drm/amd/pm: Fix an error handling path in vega10_enable_se_edc_force_…

…stall_config()

In case of error after a amdgpu_gfx_rlc_enter_safe_mode() call, it is not
balanced by a corresponding amdgpu_gfx_rlc_exit_safe_mode() call.

Add the missing call.

Fixes: 9b7b815 ("drm/amd/powerplay: added didt support for vega10")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_powertune.c

@@ -1120,13 +1120,14 @@ static int vega10_enable_se_edc_force_stall_config(struct pp_hwmgr *hwmgr)
 	result = vega10_program_didt_config_registers(hwmgr, SEEDCForceStallPatternConfig_Vega10, VEGA10_CONFIGREG_DIDT);
 	result |= vega10_program_didt_config_registers(hwmgr, SEEDCCtrlForceStallConfig_Vega10, VEGA10_CONFIGREG_DIDT);
 	if (0 != result)
-		return result;
+		goto exit_safe_mode;
 
 	vega10_didt_set_mask(hwmgr, false);
 
+exit_safe_mode:
 	amdgpu_gfx_rlc_exit_safe_mode(adev, 0);
 
-	return 0;
+	return result;
 }
 
 static int vega10_disable_se_edc_force_stall_config(struct pp_hwmgr *hwmgr)