panthor_fw_...sg_doorbells(9)

💅 NAME 💅

So this page is panthor_fw_...sg_doorbells(9) and it's from the Kernel API Manual, and the actual star of the show is panthor_fw_ring_csg_doorbells — the function that rings command stream group doorbells ✨

🎀 SYNOPSIS 🎀

void panthor_fw_ring_csg_doorbells (struct panthor_device *ptdev , u32 csg_mask );

🦋 ARGUMENTS 🦋

• ptdev — it's the Device, that's literally it, that's the whole vibe 🫶
• csg_mask — a bitmask that encodes which command stream group doorbells you're ringing. iykyk 👑

🌸 DESCRIPTION 🌸

okay so what this function does is it toggles bits in the doorbell_req and then rings the global doorbell. iconic behaviour fr fr 🔔✨

and the best part? it does not require a user doorbell to be attached to the group. nope, not needed, not a thing, we simply don't care 💅 periodt.

🌈 SEE ALSO 🌈

Like, go read these next bestie, they're all in the Kernel file ./drivers/gpu/drm/panthor/panthor_fw.c 👀

• struct panthor_fw_binary_hdr(9)
• enum panthor_fw_binary_entry_type(9)
• struct panthor_fw_binary_section_entry_hdr(9)
• struct panthor_fw_binary_iter(9)
• struct panthor_fw_section(9)
• struct panthor_fw_iface(9)
• struct panthor_fw(9)
• panthor_fw_get_glb_iface(9)
• panthor_fw_get_csg_iface(9)
• panthor_fw_get_cs_iface(9)
• panthor_fw_conv_timeout(9)
• panthor_fw_alloc_queue_iface_mem(9)
• panthor_fw_alloc_suspend_buf_mem(9)
• iface_fw_to_cpu_addr(9)
• panthor_fw_pre_reset(9)
• panthor_fw_post_reset(9)
• panthor_fw_unplug(9)
• panthor_fw_wait_acks(9)
• panthor_fw_glb_wait_acks(9)
• panthor_fw_csg_wait_acks(9)
• panthor_fw_init(9)

and that's the whole page, bestie 🎀 source is ./drivers/gpu/drm/panthor, dated October 2026 — mwah, slay, go ring some doorbells 💖🌺