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drm/radeon: lower the ref * post PLL maximum

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Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=75241

Signed-off-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Christian König 2014-05-01 19:00:41 +02:00
parent cde10122dc
commit cbe655137a
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/radeon/radeon_display.c
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@ -862,7 +862,7 @@ static void avivo_get_fb_ref_div(unsigned nom, unsigned den, unsigned post_div,
unsigned *fb_div, unsigned *ref_div) unsigned *fb_div, unsigned *ref_div)
{ {
/* limit reference * post divider to a maximum */ /* limit reference * post divider to a maximum */
ref_div_max = min(210 / post_div, ref_div_max); ref_div_max = min(128 / post_div, ref_div_max);
/* get matching reference and feedback divider */ /* get matching reference and feedback divider */
*ref_div = min(max(DIV_ROUND_CLOSEST(den, post_div), 1u), ref_div_max); *ref_div = min(max(DIV_ROUND_CLOSEST(den, post_div), 1u), ref_div_max);