diff options
Diffstat (limited to 'drivers/gpu/drm/tegra')
| -rw-r--r-- | drivers/gpu/drm/tegra/dp.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/tegra/dp.c b/drivers/gpu/drm/tegra/dp.c index 757a0256592f..ca287b50fad8 100644 --- a/drivers/gpu/drm/tegra/dp.c +++ b/drivers/gpu/drm/tegra/dp.c @@ -203,7 +203,7 @@ int drm_dp_link_power_down(struct drm_dp_aux *aux, struct drm_dp_link *link) */ int drm_dp_link_configure(struct drm_dp_aux *aux, struct drm_dp_link *link) { - u8 values[2]; + u8 values[2], value; int err; values[0] = drm_dp_link_rate_to_bw_code(link->rate); @@ -216,5 +216,14 @@ int drm_dp_link_configure(struct drm_dp_aux *aux, struct drm_dp_link *link) if (err < 0) return err; + if (link->caps.channel_coding) + value = DP_SET_ANSI_8B10B; + else + value = 0; + + err = drm_dp_dpcd_writeb(aux, DP_MAIN_LINK_CHANNEL_CODING_SET, value); + if (err < 0) + return err; + return 0; } |