1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index dac78ad24b31..42b2ea3fdcf3 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -580,6 +580,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
                 else
                         radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
 
+                /* if there is no audio, set MINM_OVER_MAXP  */
+                if (!drm_detect_monitor_audio(radeon_connector_edid(connector)))
+                        radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
                 if (rdev->family < CHIP_RV770)
                         radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
                 /* use frac fb div on APUs */