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drm/i915: Enable watermarks for BDW 

We forgot to intialize the watermark vfuncs for BDW, and hence the
watermarks were never updated.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2014-01-07 16:14:09 +02:00 committed by Daniel Vetter
parent a42a57196a
commit 03dce88129
1 changed files with 11 additions and 0 deletions
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11
drivers/gpu/drm/i915/intel_pm.c
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@ -5627,6 +5627,17 @@ void intel_init_pm(struct drm_device *dev)
}
dev_priv->display.init_clock_gating = haswell_init_clock_gating;
} else if (INTEL_INFO(dev)->gen == 8) {
if (dev_priv->wm.pri_latency[0] &&
dev_priv->wm.spr_latency[0] &&
dev_priv->wm.cur_latency[0]) {
dev_priv->display.update_wm = ilk_update_wm;
dev_priv->display.update_sprite_wm =
ilk_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 = gen8_init_clock_gating;
} else
dev_priv->display.update_wm = NULL;