[Intel-gfx] [PATCH 6/8] drm/i915: restrict HSW specific powerdomains HW init to HSW

[Imre Deak]

Signed-off-by: Imre Deak <imre.deak at intel.com>
---
 drivers/gpu/drm/i915/intel_pm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index ab85e89..ba4baf1 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5774,6 +5774,9 @@ void intel_power_domains_init_hw(struct drm_device *dev)
 	intel_display_set_init_power(dev, true);
 	intel_power_domains_resume(dev);
 
+	if (!(IS_HASWELL(dev)))
+		return;
+
 	/* We're taking over the BIOS, so clear any requests made by it since
 	 * the driver is in charge now. */
 	if (I915_READ(HSW_PWR_WELL_BIOS) & HSW_PWR_WELL_ENABLE_REQUEST)
-- 
1.8.4