drm/amd/powerplay: add callbacks to move smc firmware request into sw_init phase

Signed-off-by: NHuang Rui <ray.huang@amd.com>
Acked-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/amd_powerplay.c

@@ -76,9 +76,18 @@ static int pp_sw_init(void *handle)
 	if (ret)
 		goto err1;
 
+	if (hwmgr->hwmgr_func->request_firmware) {
+		ret = hwmgr->hwmgr_func->request_firmware(hwmgr);
+		if (ret)
+			goto err2;
+	}
+
 	pr_info("amdgpu: powerplay initialized\n");
 
 	return 0;
+err2:
+	if (hwmgr->hwmgr_func->backend_fini)
+		hwmgr->hwmgr_func->backend_fini(hwmgr);
 err1:
 	if (hwmgr->pptable_func->pptable_fini)
 		hwmgr->pptable_func->pptable_fini(hwmgr);
@@ -101,6 +110,9 @@ static int pp_sw_fini(void *handle)
 
 	PP_CHECK_HW(hwmgr);
 
+	if (hwmgr->hwmgr_func->release_firmware)
+		 ret = hwmgr->hwmgr_func->release_firmware(hwmgr);
+
 	if (hwmgr->hwmgr_func->backend_fini != NULL)
 		ret = hwmgr->hwmgr_func->backend_fini(hwmgr);
 

drivers/gpu/drm/amd/powerplay/inc/hwmgr.h

@@ -358,6 +358,8 @@ struct pp_hwmgr_func {
 	int (*get_mclk_od)(struct pp_hwmgr *hwmgr);
 	int (*set_mclk_od)(struct pp_hwmgr *hwmgr, uint32_t value);
 	int (*read_sensor)(struct pp_hwmgr *hwmgr, int idx, int32_t *value);
+	int (*request_firmware)(struct pp_hwmgr *hwmgr);
+	int (*release_firmware)(struct pp_hwmgr *hwmgr);
 };
 
 struct pp_table_func {