diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_uncore.c | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 1dbabb071c08..a19bceccb287 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -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); - - } } /* |