Lines Matching +full:needs +full:- +full:hpd
2 * Copyright 2012-2023 Advanced Micro Devices, Inc.
108 // for example, 1080p -> 8K is 4.0, or 4000 raw value
116 // for example, 8K -> 1080p is 0.25, or 250 raw value
128 * DOC: color-management-caps
133 * abstracted HW. DCE 5-12 had almost no important changes, but starting with
140 * struct rom_curve_caps - predefined transfer function caps for degamma and regamma
156 * struct dpp_color_caps - color pipeline capabilities for display pipe and
161 * just plain 256-entry lookup
170 * @dgam_rom_for_yuv: pre-defined degamma LUT for YUV planes
171 * @dgam_rom_caps: pre-definied curve caps for degamma 1D LUT
172 * @ogam_rom_caps: pre-definied curve caps for regamma 1D LUT
192 * struct mpc_color_caps - color pipeline capabilities for multiple pipe and
201 * @ogam_rom_caps: pre-definied curve caps for regamma 1D LUT
213 * struct dc_color_caps - color pipes capabilities for DPP and MPC hw blocks
384 * re-programming however do not affect bandwidth consumption or clock
393 * gamma need to be adjusted or pipe needs to be turned on (or disconnected) we do
521 INGAME_FAMS_SINGLE_DISP_ENABLE, // enable in-game fams
522 INGAME_FAMS_DISABLE, // disable in-game fams
523 INGAME_FAMS_MULTI_DISP_ENABLE, //enable in-game fams for multi-display
524 …INGAME_FAMS_MULTI_DISP_CLAMPED_ONLY, //enable in-game fams for multi-display only for clamped RR s…
528 * enum pipe_split_policy - Pipe split strategy supported by DCN
536 * pipe in order to bring the best trade-off between performance and
568 DCN_PWR_STATE_UNKNOWN = -1,
583 * struct dc_clocks - DC pipe clocks
656 unsigned long long start_tick = dc->debug.bw_val_profile.enable ? \
657 dm_get_timestamp(dc->ctx) : 0
660 if (dc->debug.bw_val_profile.enable) \
661 dc->debug.bw_val_profile.total_count++
664 if (dc->debug.bw_val_profile.enable) { \
666 voltage_level_tick = dm_get_timestamp(dc->ctx); \
667 dc->debug.bw_val_profile.skip_ ## status ## _count++; \
671 if (dc->debug.bw_val_profile.enable) \
672 voltage_level_tick = dm_get_timestamp(dc->ctx)
675 if (dc->debug.bw_val_profile.enable) \
676 watermark_tick = dm_get_timestamp(dc->ctx)
679 if (dc->debug.bw_val_profile.enable) { \
680 end_tick = dm_get_timestamp(dc->ctx); \
681 dc->debug.bw_val_profile.total_ticks += end_tick - start_tick; \
682 dc->debug.bw_val_profile.voltage_level_ticks += voltage_level_tick - start_tick; \
684 dc->debug.bw_val_profile.watermark_ticks += watermark_tick - voltage_level_tick; \
685 dc->debug.bw_val_profile.rq_dlg_ticks += end_tick - watermark_tick; \
789 * 15-2: reserved
790 * 31-16: timeout in ms
863 * struct dc_debug_options - DC debug struct
973 /* TODO - remove once tested */
1528 * Color Transformations for pre-blend MCM (Shaper, 3DLUT, 1DLUT)
1560 * struct dc_validation_set - Struct to store surface/stream associations for validation
1641 * return - minimum required timing bandwidth in kbps.
1650 * The currently active signal type (HDMI, DP-SST, DP-MST) is also reported.
1679 bool hpd_status; /* HPD status of link without physical HPD pin. */
1680 bool is_hpd_pending; /* Indicates a new received hpd */
1723 * Pending allows link HWSS to differentiate PHY vs non-PHY pattern,
1727 * pending_test_pattern will be invalid or contain a non-PHY test pattern
1834 * recommended to call this function as the first link operation upon HPD event
1840 * @reason - Indicate which event triggers this detection. dc may customize
1842 * return false - if detection is not fully completed. This could happen when
1845 * link->connection_type == dc_connection_mst_branch when returning false).
1846 * return true - detection is completed, link has been fully updated with latest
1858 * @dc_link - link the remote sink will be added to.
1859 * @edid - byte array of EDID raw data.
1860 * @len - size of the edid in byte
1861 * @init_data -
1870 * @link - link the sink should be removed from
1871 * @sink - sink to be removed.
1877 /* Enable HPD interrupt handler for a given link */
1880 /* Disable HPD interrupt handler for a given link */
1885 * @type - dc_connection_single if connected, dc_connection_none otherwise.
1886 * return - false if an unexpected error occurs, true otherwise.
1896 /* query current hpd pin value
1897 * return - true HPD is asserted (HPD high), false otherwise (HPD low)
1905 /* enable/disable hardware HPD filter.
