diff options
Diffstat (limited to 'drivers/gpu/drm/msm/dp/dp_ctrl.c')
| -rw-r--r-- | drivers/gpu/drm/msm/dp/dp_ctrl.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_ctrl.c b/drivers/gpu/drm/msm/dp/dp_ctrl.c index 9c80b493f974..f98df9355b88 100644 --- a/drivers/gpu/drm/msm/dp/dp_ctrl.c +++ b/drivers/gpu/drm/msm/dp/dp_ctrl.c @@ -1083,7 +1083,7 @@ static int dp_ctrl_link_train_1(struct dp_ctrl_private *ctrl, *training_step = DP_TRAINING_1; - ret = dp_catalog_ctrl_set_pattern(ctrl->catalog, DP_TRAINING_PATTERN_1); + ret = dp_catalog_ctrl_set_pattern_state_bit(ctrl->catalog, 1); if (ret) return ret; dp_ctrl_train_pattern_set(ctrl, DP_TRAINING_PATTERN_1 | @@ -1181,7 +1181,8 @@ static int dp_ctrl_link_train_2(struct dp_ctrl_private *ctrl, int *training_step) { int tries = 0, ret = 0; - char pattern; + u8 pattern; + u32 state_ctrl_bit; int const maximum_retries = 5; u8 link_status[DP_LINK_STATUS_SIZE]; @@ -1189,12 +1190,18 @@ static int dp_ctrl_link_train_2(struct dp_ctrl_private *ctrl, *training_step = DP_TRAINING_2; - if (drm_dp_tps3_supported(ctrl->panel->dpcd)) + if (drm_dp_tps4_supported(ctrl->panel->dpcd)) { + pattern = DP_TRAINING_PATTERN_4; + state_ctrl_bit = 4; + } else if (drm_dp_tps3_supported(ctrl->panel->dpcd)) { pattern = DP_TRAINING_PATTERN_3; - else + state_ctrl_bit = 3; + } else { pattern = DP_TRAINING_PATTERN_2; + state_ctrl_bit = 2; + } - ret = dp_catalog_ctrl_set_pattern(ctrl->catalog, pattern); + ret = dp_catalog_ctrl_set_pattern_state_bit(ctrl->catalog, state_ctrl_bit); if (ret) return ret; |