drm/i915: enable vblank interrupt on ironlake

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so far vblank interrupt on ironlake is disabled, this would cause
bad gfx performance if userspace calls drm_wait_vblank. This patch
enables vblank interrupt on ironlake and follows vblank get/put
model.

Signed-off-by: Li Peng <peng.li@intel.com>
Acked-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>

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Li Peng 2010-01-23 00:12:58 +08:00 • committed by Eric Anholt

parent 0ce907f891

commit c062df6196

2 changed files with 20 additions and 11 deletions

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30

drivers/gpu/drm/i915/i915_irq.c

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1

drivers/gpu/drm/i915/intel_display.c

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