drm/tegra: sor - Do not hardcode link speed
Use the speed probed from the link at runtime rather than relying on a
hardcoded default.
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c
index ff025aa..4e354ee 100644
--- a/drivers/gpu/drm/tegra/sor.c
+++ b/drivers/gpu/drm/tegra/sor.c
@@ -658,10 +658,10 @@
usleep_range(250, 1000);
}
- /* set link bandwidth (2.7 GHz, XXX: parameterize based on link?) */
+ /* set link bandwidth */
value = tegra_sor_readl(sor, SOR_CLK_CNTRL);
value &= ~SOR_CLK_CNTRL_DP_LINK_SPEED_MASK;
- value |= SOR_CLK_CNTRL_DP_LINK_SPEED_G2_70;
+ value |= drm_dp_link_rate_to_bw_code(link.rate) << 2;
tegra_sor_writel(sor, value, SOR_CLK_CNTRL);
/* set linkctl */