From ed41735311de6bf25fda1d7e9229138e268d3842 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 21 Feb 2011 01:11:59 -0500 Subject: [PATCH] Revert "drm/radeon/kms: switch back to min->max pll post divider iteration" This reverts commit ca89b6905d162f78392a0b2f19190264304252b8. 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) d0d5f2795d425345f0f3fa3d7f9937d599e61b19 drm/radeon/kms: add missing frac fb div flag for dce4+ c89f599b0132c6a708c0f4f889ce295d9511ba0d 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 Cc: stable@kernel.org Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/radeon_display.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 0e657095de7cb..3e7e7f9eb781a 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)) -- 2.39.5