diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2012-07-20 16:42:59 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2012-07-20 16:42:59 +0900 |
| commit | 9ff561fdf73493d757bbc74aa58627e1381650fb (patch) | |
| tree | 4484d230662126b1ac94ea545ca5429c91e0a68b /drivers/gpu/drm/i915/i915_suspend.c | |
| parent | 7b98cf0cf4e8798b9e7435f966ed0d90a2a925de (diff) | |
| parent | fdd85ec3eb8cc1b663678a3efa16ee59a32e0277 (diff) | |
Merge branch 'common/pinctrl' into sh-latest
Diffstat (limited to 'drivers/gpu/drm/i915/i915_suspend.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_suspend.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 0ede02a99d9..a748e5cabe1 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -740,8 +740,11 @@ static void i915_restore_display(struct drm_device *dev) if (HAS_PCH_SPLIT(dev)) { I915_WRITE(BLC_PWM_PCH_CTL1, dev_priv->saveBLC_PWM_CTL); I915_WRITE(BLC_PWM_PCH_CTL2, dev_priv->saveBLC_PWM_CTL2); - I915_WRITE(BLC_PWM_CPU_CTL, dev_priv->saveBLC_CPU_PWM_CTL); + /* NOTE: BLC_PWM_CPU_CTL must be written after BLC_PWM_CPU_CTL2; + * otherwise we get blank eDP screen after S3 on some machines + */ I915_WRITE(BLC_PWM_CPU_CTL2, dev_priv->saveBLC_CPU_PWM_CTL2); + I915_WRITE(BLC_PWM_CPU_CTL, dev_priv->saveBLC_CPU_PWM_CTL); I915_WRITE(PCH_PP_ON_DELAYS, dev_priv->savePP_ON_DELAYS); I915_WRITE(PCH_PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS); I915_WRITE(PCH_PP_DIVISOR, dev_priv->savePP_DIVISOR); |