drm/amd/amdgpu: Add smc_sk firmware in baffin & ellesmere.

add CGS_UCODE_ID_SMU_SK.

Signed-off-by: yanyang1 <Young.Yang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index 8bc4040..594159c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -702,7 +702,7 @@
 {
 	CGS_FUNC_ADEV;
 
-	if (CGS_UCODE_ID_SMU != type) {
+	if ((CGS_UCODE_ID_SMU != type) && (CGS_UCODE_ID_SMU_SK != type)) {
 		uint64_t gpu_addr;
 		uint32_t data_size;
 		const struct gfx_firmware_header_v1_0 *header;
@@ -743,10 +743,16 @@
 			strcpy(fw_name, "amdgpu/fiji_smc.bin");
 			break;
 		case CHIP_BAFFIN:
-			strcpy(fw_name, "amdgpu/baffin_smc.bin");
+			if (type == CGS_UCODE_ID_SMU)
+				strcpy(fw_name, "amdgpu/baffin_smc.bin");
+			else if (type == CGS_UCODE_ID_SMU_SK)
+				strcpy(fw_name, "amdgpu/baffin_smc_sk.bin");
 			break;
 		case CHIP_ELLESMERE:
-			strcpy(fw_name, "amdgpu/ellesmere_smc.bin");
+			if (type == CGS_UCODE_ID_SMU)
+				strcpy(fw_name, "amdgpu/ellesmere_smc.bin");
+			else if (type == CGS_UCODE_ID_SMU_SK)
+				strcpy(fw_name, "amdgpu/ellesmere_smc_sk.bin");
 			break;
 		default:
 			DRM_ERROR("SMC firmware not supported\n");
diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h
index ca1e229..7a3714b 100644
--- a/drivers/gpu/drm/amd/include/cgs_common.h
+++ b/drivers/gpu/drm/amd/include/cgs_common.h
@@ -94,6 +94,7 @@
  */
 enum cgs_ucode_id {
 	CGS_UCODE_ID_SMU = 0,
+	CGS_UCODE_ID_SMU_SK,
 	CGS_UCODE_ID_SDMA0,
 	CGS_UCODE_ID_SDMA1,
 	CGS_UCODE_ID_CP_CE,