diff options
author | Zhao Yakui <yakui.zhao@intel.com> | 2010-04-07 16:45:57 +0800 |
---|---|---|
committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2010-04-07 16:45:57 +0800 |
commit | 2cdad79c824083b2c5dd431ba646cedb9f73d85d (patch) | |
tree | 62647432a2a5c226cf0e9320443a2160d8a3fa18 | |
parent | 44a9b2e920e3471b1747ef717a6f6094b8dec91a (diff) |
drm/i915: Fix legacy BLC event for pipe A
OpRegion event on 965G requires legacy BLC event enabled in pipe stat. As LVDS
could be on either pipe now, we should enable BLC event on both pipe. If fail to
do so, we couldn't handle the brightness request triggered from graphics
opregion.
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
-rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 5b53adfad40..59b6433d9ac 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -168,9 +168,13 @@ void intel_enable_asle (struct drm_device *dev) if (HAS_PCH_SPLIT(dev)) ironlake_enable_display_irq(dev_priv, DE_GSE); - else + else { i915_enable_pipestat(dev_priv, 1, I915_LEGACY_BLC_EVENT_ENABLE); + if (IS_I965G(dev)) + i915_enable_pipestat(dev_priv, 0, + I915_LEGACY_BLC_EVENT_ENABLE); + } } /** @@ -945,7 +949,8 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) intel_finish_page_flip(dev, 1); } - if ((pipeb_stats & I915_LEGACY_BLC_EVENT_STATUS) || + if ((pipea_stats & I915_LEGACY_BLC_EVENT_STATUS) || + (pipeb_stats & I915_LEGACY_BLC_EVENT_STATUS) || (iir & I915_ASLE_INTERRUPT)) opregion_asle_intr(dev); |