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drm/i915: fix flip done interrupt on Ironlake

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On Ironlake plane flip interrupt means flip done event already, the
behavior is not like old chips, and perform like other usual interrupt.
So only need to handle flip done event when receiving that interrupt.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Zhenyu Wang 2010-02-09 09:46:19 +08:00 committed by Eric Anholt
parent b1b87f6b65
commit f072d2e771
1 changed files with 9 additions and 9 deletions
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18
drivers/gpu/drm/i915/i915_irq.c
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@ -309,22 +309,22 @@ irqreturn_t ironlake_irq_handler(struct drm_device *dev)
if (de_iir & DE_GSE)
ironlake_opregion_gse_intr(dev);
if (de_iir & DE_PLANEA_FLIP_DONE)
if (de_iir & DE_PLANEA_FLIP_DONE) {
intel_prepare_page_flip(dev, 0);
if (de_iir & DE_PLANEB_FLIP_DONE)
intel_prepare_page_flip(dev, 1);
if (de_iir & DE_PIPEA_VBLANK) {
drm_handle_vblank(dev, 0);
intel_finish_page_flip(dev, 0);
}
if (de_iir & DE_PIPEB_VBLANK) {
drm_handle_vblank(dev, 1);
if (de_iir & DE_PLANEB_FLIP_DONE) {
intel_prepare_page_flip(dev, 1);
intel_finish_page_flip(dev, 1);
}
if (de_iir & DE_PIPEA_VBLANK)
drm_handle_vblank(dev, 0);
if (de_iir & DE_PIPEB_VBLANK)
drm_handle_vblank(dev, 1);
/* check event from PCH */
if ((de_iir & DE_PCH_EVENT) &&
(pch_iir & SDE_HOTPLUG_MASK)) {