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: Thierry Reding <treding@nvidia.com>
mariux64 · Jun 9, 2014 · 0c90a18 · 0c90a18
1 parent 899451b
commit 0c90a18
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c
@@ -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 */