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path: root/drivers/gpu/drm/tegra/dp.c
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Diffstat (limited to 'drivers/gpu/drm/tegra/dp.c')
-rw-r--r--drivers/gpu/drm/tegra/dp.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/dp.c b/drivers/gpu/drm/tegra/dp.c
index ca287b50fad8..638081b568f4 100644
--- a/drivers/gpu/drm/tegra/dp.c
+++ b/drivers/gpu/drm/tegra/dp.c
@@ -225,5 +225,12 @@ int drm_dp_link_configure(struct drm_dp_aux *aux, struct drm_dp_link *link)
if (err < 0)
return err;
+ if (link->caps.alternate_scrambler_reset) {
+ err = drm_dp_dpcd_writeb(aux, DP_EDP_CONFIGURATION_SET,
+ DP_ALTERNATE_SCRAMBLER_RESET_ENABLE);
+ if (err < 0)
+ return err;
+ }
+
return 0;
}