drm/radeon/dpm: adjust thermal protection requirements

On rv770 and newer, clock gating is not required
for thermal protection.  The only requirement is that
the design utilizes a thermal sensor.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c
index 9bcdd17..c840e07 100644
--- a/drivers/gpu/drm/radeon/cypress_dpm.c
+++ b/drivers/gpu/drm/radeon/cypress_dpm.c
@@ -2122,8 +2122,7 @@
 
 	pi->dynamic_pcie_gen2 = true;
 
-	if (pi->gfx_clock_gating &&
-	    (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE))
+	if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
 		pi->thermal_protection = true;
 	else
 		pi->thermal_protection = false;