From 311089d3d372c6f2b01a6d8a5ed7fcbcd9ad7621 Mon Sep 17 00:00:00 2001 From: Shaohua Li Date: Thu, 26 Nov 2009 14:22:41 +0800 Subject: [PATCH] drm/i915: use msleep for intel_wait_for_vblank 20ms delay is quite big and the routine isn't called in atomic context. better use msleep to let other tasks run. This can reduce cpu time used by Xorg, so potentially boost boot. Signed-off-by: Shaohua Li Signed-off-by: Eric Anholt --- drivers/gpu/drm/i915/intel_display.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index a1833cbfaafd..b6251cdd4ebf 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -950,7 +950,7 @@ void intel_wait_for_vblank(struct drm_device *dev) { /* Wait for 20ms, i.e. one cycle at 50hz. */ - mdelay(20); + msleep(20); } /* Parameters have changed, update FBC info */ -- 2.11.0