diff options
Diffstat (limited to 'linux-core/i915_opregion.c')
| -rw-r--r-- | linux-core/i915_opregion.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/linux-core/i915_opregion.c b/linux-core/i915_opregion.c index d015db28..1fa599ea 100644 --- a/linux-core/i915_opregion.c +++ b/linux-core/i915_opregion.c @@ -248,22 +248,21 @@ void opregion_enable_asle(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; struct opregion_asle *asle = dev_priv->opregion.asle; - u32 mask = 0; if (asle) { - u32 pipeb_stats = I915_READ(PIPEBSTAT); if (IS_MOBILE(dev)) { + u32 pipeb_stats = I915_READ(PIPEBSTAT); /* Some hardware uses the legacy backlight controller to signal interrupts, so we need to set up pipe B to generate an IRQ on writes */ - I915_WRITE(PIPEBSTAT, pipeb_stats |= - I915_LEGACY_BLC_EVENT_ENABLE); - mask = I915_ASLE_INTERRUPT | - I915_DISPLAY_PIPE_B_EVENT_INTERRUPT; - } else - mask = I915_ASLE_INTERRUPT; - - dev_priv->irq_mask_reg &= ~mask; + pipeb_stats |= I915_LEGACY_BLC_EVENT_ENABLE; + I915_WRITE(PIPEBSTAT, pipeb_stats); + + dev_priv->irq_mask_reg &= + ~I915_DISPLAY_PIPE_B_EVENT_INTERRUPT; + } + + dev_priv->irq_mask_reg &= ~I915_ASLE_INTERRUPT; asle->tche = ASLE_ALS_EN | ASLE_BLC_EN | ASLE_PFIT_EN | ASLE_PFMB_EN; |