r100_gui_idle(9)

💅 r100_gui_idle(9) — gui idle callback 💅

okay so bestie, welcome to the Kernel API Manual ✨ this page is literally all about r100_gui_idle, and it's giving “tiny function with one very specific job.” no cap 🫶

🎀 NAME 🎀

r100_gui_idle — gui idle callback.

✨ SYNOPSIS ✨

bool r100_gui_idle (struct radeon_device *rdev );

🧚 ARGUMENTS 🧚

• rdev — a radeon_device pointer. that's the one and only argument, bestie 💖

🔥 DESCRIPTION 🔥

okay so this function checks if the GUI (the 2D/3D engines, iykyk) are idle on r1xx-r5xx graphics. it returns true if they are idle, and false if they are not. that's the whole vibe check 💅

🌈 SEE ALSO 🌈

the kernel file is literally ./drivers/gpu/drm/radeon/r100.c, and these are the sibling functions you might wanna peek at 👀

• r100_wait_for_vblank(9)
• r100_page_flip(9)
• r100_page_flip_pending(9)
• r100_pm_get_dynpm_state(9)
• r100_pm_init_profile(9)
• r100_pm_misc(9)
• r100_pm_prepare(9)
• r100_pm_finish(9)
• r100_hpd_sense(9)
• r100_hpd_set_polarity(9)
• r100_hpd_init(9)
• r100_hpd_fini(9)
• r100_ring_hdp_flush(9)
• r100_cs_packet_parse_vline(9)

xoxo bestie 💖 this page comes from ./drivers/gpu/drm/radeon, it's the r100_gui_idle(9) page, and it's dated October 2026. periodt 🦋