dmub_srv_has_hw_support(9)

💖 dmub_srv_has_hw_support(9) 💖

okay so bestie, this page is from the Kernel API Manual, and it’s literally the page for dmub_srv_has_hw_support(9). It’s giving “quick hardware vibe check for dmcub,” and the function is the main character here. 🫶

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✨ NAME ✨

dmub_srv_has_hw_support — returns hw support state for dmcub

🌸 SYNOPSIS 🌸

enum dmub_status dmub_srv_has_hw_support (struct dmub_srv *dmub , bool
       *is_supported );

🎀 ARGUMENTS 🎀

• dmub — the dmub service
• is_supported — hw support state

🦋 DESCRIPTION 🦋

Queries the hardware for DMCUB support and returns the result.

Can be called before dmub_srv_hw_init. Periodt. 💅

🔥 RETURN 🔥

• DMUB_STATUS_OK — success
• DMUB_STATUS_INVALID — unspecified error

👑 SEE ALSO 👑

Kernel file ./drivers/gpu/drm/amd/display/dmub/dmub_srv.h

DMUB interface and operation(9), plus the whole squad:

• struct dmub_region(9)
• struct dmub_window(9)
• struct dmub_fb(9)
• struct dmub_srv_region_params(9)
• struct dmub_srv_fw_meta_info_params(9)
• struct dmub_srv_region_info(9)
• struct dmub_srv_memory_params(9)
• struct dmub_srv_fb_info(9)
• struct dmub_soc_fb_info(9)
• struct dmub_diagnostic_data(9)
• struct dmub_preos_info(9)
• struct dmub_srv_base_funcs(9)
• struct dmub_srv_hw_funcs(9)
• struct dmub_srv_create_params(9)
• struct dmub_srv(9)
• struct dmub_notification(9)
• dmub_srv_create(9)
• dmub_srv_destroy(9)
• dmub_srv_calc_region_info(9)
• dmub_srv_is_hw_init(9)
• dmub_srv_hw_init(9)
• dmub_srv_hw_reset(9)
• dmub_srv_fb_cmd_queue(9)
• dmub_srv_fb_cmd_execute(9)
• dmub_srv_wait_for_hw_pwr_up(9)
• dmub_srv_wait_for_auto_load(9)
• dmub_srv_wait_for_phy_init(9)
• dmub_srv_wait_for_pending(9)
• dmub_srv_wait_for_idle(9)
• dmub_srv_send_gpint_command(9)
• dmub_srv_get_gpint_response(9)
• dmub_srv_get_gpint_dataout(9)
• dmub_srv_flush_buffer_mem(9)
• dmub_srv_get_fw_boot_status(9)
• dmub_srv_send_inbox0_cmd(9)
• dmub_srv_wait_for_inbox0_ack(9)
• dmub_srv_subvp_save_surf_addr(9)
• dmub_srv_set_power_state(9)
• dmub_srv_reg_cmd_execute(9)
• dmub_srv_cmd_get_response(9)
• dmub_srv_sync_inboxes(9)
• dmub_srv_wait_for_inbox_free(9)
• dmub_srv_update_inbox_status(9)
• dmub_srv_get_preos_info(9)
• dmub_srv_get_fw_meta_info_from_raw_fw(9)

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okay that’s the whole page, mwah 💜 footer check: source/version is ./drivers/gpu/drm/amd/display/..., date is October 2026, and the page name is dmub_srv_has_hw_support(9). 💖