drm/amd/powerplay: remove unneeded conversions to bool

Found with scripts/coccinelle/misc/boolconv.cocci.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -239,7 +239,7 @@ static int pp_set_powergating_state(void *handle,
 
 	/* Enable/disable GFX per cu powergating through SMU */
 	return hwmgr->hwmgr_func->enable_per_cu_power_gating(hwmgr,
-			state == AMD_PG_STATE_GATE ? true : false);
+			state == AMD_PG_STATE_GATE);
 }
 
 static int pp_suspend(void *handle)

drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c

@@ -113,7 +113,7 @@ int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr)
 				NULL, NULL);
 	}
 
-	enabled = ret == 0 ? true : false;
+	enabled = ret == 0;
 
 	cgs_notify_dpm_enabled(hwmgr->device, enabled);