Re: [Intel-gfx] [PATCH] drm/i915: Fix sync to vblank when VGA output is turned off

2009-12-01 Thread Eric Anholt
On Mon, 09 Nov 2009 12:51:22 +0800, Li Peng peng...@linux.intel.com wrote: In current vblank-wait implementation, if we turn off VGA output, drm_wait_vblank will still wait on the disabled pipe until timeout, because vblank on the pipe is assumed be enabled. This would cause slow system

Re: [Intel-gfx] [PATCH] drm/i915: Fix sync to vblank when VGA output is turned off

2009-12-01 Thread Jesse Barnes
On Tue, 01 Dec 2009 10:28:17 -0800 Eric Anholt e...@anholt.net wrote: On Mon, 09 Nov 2009 12:51:22 +0800, Li Peng peng...@linux.intel.com wrote: In current vblank-wait implementation, if we turn off VGA output, drm_wait_vblank will still wait on the disabled pipe until timeout, because