From: Christian König Date: Wed, 21 May 2014 13:25:41 +0000 (+0200) Subject: drm/radeon: lower the ref * post PLL maximum once more X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4b21ce1b4b5d262e7d4656b8ececc891fc3cb806;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git drm/radeon: lower the ref * post PLL maximum once more Let's be conservative and use 100 here until we find something better. Bugs: https://bugzilla.kernel.org/show_bug.cgi?id=75241 Signed-off-by: Christian König --- diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index f00dbbf4d806..356b733caafe 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -862,7 +862,7 @@ static void avivo_get_fb_ref_div(unsigned nom, unsigned den, unsigned post_div, unsigned *fb_div, unsigned *ref_div) { /* limit reference * post divider to a maximum */ - ref_div_max = min(128 / post_div, ref_div_max); + ref_div_max = max(min(100 / post_div, ref_div_max), 1u); /* get matching reference and feedback divider */ *ref_div = min(max(DIV_ROUND_CLOSEST(den, post_div), 1u), ref_div_max);