drm/amdgpu: add Navi12 VCN firmware support

Add Navi12 to VCN family
Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -49,6 +49,7 @@
 #define FIRMWARE_ARCTURUS 	"amdgpu/arcturus_vcn.bin"
 #define FIRMWARE_NAVI10 	"amdgpu/navi10_vcn.bin"
 #define FIRMWARE_NAVI14 	"amdgpu/navi14_vcn.bin"
+#define FIRMWARE_NAVI12 	"amdgpu/navi12_vcn.bin"
 
 MODULE_FIRMWARE(FIRMWARE_RAVEN);
 MODULE_FIRMWARE(FIRMWARE_PICASSO);
@@ -56,6 +57,7 @@ MODULE_FIRMWARE(FIRMWARE_RAVEN2);
 MODULE_FIRMWARE(FIRMWARE_ARCTURUS);
 MODULE_FIRMWARE(FIRMWARE_NAVI10);
 MODULE_FIRMWARE(FIRMWARE_NAVI14);
+MODULE_FIRMWARE(FIRMWARE_NAVI12);
 
 static void amdgpu_vcn_idle_work_handler(struct work_struct *work);
 
@@ -93,6 +95,12 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
 		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
 			adev->vcn.indirect_sram = true;
 		break;
+	case CHIP_NAVI12:
+		fw_name = FIRMWARE_NAVI12;
+		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
+		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
+			adev->vcn.indirect_sram = true;
+		break;
 	default:
 		return -EINVAL;
 	}