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drm/i915/vlv: drop power well enable in uncore_sanitize 

We do this at runtime and later on now.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Jesse Barnes 2014-05-23 13:16:41 -07:00 committed by Daniel Vetter
parent 5702105984
commit de0760469b
1 changed files with 0 additions and 18 deletions
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18
drivers/gpu/drm/i915/intel_uncore.c
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@ -391,26 +391,8 @@ void intel_uncore_early_sanitize(struct drm_device *dev)
void intel_uncore_sanitize(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 reg_val;
/* BIOS often leaves RC6 enabled, but disable it for hw init */
intel_disable_gt_powersave(dev);
/* Turn off power gate, require especially for the BIOS less system */
if (IS_VALLEYVIEW(dev)) {
mutex_lock(&dev_priv->rps.hw_lock);
reg_val = vlv_punit_read(dev_priv, PUNIT_REG_PWRGT_STATUS);
if (reg_val & (PUNIT_PWRGT_PWR_GATE(PUNIT_POWER_WELL_RENDER) |
PUNIT_PWRGT_PWR_GATE(PUNIT_POWER_WELL_MEDIA) |
PUNIT_PWRGT_PWR_GATE(PUNIT_POWER_WELL_DISP2D)))
vlv_punit_write(dev_priv, PUNIT_REG_PWRGT_CTRL, 0x0);
mutex_unlock(&dev_priv->rps.hw_lock);
}
}
/*