Commit 0f3cd13d authored by Christian König's avatar Christian König Committed by Alex Deucher

drm/radeon: revert "Prefer lower feedback dividers"

Turns out this breaks a lot of different hardware.

This reverts commit fc8c7052.
Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Acked-by: default avatarNirmoy Das <nirmoy.das@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 719a6513
...@@ -933,7 +933,7 @@ static void avivo_get_fb_ref_div(unsigned nom, unsigned den, unsigned post_div, ...@@ -933,7 +933,7 @@ static void avivo_get_fb_ref_div(unsigned nom, unsigned den, unsigned post_div,
/* get matching reference and feedback divider */ /* get matching reference and feedback divider */
*ref_div = min(max(den/post_div, 1u), ref_div_max); *ref_div = min(max(den/post_div, 1u), ref_div_max);
*fb_div = max(nom * *ref_div * post_div / den, 1u); *fb_div = DIV_ROUND_CLOSEST(nom * *ref_div * post_div, den);
/* limit fb divider to its maximum */ /* limit fb divider to its maximum */
if (*fb_div > fb_div_max) { if (*fb_div > fb_div_max) {
......
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