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Commit 0c90a184 authored by Thierry Reding's avatar Thierry Reding
Browse files

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: default avatarThierry Reding <treding@nvidia.com>
parent 899451b7

drivers/gpu/drm/tegra/sor.c

+1 −1
Original line number Diff line number Diff line
@@ -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 */