Commit c4a27288 authored by Thierry Reding's avatar Thierry Reding
Browse files

drm/tegra: dp: Enable alternate scrambler reset when supported 



If the sink is eDP and supports the alternate scrambler reset, enable
it.

Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 553769ff

drivers/gpu/drm/tegra/dp.c

+7 −0
Original line number Diff line number Diff line
@@ -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;

}