drm/amdgpu: add AMDGPU_IDS_FLAGS_GANG_SUBMIT

Add a UAPI flag indicating if gang submit is supported or not.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: ChristianKoenigAMD

drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c

@@ -939,6 +939,10 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 		if (adev->gfx.config.ta_cntl2_truncate_coord_mode)
 			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD;
 
+		/* Gang submit is not supported under SRIOV currently */
+		if (!amdgpu_sriov_vf(adev))
+			dev_info->ids_flags |= AMDGPU_IDS_FLAGS_GANG_SUBMIT;
+
 		if (amdgpu_passthrough(adev))
 			dev_info->ids_flags |= (AMDGPU_IDS_FLAGS_MODE_PT <<
 						AMDGPU_IDS_FLAGS_MODE_SHIFT) &

include/uapi/drm/amdgpu_drm.h

@@ -1088,10 +1088,11 @@ struct drm_amdgpu_cs_chunk_cp_gfx_shadow {
  *  Query h/w info: Flag that this is integrated (a.h.a. fusion) GPU
  *
  */
-#define AMDGPU_IDS_FLAGS_FUSION         0x1
-#define AMDGPU_IDS_FLAGS_PREEMPTION     0x2
-#define AMDGPU_IDS_FLAGS_TMZ            0x4
-#define AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD 0x8
+#define AMDGPU_IDS_FLAGS_FUSION			0x01
+#define AMDGPU_IDS_FLAGS_PREEMPTION		0x02
+#define AMDGPU_IDS_FLAGS_TMZ			0x04
+#define AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD	0x08
+#define AMDGPU_IDS_FLAGS_GANG_SUBMIT		0x10
 
 /*
  *  Query h/w info: Flag identifying VF/PF/PT mode