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drm/radeon/kms: switch back to min->max pll post divider iteration
author
Alex Deucher
<alexdeucher@gmail.com>
Mon, 31 Jan 2011 21:48:50 +0000
(16:48 -0500)
committer
Dave Airlie
<airlied@redhat.com>
Wed, 2 Feb 2011 02:49:38 +0000
(12:49 +1000)
Seems more reliable. Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=26552
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/radeon_display.c
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diff --git
a/drivers/gpu/drm/radeon/radeon_display.c
b/drivers/gpu/drm/radeon/radeon_display.c
index
d26dabf
..
71788e9
100644
(file)
--- a/
drivers/gpu/drm/radeon/radeon_display.c
+++ b/
drivers/gpu/drm/radeon/radeon_display.c
@@
-849,7
+849,7
@@
void radeon_compute_pll(struct radeon_pll *pll,
max_fractional_feed_div = pll->max_frac_feedback_div;
}
- for (post_div = m
ax_post_div; post_div >= min_post_div; --
post_div) {
+ for (post_div = m
in_post_div; post_div <= max_post_div; ++
post_div) {
uint32_t ref_div;
if ((pll->flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1))