drm/amdgpu: Add fw load in gfx_v8 and sdma_v3

gfx and sdma can be initialized before smu.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c

@@ -4175,9 +4175,20 @@ static void gfx_v8_0_rlc_start(struct amdgpu_device *adev)
 
 static int gfx_v8_0_rlc_resume(struct amdgpu_device *adev)
 {
+	int r;
+
 	gfx_v8_0_rlc_stop(adev);
 	gfx_v8_0_rlc_reset(adev);
 	gfx_v8_0_init_pg(adev);
+
+	if (adev->powerplay.pp_funcs->load_firmware) {
+		r = adev->powerplay.pp_funcs->load_firmware(adev->powerplay.pp_handle);
+		if (r) {
+			pr_err("firmware loading failed\n");
+			return r;
+		}
+	}
+
 	gfx_v8_0_rlc_start(adev);
 
 	return 0;

drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c

@@ -788,6 +788,14 @@ static int sdma_v3_0_start(struct amdgpu_device *adev)
 {
 	int r;
 
+	if (adev->powerplay.pp_funcs->load_firmware) {
+		r = adev->powerplay.pp_funcs->load_firmware(adev->powerplay.pp_handle);
+		if (r) {
+			pr_err("firmware loading failed\n");
+			return r;
+		}
+	}
+
 	/* disable sdma engine before programing it */
 	sdma_v3_0_ctx_switch_enable(adev, false);
 	sdma_v3_0_enable(adev, false);