lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

drm/radeon/kms: prefer high post dividers in legacy pll algo

Browse Source 
the hw prefers higher post dividers

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher
2010-09-29 11:37:39 -04:00
committed by Dave Airlie
parent f981d4633a
commit bcac54da0a
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/radeon/radeon_display.c
View File

@@ -513,7 +513,7 @@ static void radeon_compute_pll_legacy(struct radeon_pll *pll,
max_fractional_feed_div = pll->max_frac_feedback_div; max_fractional_feed_div = pll->max_frac_feedback_div;
} }
for (post_div = min_post_div; post_div <= max_post_div; ++post_div) { for (post_div = max_post_div; post_div >= min_post_div; --post_div) {
uint32_t ref_div; uint32_t ref_div;
if ((pll->flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1)) if ((pll->flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1))