提交 0c90a184 编写于 作者: T Thierry Reding

drm/tegra: sor - Enable only the necessary number of lanes

Instead of always enabling all four lanes, enable only the number probed
from the link.
Signed-off-by: NThierry Reding <treding@nvidia.com>
上级 899451b7
......@@ -656,7 +656,7 @@ static int tegra_output_sor_enable(struct tegra_output *output)
value = tegra_sor_readl(sor, SOR_DP_LINKCTL_0);
value &= ~SOR_DP_LINKCTL_LANE_COUNT_MASK;
value |= SOR_DP_LINKCTL_LANE_COUNT(4);
value |= SOR_DP_LINKCTL_LANE_COUNT(link.num_lanes);
tegra_sor_writel(sor, value, SOR_DP_LINKCTL_0);
/* start lane sequencer */
......
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