency selected for this device. + * + * One of drm_panthor_gpu_coherency. + */ + __u32 selected_coherency; /** @shader_present: Bitmask encoding the shader cores exposed by the GPU. */ __u64 shader_present; |