diff options
Diffstat (limited to 'include/drm/drm_dp_helper.h')
| -rw-r--r-- | include/drm/drm_dp_helper.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 1252108da0ef..63b8bd502444 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -73,6 +73,7 @@ # define DP_ENHANCED_FRAME_CAP (1 << 7) #define DP_MAX_DOWNSPREAD 0x003 +# define DP_MAX_DOWNSPREAD_0_5 (1 << 0) # define DP_NO_AUX_HANDSHAKE_LINK_TRAINING (1 << 6) #define DP_NORP 0x004 @@ -621,6 +622,7 @@ u8 drm_dp_get_adjust_request_pre_emphasis(const u8 link_status[DP_LINK_STATUS_SI #define DP_BRANCH_OUI_HEADER_SIZE 0xc #define DP_RECEIVER_CAP_SIZE 0xf #define EDP_PSR_RECEIVER_CAP_SIZE 2 +#define EDP_DISPLAY_CTL_CAP_SIZE 3 void drm_dp_link_train_clock_recovery_delay(const u8 dpcd[DP_RECEIVER_CAP_SIZE]); void drm_dp_link_train_channel_eq_delay(const u8 dpcd[DP_RECEIVER_CAP_SIZE]); @@ -655,6 +657,8 @@ struct edp_vsc_psr { #define EDP_VSC_PSR_UPDATE_RFB (1<<1) #define EDP_VSC_PSR_CRC_VALUES_VALID (1<<2) +int drm_dp_psr_setup_time(const u8 psr_cap[EDP_PSR_RECEIVER_CAP_SIZE]); + static inline int drm_dp_max_link_rate(const u8 dpcd[DP_RECEIVER_CAP_SIZE]) { @@ -745,7 +749,14 @@ struct drm_dp_aux { struct mutex hw_mutex; ssize_t (*transfer)(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg); - unsigned i2c_nack_count, i2c_defer_count; + /** + * @i2c_nack_count: Counts I2C NACKs, used for DP validation. + */ + unsigned i2c_nack_count; + /** + * @i2c_defer_count: Counts I2C DEFERs, used for DP validation. + */ + unsigned i2c_defer_count; }; ssize_t drm_dp_dpcd_read(struct drm_dp_aux *aux, unsigned int offset, @@ -803,6 +814,7 @@ int drm_dp_link_power_up(struct drm_dp_aux *aux, struct drm_dp_link *link); 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); +void drm_dp_aux_init(struct drm_dp_aux *aux); int drm_dp_aux_register(struct drm_dp_aux *aux); void drm_dp_aux_unregister(struct drm_dp_aux *aux); |