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Merge tag 'drm-misc-fixes-2018-01-17' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

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Final 4.15 drm-misc pull:

Just 3 sun4i patches to fix clock computation/checks.

* tag 'drm-misc-fixes-2018-01-17' of git://anongit.freedesktop.org/drm/drm-misc:
  drm/sun4i: hdmi: Add missing rate halving check in sun4i_tmds_determine_rate
  drm/sun4i: hdmi: Fix incorrect assignment in sun4i_tmds_determine_rate
  drm/sun4i: hdmi: Check for unset best_parent in sun4i_tmds_determine_rate
This commit is contained in:
Dave Airlie 2018-01-18 13:30:22 +10:00
parent 894219d7d2 3b9c57cef4
commit 75f195f46f
1 changed files with 6 additions and 3 deletions
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9
drivers/gpu/drm/sun4i/sun4i_hdmi_tmds_clk.c
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@ -102,10 +102,13 @@ static int sun4i_tmds_determine_rate(struct clk_hw *hw,
goto out;
}
if (abs(rate - rounded / i) <
abs(rate - best_parent / best_div)) {
if (!best_parent ||
abs(rate - rounded / i / j) <
abs(rate - best_parent / best_half /
best_div)) {
best_parent = rounded;
best_div = i;
best_half = i;
best_div = j;
}
}
}