diff options
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 8154cdf796e4..a68728dbd41d 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -558,15 +558,17 @@ static void radeon_compute_pll_legacy(struct radeon_pll *pll, current_freq = radeon_div(tmp, ref_div * post_div); if (pll->flags & RADEON_PLL_PREFER_CLOSEST_LOWER) { - error = freq - current_freq; - error = error < 0 ? 0xffffffff : error; + if (freq < current_freq) + error = 0xffffffff; + else + error = freq - current_freq; } else error = abs(current_freq - freq); vco_diff = abs(vco - best_vco); if ((best_vco == 0 && error < best_error) || (best_vco != 0 && - (error < best_error - 100 || + ((best_error > 100 && error < best_error - 100) || (abs(error - best_error) < 100 && vco_diff < best_vco_diff)))) { best_post_div = post_div; best_ref_div = ref_div; |