diff options
| author | Ville Syrjala <syrjala@sci.fi> | 2007-05-08 00:39:44 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 11:15:32 -0700 |
| commit | 94f45bcd1c29e773b6bf189ef7b9a3437d016320 (patch) | |
| tree | 6995abee26c7b861de84add49f98582dd41f0638 /drivers | |
| parent | 2620c6e31735248ac26403558bd4279a8af619d8 (diff) | |
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 <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/aty/mach64_ct.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/video/aty/mach64_ct.c b/drivers/video/aty/mach64_ct.c index 1fdcfdbf669..cc9e9779b75 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); |