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authorAlex Deucher <alexdeucher@gmail.com>2011-02-21 01:11:59 -0500
committerDave Airlie <airlied@redhat.com>2011-02-23 10:07:24 +1000
commitbd6a60afeb4c9ada3ff27f1d13db1a2b5c11d8c0 (patch)
treeecfb7c5be484cbfb2e27ae513ef84aaa278bd935 /drivers/gpu/drm
parentd8204a37baf5474d3154eb536c936369be2bd5c0 (diff)
Revert "drm/radeon/kms: switch back to min->max pll post divider iteration"
This reverts commit a6f9761743bf35b052180f4a8bdae4d2cc0465f6. Remove this commit as it is no longer necessary. The relevant bugs were fixed properly in: drm/radeon/kms: hopefully fix pll issues for real (v3) 5b40ddf888398ce4cccbf3b9d0a18d90149ed7ff drm/radeon/kms: add missing frac fb div flag for dce4+ 9f4283f49f0a96a64c5a45fe56f0f8c942885eef This commit also broke certain ~5 Mhz modes on old arcade monitors, so reverting this commit fixes: https://bugzilla.kernel.org/show_bug.cgi?id=29502 Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/radeon/radeon_display.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 0e657095de7..3e7e7f9eb78 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -971,7 +971,7 @@ void radeon_compute_pll_legacy(struct radeon_pll *pll,
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;
if ((pll->flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1))