From 94f45bcd1c29e773b6bf189ef7b9a3437d016320 Mon Sep 17 00:00:00 2001 From: Ville Syrjala Date: Tue, 8 May 2007 00:39:44 -0700 Subject: [PATCH] atyfb: increase SPLL delay Wait 5 ms instead of 500 us for the SPLL to lock. This matches the recommendation in mach64 programmer's guide. Signed-off-by: Antonino Daplas Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/video/aty/mach64_ct.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/video/aty/mach64_ct.c b/drivers/video/aty/mach64_ct.c index 1fdcfdbf669b..cc9e9779b75f 100644 --- a/drivers/video/aty/mach64_ct.c +++ b/drivers/video/aty/mach64_ct.c @@ -608,12 +608,10 @@ static void aty_resume_pll_ct(const struct fb_info *info, aty_st_pll_ct(SCLK_FB_DIV, pll->ct.sclk_fb_div, par); aty_st_pll_ct(SPLL_CNTL2, pll->ct.spll_cntl2, par); /* - * The sclk has been started. However, I believe the first clock - * ticks it generates are not very stable. Hope this primitive loop - * helps for Rage Mobilities that sometimes crash when - * we switch to sclk. (Daniel Mantione, 13-05-2003) + * SCLK has been started. Wait for the PLL to lock. 5 ms + * should be enough according to mach64 programmer's guide. */ - udelay(500); + mdelay(5); } aty_st_pll_ct(PLL_REF_DIV, pll->ct.pll_ref_div, par); -- 2.20.1