drm/radeon: lower the ref * post PLL maximum
Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=75241
Signed-off-by: Christian König <christian.koenig@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 9ff0e2f..408b6ac 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -862,7 +862,7 @@
unsigned *fb_div, unsigned *ref_div)
{
/* 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 */
*ref_div = min(max(DIV_ROUND_CLOSEST(den, post_div), 1u), ref_div_max);
