Commit 40eab0f8 authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

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 5367eb6d

drivers/gpu/drm/radeon/radeon_display.c

+1 −1
Original line number Diff line number Diff line
@@ -933,7 +933,7 @@ static void avivo_get_fb_ref_div(unsigned nom, unsigned den, unsigned post_div, 


	/* get matching reference and feedback divider */

	*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 */

	if (*fb_div > fb_div_max) {