1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 3efcf1a526be..bc312f3d9a0a 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -491,7 +491,11 @@ void radeon_compute_pll(struct radeon_pll *pll,
                                         tmp += (uint64_t)pll->reference_freq * 1000 * frac_feedback_div;
                                         current_freq = radeon_div(tmp, ref_div * post_div);
 
-                                        error = abs(current_freq - freq);
+                                        if (flags & RADEON_PLL_PREFER_CLOSEST_LOWER) {
+                                                error = freq - current_freq;
+                                                error = error < 0 ? 0xffffffff : error;
+                                        } else
+                                                error = abs(current_freq - freq);
                                         vco_diff = abs(vco - best_vco);
 
                                         if ((best_vco == 0 && error < best_error) ||