From: Alex Deucher Date: Mon, 21 Feb 2011 06:11:59 +0000 (-0500) Subject: Revert "drm/radeon/kms: switch back to min->max pll post divider iteration" X-Git-Tag: v2.6.38-rc7~48^2~7 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bd6a60afeb4c9ada3ff27f1d13db1a2b5c11d8c0;p=profile%2Fivi%2Fkernel-x86-ivi.git 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 Cc: stable@kernel.org Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 0e65709..3e7e7f9 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))