Add UAPI to query the GFX shadow buffer requirements for preemption on GFX11. UMDs need to specify the shadow areas for preemption.
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com> --- include/uapi/drm/amdgpu_drm.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index b6eb90df5d05..cb22bb78c373 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -876,6 +876,7 @@ struct drm_amdgpu_cs_chunk_data { #define AMDGPU_INFO_VIDEO_CAPS_DECODE 0 /* Subquery id: Encode */ #define AMDGPU_INFO_VIDEO_CAPS_ENCODE 1 +#define AMDGPU_INFO_CP_GFX_SHADOW_SIZE 0x22 #define AMDGPU_INFO_MMR_SE_INDEX_SHIFT 0 #define AMDGPU_INFO_MMR_SE_INDEX_MASK 0xff @@ -1193,6 +1194,15 @@ struct drm_amdgpu_info_video_caps { struct drm_amdgpu_info_video_codec_info codec_info[AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_COUNT]; }; +struct drm_amdgpu_info_cp_gfx_shadow_size { + __u32 shadow_size; + __u32 shadow_alignment; + __u32 csa_size; + __u32 csa_alignment; + __u32 gds_size; + __u32 gds_alignment; +}; + /* * Supported GPU families */ -- 2.39.2