drm/amdgpu: add VCN to firmware query interface

Need to be able to query the VCN firmware version from
userspace to determine supported features, etc.

Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index e851c66cbb5e..4b7824d30e73 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -190,6 +190,10 @@ static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
                 fw_info->ver = adev->uvd.fw_version;
                 fw_info->feature = 0;
                 break;
+        case AMDGPU_INFO_FW_VCN:
+                fw_info->ver = adev->vcn.fw_version;
+                fw_info->feature = 0;
+                break;
         case AMDGPU_INFO_FW_GMC:
                 fw_info->ver = adev->gmc.fw_version;
                 fw_info->feature = 0;
@@ -1198,6 +1202,14 @@ static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
                            i, fw_info.feature, fw_info.ver);
         }
 
+        /* VCN */
+        query_fw.fw_type = AMDGPU_INFO_FW_VCN;
+        ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
+        if (ret)
+                return ret;
+        seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
+                   fw_info.feature, fw_info.ver);
+
         return 0;
 }