UMD need this bit if preemption want supported
Change-Id: Ic657b3e6f46a148ed3cf0e932ccf46f2c5230d7f
Signed-off-by: Monk Liu <Monk.Liu at amd.com>
Conflicts:
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
---
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 8 ++++++++
include/uapi/drm/amdgpu_drm.h | 4 ++++
2 files changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 58a0b59..85b4c5f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -540,6 +540,14 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
return copy_to_user(out, &vce_clk_table,
min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
}
+
+ case AMDGPU_INFO_PREEMPTION: {
+ if (amdgpu_sriov_vf(adev))
+ ui32 |= AMDGPU_INFO_PREEMPTION_ENALBED;
+ return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT: 0;
+ break;
+ }
+
default:
DRM_DEBUG_KMS("Invalid request %d\n", info->query);
return -EINVAL;
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 667e9bc..2f25c50 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -501,6 +501,10 @@ struct drm_amdgpu_cs_chunk_data {
#define AMDGPU_INFO_MMR_SH_INDEX_SHIFT 8
#define AMDGPU_INFO_MMR_SH_INDEX_MASK 0xff
+/* Query info about preemption */
+#define AMDGPU_INFO_PREEMPTION 0x1B
+ #define AMDGPU_INFO_PREEMPTION_ENALBED 1
+
struct drm_amdgpu_query_fw {
/** AMDGPU_INFO_FW_* */
__u32 fw_type;
--
1.9.1
