diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_suspend.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index c1e02b040a3..41f0fdecfbd 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -209,7 +209,8 @@ static void i915_save_display(struct drm_device *dev) dev_priv->regfile.saveBLC_PWM_CTL2 = I915_READ(BLC_PWM_PCH_CTL2); dev_priv->regfile.saveBLC_CPU_PWM_CTL = I915_READ(BLC_PWM_CPU_CTL); dev_priv->regfile.saveBLC_CPU_PWM_CTL2 = I915_READ(BLC_PWM_CPU_CTL2); - dev_priv->regfile.saveLVDS = I915_READ(PCH_LVDS); + if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) + dev_priv->regfile.saveLVDS = I915_READ(PCH_LVDS); } else { dev_priv->regfile.savePP_CONTROL = I915_READ(PP_CONTROL); dev_priv->regfile.savePFIT_PGM_RATIOS = I915_READ(PFIT_PGM_RATIOS); @@ -271,9 +272,9 @@ static void i915_restore_display(struct drm_device *dev) if (drm_core_check_feature(dev, DRIVER_MODESET)) mask = ~LVDS_PORT_EN; - if (HAS_PCH_SPLIT(dev)) { + if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) I915_WRITE(PCH_LVDS, dev_priv->regfile.saveLVDS & mask); - } else if (IS_MOBILE(dev) && !IS_I830(dev)) + else if (INTEL_INFO(dev)->gen <= 4 && IS_MOBILE(dev) && !IS_I830(dev)) I915_WRITE(LVDS, dev_priv->regfile.saveLVDS & mask); if (!IS_I830(dev) && !IS_845G(dev) && !HAS_PCH_SPLIT(dev)) |