[PATCH 01/10] drm/amdgpu: add UAPI to query GFX shadow sizes

[Alex Deucher]

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.deucher at 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