drm/amdgpu: add raven2 vcn firmware support

Specify raven2 vcn firmware on amdgpu_vce_sw_init.
Signed-off-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -43,9 +43,11 @@
 /* Firmware Names */
 #define FIRMWARE_RAVEN		"amdgpu/raven_vcn.bin"
 #define FIRMWARE_PICASSO	"amdgpu/picasso_vcn.bin"
+#define FIRMWARE_RAVEN2		"amdgpu/raven2_vcn.bin"
 
 MODULE_FIRMWARE(FIRMWARE_RAVEN);
 MODULE_FIRMWARE(FIRMWARE_PICASSO);
+MODULE_FIRMWARE(FIRMWARE_RAVEN2);
 
 static void amdgpu_vcn_idle_work_handler(struct work_struct *work);
 
@@ -61,6 +63,9 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
 
 	switch (adev->asic_type) {
 	case CHIP_RAVEN:
+        if (adev->rev_id >= 8)
+			fw_name = FIRMWARE_RAVEN2;
+		else
 			fw_name = FIRMWARE_RAVEN;
 		break;
 	case CHIP_PICASSO: