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drm/i915: Don't read sprite LP2+ registers on ILK/SNB

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Sprite LP2+ registers don't exist on ILK/SNB so don't read them.

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 2014-03-07 18:32:08 +02:00 committed by Daniel Vetter
parent ad2ac08bf3
commit cfa7698bd4
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/i915/intel_pm.c
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@ -2664,8 +2664,10 @@ void ilk_wm_get_hw_state(struct drm_device *dev)
hw->wm_lp[2] = I915_READ(WM3_LP_ILK);
hw->wm_lp_spr[0] = I915_READ(WM1S_LP_ILK);
hw->wm_lp_spr[1] = I915_READ(WM2S_LP_IVB);
hw->wm_lp_spr[2] = I915_READ(WM3S_LP_IVB);
if (INTEL_INFO(dev)->gen >= 7) {
hw->wm_lp_spr[1] = I915_READ(WM2S_LP_IVB);
hw->wm_lp_spr[2] = I915_READ(WM3S_LP_IVB);
}
if (IS_HASWELL(dev) || IS_BROADWELL(dev))
hw->partitioning = (I915_READ(WM_MISC) & WM_MISC_DATA_PARTITION_5_6) ?