diff options
| -rw-r--r-- | drivers/gpu/drm/tegra/dp.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/gpu/drm/tegra/dp.c b/drivers/gpu/drm/tegra/dp.c index e7602fc39a4a..f9234f66062d 100644 --- a/drivers/gpu/drm/tegra/dp.c +++ b/drivers/gpu/drm/tegra/dp.c @@ -47,21 +47,20 @@ static void drm_dp_link_reset(struct drm_dp_link *link) */ int drm_dp_link_probe(struct drm_dp_aux *aux, struct drm_dp_link *link) { - u8 values[3]; + u8 dpcd[DP_RECEIVER_CAP_SIZE]; int err; drm_dp_link_reset(link); - err = drm_dp_dpcd_read(aux, DP_DPCD_REV, values, sizeof(values)); + err = drm_dp_dpcd_read(aux, DP_DPCD_REV, dpcd, sizeof(dpcd)); if (err < 0) return err; - link->revision = values[0]; - link->max_rate = drm_dp_bw_code_to_link_rate(values[1]); - link->max_lanes = values[2] & DP_MAX_LANE_COUNT_MASK; + link->revision = dpcd[DP_DPCD_REV]; + link->max_rate = drm_dp_max_link_rate(dpcd); + link->max_lanes = drm_dp_max_lane_count(dpcd); - if (values[2] & DP_ENHANCED_FRAME_CAP) - link->caps.enhanced_framing = true; + link->caps.enhanced_framing = drm_dp_enhanced_frame_cap(dpcd); link->rate = link->max_rate; link->lanes = link->max_lanes; |