drm/amdgpu:new ids flag for preempt

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

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

@@ -505,6 +505,8 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
 		dev_info.ids_flags = 0;
 		if (adev->flags & AMD_IS_APU)
 			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
+		if (amdgpu_sriov_vf(adev))
+			dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
 		dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
 		dev_info.virtual_address_max = (uint64_t)adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
 		dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);

include/uapi/drm/amdgpu_drm.h

@@ -438,6 +438,7 @@ struct drm_amdgpu_cs_chunk_data {
  *
  */
 #define AMDGPU_IDS_FLAGS_FUSION         0x1
+#define AMDGPU_IDS_FLAGS_PREEMPTION     0x2
 
 /* indicate if acceleration can be working */
 #define AMDGPU_INFO_ACCEL_WORKING		0x00