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drm/amdgpu: Add user queue HQD count to hw_ip info

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Add a new field userq_num_hqds to drm_amdgpu_info_hw_ip to expose the
number of available hardware queue descriptors (HQDs) for user queues.
This allows userspace to query the maximum number of user queues that
can be created for a particular IP block.

the patch link in driver side:
https://lists.freedesktop.org/archives/amd-gfx/2025-June/126686.html
https://lists.freedesktop.org/archives/amd-gfx/2025-July/126981.html

v2: rename userq_num_hqds to userq_num_slots (Marek)

Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Jesse.Zhang 2025-07-01 08:54:35 +08:00
parent 289175512c
commit e4bd1ba753
1 changed files with 2 additions and 0 deletions
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2
include/drm/amdgpu_drm.h
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@ -1484,6 +1484,8 @@ struct drm_amdgpu_info_hw_ip {
__u32 available_rings;
/** version info: bits 23:16 major, 15:8 minor, 7:0 revision */
__u32 ip_discovery_version;
/* Userq available slots */
__u32 userq_num_slots;
};
/* GFX metadata BO sizes and alignment info (in bytes) */