From 0c90a184664abf657e3849f7e47e2e7fd1d93910 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Thu, 5 Jun 2014 16:29:46 +0200 Subject: [PATCH] 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 --- drivers/gpu/drm/tegra/sor.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c index fefd26f0c751..7d2a5db72365 100644 --- 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 */ -- GitLab