STRUCT DMUB_RB_INIT_PARAMS(9)

💅 struct dmub_rb_init_params(9) — Kernel API Manual ✨

okay so bestie, we're in the Kernel API Manual and this page is all about struct dmub_rb_init_params — the init params for the DMUB ringbuffer 🎀 yes that is the whole vibe. it's a little struct that carries the setup info, and honestly? she's short, she's sweet, she's giving "just the fields ma'am" 💖

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🌸 NAME 🌸

struct dmub_rb_init_params — Initialization params for DMUB ringbuffer 🦋

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✨ SYNOPSIS ✨

here's the whole thing, character for character, no cap:

struct dmub_rb_init_params {
    void *ctx;
    void *base_address;
    uint32_t capacity;
    uint32_t read_ptr;
    uint32_t write_ptr;
 };

look at her. five fields. zero drama. iconic 👑

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🧚 Members 🧚

okay so the source page lists this heading and then… nothing. no member-by-member breakdown, no lil descriptions, just vibes and silence 💀 so that's what we're giving you too — the heading is real, the contents are not there. if you want the details, the struct definition up in SYNOPSIS is right there and it's literally five lines. iykyk 🙈

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🌈 SEE ALSO 🌈

buckle up bestie, this list is long and i mean LONG. every single one of these is from the Kernel file ./drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h — go say hi to all of them 🫶

• union dmub_addr(9)
• struct dmub_cursor_offload_pipe_data_dcn30_v1(9)
• struct dmub_cursor_offload_pipe_data_dcn401_v1(9)
• struct dmub_cursor_offload_pipe_data_dcn60_v1(9)
• struct dmub_cursor_offload_pipe_data_v1(9)
• struct dmub_cursor_offload_payload_data_v1(9)
• struct dmub_cursor_offload_stream_v1(9)
• struct dmub_cursor_offload_v1(9)
• union dmub_fw_meta_feature_bits(9)
• struct dmub_fw_meta_info(9)
• union dmub_fw_meta(9)
• struct dmcub_trace_buf_entry(9)
• union dmub_fw_boot_status(9)
• enum dmub_fw_boot_status_bit(9)
• enum dmub_cursor_offload_comand_type(9)
• union dmub_fw_boot_options(9)
• enum dmub_shared_state_feature_id(9)
• struct dmub_shared_state_ips_fw(9)
• struct dmub_shared_state_ips_driver(9)
• struct dmub_shared_state_cursor_offload_v1(9)
• struct dmub_shared_state_feature_block(9)
• union dmub_gpint_data_register(9)
• enum dmub_out_cmd_type(9)
• struct dmub_cmd_header(9)
• struct dmub_rb_cmd_common(9)
• struct dmub_cmd_PLAT_54186_wa(9)
• struct dmub_rb_cmd_PLAT_54186_wa(9)
• enum dmub_cmd_mall_type(9)
• struct dmub_rb_cmd_mall(9)
• enum dmub_cmd_cab_type(9)
• struct dmub_rb_cmd_cab_for_ss(9)
• enum dmub_fams2_allow_delay_check_mode(9)
• enum dmub_cmd_idle_opt_type(9)
• struct dmub_rb_cmd_idle_opt_dcn_restore(9)
• struct dmub_dcn_notify_idle_cntl_data(9)
• struct dmub_rb_cmd_idle_opt_dcn_notify_idle(9)
• enum dmub_idle_opt_dc_power_state(9)
• struct dmub_idle_opt_set_dc_power_state_data(9)
• struct dmub_rb_cmd_idle_opt_set_dc_power_state(9)
• struct dmub_clocks(9)
• enum dmub_cmd_clk_mgr_type(9)
• struct dmub_rb_cmd_clk_mgr_notify_clocks(9)
• struct dmub_cmd_digx_encoder_control_data(9)
• struct dmub_rb_cmd_digx_encoder_control(9)
• struct dmub_cmd_set_pixel_clock_data(9)
• struct dmub_cmd_enable_disp_power_gating_data(9)
• struct dmub_rb_cmd_enable_disp_power_gating(9)
• struct dmub_dig_transmitter_control_data_v1_7(9)
• union dmub_cmd_dig1_transmitter_control_data(9)
• struct dmub_rb_cmd_dig1_transmitter_control(9)
• struct dmub_rb_cmd_domain_control_data(9)
• struct dmub_rb_cmd_domain_control(9)
• struct dmub_rb_cmd_dpphy_init(9)
• enum dp_aux_request_action(9)
• enum aux_return_code_type(9)
• enum aux_channel_type(9)
• struct aux_transaction_parameters(9)
• struct dmub_rb_cmd_hpd_sense_notify(9)
• enum dmub_phy_fsm_state(9)
• enum dmub_abm_ace_curve_type(9)
• enum dmub_abm_histogram_type(9)
• enum dmub_cmd_panel_cntl_type(9)
• struct dmub_cmd_panel_cntl_data(9)
• struct dmub_rb_cmd_panel_cntl(9)
• struct dmub_cmd_cable_id_input(9)
• struct dmub_cmd_cursor_offload_init_data(9)
• struct dmub_rb_cmd_cursor_offload_init(9)
• struct dmub_cmd_cursor_offload_stream_data(9)
• struct dmub_rb_cmd_cursor_offload_stream_cntl(9)
• union dmub_rb_cmd(9)
• union dmub_rb_out_cmd(9)
• struct dmub_rb(9)

fr fr that's the whole cross-reference squad — 73 of them and every single name is exactly as written, typos and all 💅 don't come for me, i copied them faithfully.

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and that's the page, bestie!! 🌸 source: Kernel API Manual, dated October 2026, filed under struct dmub_rb_init_params(9) — mwah, mwuah, slay, go init a ringbuffer 🫶✨🎀