diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dp_link_training.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_link_training.h | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.h b/drivers/gpu/drm/i915/display/intel_dp_link_training.h index 01f1dabbb060..86905aa24db7 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.h +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.h @@ -8,11 +8,24 @@ #include <drm/drm_dp_helper.h> +struct intel_crtc_state; struct intel_dp; +int intel_dp_lttpr_init(struct intel_dp *intel_dp); + void intel_dp_get_adjust_train(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state, + enum drm_dp_phy dp_phy, const u8 link_status[DP_LINK_STATUS_SIZE]); -void intel_dp_start_link_train(struct intel_dp *intel_dp); -void intel_dp_stop_link_train(struct intel_dp *intel_dp); +void intel_dp_start_link_train(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state); +void intel_dp_stop_link_train(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state); + +/* Get the TPSx symbol type of the value programmed to DP_TRAINING_PATTERN_SET */ +static inline u8 intel_dp_training_pattern_symbol(u8 pattern) +{ + return pattern & ~DP_LINK_SCRAMBLING_DISABLE; +} #endif /* __INTEL_DP_LINK_TRAINING_H__ */ |