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-rw-r--r--drivers/gpu/drm/radeon/radeon_display.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index f00dbbf4d80..356b733caaf 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);