Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: GMA500: ERROR: "__bad_udelay" undefined! | Date | Mon, 25 Jul 2011 23:08:42 +0200 |
| |
On Monday 25 July 2011 11:28:44 Ryan Mallon wrote: > > diff --git a/drivers/staging/gma500/psb_intel_display.c b/drivers/staging/gma500/psb_intel_display.c > index 4f47d09..09e378d 100644 > --- a/drivers/staging/gma500/psb_intel_display.c > +++ b/drivers/staging/gma500/psb_intel_display.c > @@ -331,7 +331,7 @@ static bool psb_intel_find_best_PLL(struct drm_crtc *crtc, int target, > void psb_intel_wait_for_vblank(struct drm_device *dev) > { > /* Wait for 20ms, i.e. one cycle at 50hz. */ > - udelay(20000); > + mdelay(20); > } > > int psb_intel_pipe_set_base(struct drm_crtc *crtc,
A 20 ms busy wait is rather nasty. Can't this be replaced with a sleeping wait (msleep)?
Arnd
| |