1907 * @link - The link the HPD pin is associated with.
1908 * @enable = true - enable hardware HPD filter. HPD event will only queued to irq
1909 * handler once after no HPD change has been detected within dc default HPD
1910 * filtering interval since last HPD event. i.e if display keeps toggling hpd
1911 * pulses within default HPD interval, no HPD event will be received until HPD
1912 * toggles have stopped. Then HPD event will be queued to irq handler once after
1913 * dc default HPD filtering interval since last HPD event.
1915 * @enable = false - disable hardware HPD filter. HPD event will be queued
1916 * immediately to irq handler after no HPD change has been detected within
1917 * IRQ_HPD (aka HPD short pulse) interval (i.e 2ms).
1922 * @link_index - index to a link with ddc in i2c mode
1923 * @cmd - i2c command structure
1924 * return - true if success, false otherwise.
1932 * @link_index - index to a link with ddc in i2c mode
1933 * @cmd - i2c command structure
1934 * return - true if success, false otherwise.
1942 * retries or handle error states. The reply is returned in the payload->reply
1944 * transferred,or -1 on a failure.
1961 * TODO - When defer_handling is true the function will have a different purpose.
1962 * It no longer does complete hpd rx irq handling. We should create a separate
1966 * true - Downstream port status changed. DM should call DC to do the
1968 * false - no change in Downstream port status. No further action required
1982 /* Determine if hpd rx irq should be handled or ignored
1983 * return true - hpd rx irq should be handled.
1984 * return false - it is safe to ignore hpd rx irq event
1989 * @link - link the hpd irq data associated with
1990 * @hpd_irq_dpcd_data - input hpd irq data
1991 * return - true if hpd irq data indicates a link lost
1996 /* Read hpd rx irq data from a given link
1997 * @link - link where the hpd irq data should be read from
1998 * @irq_data - output hpd irq data
1999 * return - DC_OK if hpd irq data is read successfully, otherwise hpd irq data
2009 * TODO - in the future we should consider to expand link resume interface to
2024 * return - total effective link bandwidth in kbps.
2042 * return - min hblank size in bytes, 0 if 8b/10b SST.
2052 * DM needs to capture a snapshot of current link resource allocation mapping
2068 * DM needs to call this function after initial link detection on boot and
2082 * interface i.e stream_update->dsc_config
2090 * @link - current detected link
2091 * @req_bw - requested bandwidth in kbps
2092 * @link_settings - returned most optimal link settings that can fit the
2094 * return - false if link can't support requested bandwidth, true if link
2108 * format will be used. The decision will remain unchanged until next HPD event.
2110 * @link - a link with DP RX connection
2111 * return - if stream is committed to this link with MST signal type, type of
2120 * @link - a link with DP RX connection
2121 * return - max dp link settings the link can enable.
2129 * @link - a link with DP RX connection
2130 * return - highest encoding format link supports.
2136 * @link - a link with dp connector signal type
2137 * return - true if connected, false otherwise
2141 /* Force DP lane settings update to main-link video signal and notify the change
2146 * @lt_settings - a container structure with desired hw_lane_settings
2153 * test or debugging purpose. The test pattern will remain until next un-plug.
2155 * @link - active link with DP signal output enabled.
2156 * @test_pattern - desired test pattern to output.
2158 * @test_pattern_color_space - for video test pattern choose a desired color
2160 * @p_link_settings - For PHY pattern choose a desired link settings
2161 * @p_custom_pattern - some test pattern will require a custom input to
2163 * @cust_pattern_size - size of the custom pattern input.
2188 * @link_settings - if not NULL, force preferred link settings to the link.
2189 * @lt_override - a set of override pointers. If any pointer is none NULL, dc
2201 /* return - true if FEC is supported with connected DP RX, false otherwise */
2206 * return - true if FEC should be enabled, false otherwise.
2217 * NOTE: this interface doesn't update dp main-link. Calling this function will
2218 * cause DP TX main-link and DP RX power states out of sync. DM has to restore
2221 * @on - true to set DP RX in D0 power state, false to set DP RX in D3 power
2226 /* Force link to read base dp receiver caps from dpcd 000h - 00Fh and overwrite
2227 * current value read from extended receiver cap from 02200h - 0220Fh.
2244 /* Set/get nits-based backlight level of an embedded panel (eDP, LVDS). */
2290 * return - true if trace is initialized and has valid data. False dp trace
2311 * @in_detection - true to get link training end time stamp of last link
2319 * @in_detection - true to get link training count of last link
2333 * Send a request from DP-Tx requesting to allocate BW remotely after
2360 * Unplug => de-allocate bw
2383 /* Sink Interfaces - A sink corresponds to a display output device */
2388 // 8 byte port ID -> ELD.PortID
2390 // 128bit GUID in binary formufacturer name -> ELD.ManufacturerName
2392 // 2 byte product code -> ELD.ProductCode