For now, we simple reuse the Ivy Bridge routines here.
Signed-off-by: Eugeni Dodonov <[email protected]>
---
drivers/gpu/drm/i915/intel_pm.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index bd9549d..452a9bc 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3685,6 +3685,17 @@ void intel_init_pm(struct drm_device *dev)
}
dev_priv->display.init_clock_gating =
ivybridge_init_clock_gating;
dev_priv->display.sanitize_pm = gen6_sanitize_pm;
+ } else if (IS_HASWELL(dev)) {
+ if (SNB_READ_WM0_LATENCY()) {
+ dev_priv->display.update_wm =
sandybridge_update_wm;
+ dev_priv->display.update_sprite_wm =
sandybridge_update_sprite_wm;
+ } else {
+ DRM_DEBUG_KMS("Failed to read display plane
latency. "
+ "Disable CxSR\n");
+ dev_priv->display.update_wm = NULL;
+ }
+ dev_priv->display.init_clock_gating =
ivybridge_init_clock_gating;
+ dev_priv->display.sanitize_pm = gen6_sanitize_pm;
} else
dev_priv->display.update_wm = NULL;
} else if (IS_VALLEYVIEW(dev)) {
--
1.7.10
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