panthor_fw_a...pend_buf_mem(9)
π panthor_fw_a...pend_buf_mem(9) π
okay bestie, welcome to the kernel API manual for panthor_fw_a...pend_buf_mem(9) β yes that's the actual truncated title, no I did not do that, the man page did. we're getting into the DRM/Panthor firmware guts today and honestly? it's giving backstage-pass energy. π
β¨ NAME β¨
panthor_fw_alloc_suspend_buf_mem β allocate a suspend buffer for a command stream group. that's it, that's the whole job. one function, one purpose, main character energy only. π
πΈ SYNOPSIS πΈ
struct panthor_kernel_bo * panthor_fw_alloc_suspend_buf_mem (struct
panthor_device *ptdev , size_t size );
look at her. returns a struct panthor_kernel_bo *, takes a struct panthor_device *ptdev and a size_t size. clean, simple, iconic. π¦
π«Ά ARGUMENTS π«Ά
ptdevβ the Device. the whole device. your fave. the one we're doing all this for. πsizeβ Size of the suspend buffer. like, how much suspend buffer. that's the size. bestie I said what I said. β¨
π₯ RETURN π₯
A valid pointer in case of success, an ERR_PTR otherwise. so like β success got you a real one, and failure hands you an ERR_PTR to go check with IS_ERR() / PTR_ERR(). no cap, that's the whole contract. π«‘
lowkey reminder: if you're out here dereferencing an ERR_PTR without checking, that's not a vibe, that's a crash. do the vibe check first. π
π SEE ALSO π
Kernel file ./drivers/gpu/drm/panthor/panthor_fw.c β the source, the mothership, go read her. π
and the whole friend group, in the order the man page lists them (yes, all of them, we don't skip anyone in this house):
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)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_ring_csg_doorbells(9)panthor_fw_init(9)
that's the whole page bestie, you ate it, you understood it, you're basically a Panthor firmware girlie now π
sign-off time: this one lives in ./drivers/gpu/drm/panthor, and it's dated October 2026 β so go forth and allocate responsibly, mwah ππ
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms