diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2025-10-10 16:44:58 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-01-05 16:20:39 -0500 |
| commit | 44b69cf1d35cad4a846208e769b34a648fd637bb (patch) | |
| tree | e06df915509da8b1cd7e21db8926cd29fc26bba5 | |
| parent | 0a54edc19158b3402b6c39cc682789be05e3d47d (diff) | |
drm/amdgpu: Update AMDGPU_INFO_UQ_FW_AREAS query for compute
Add a query for compute queues. Userspace can use this to
query the size of the EOP buffers for compute user queues.
Proposed userspace:
https://gitlab.freedesktop.org/yogeshmohan/mesa/-/commits/userq_query
Reviewed-by: Prike Liang <Prike.Liang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 26 | ||||
| -rw-r--r-- | include/uapi/drm/amdgpu_drm.h | 8 |
2 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 6ee77f431d56..b02da84ab99d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -391,6 +391,24 @@ static int amdgpu_userq_metadata_info_gfx(struct amdgpu_device *adev, return ret; } +static int amdgpu_userq_metadata_info_compute(struct amdgpu_device *adev, + struct drm_amdgpu_info *info, + struct drm_amdgpu_info_uq_metadata_compute *meta) +{ + int ret = -EOPNOTSUPP; + + if (adev->gfx.funcs->get_gfx_shadow_info) { + struct amdgpu_gfx_shadow_info shadow = {}; + + adev->gfx.funcs->get_gfx_shadow_info(adev, &shadow, true); + meta->eop_size = shadow.eop_size; + meta->eop_alignment = shadow.eop_alignment; + ret = 0; + } + + return ret; +} + static int amdgpu_hw_ip_info(struct amdgpu_device *adev, struct drm_amdgpu_info *info, struct drm_amdgpu_info_hw_ip *result) @@ -1363,6 +1381,14 @@ out: ret = copy_to_user(out, &meta_info, min((size_t)size, sizeof(meta_info))) ? -EFAULT : 0; return 0; + case AMDGPU_HW_IP_COMPUTE: + ret = amdgpu_userq_metadata_info_compute(adev, info, &meta_info.compute); + if (ret) + return ret; + + ret = copy_to_user(out, &meta_info, + min((size_t)size, sizeof(meta_info))) ? -EFAULT : 0; + return 0; default: return -EINVAL; } diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index 351c2fb2df90..138d9ae1aa48 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -1630,9 +1630,17 @@ struct drm_amdgpu_info_uq_metadata_gfx { __u32 csa_alignment; }; +struct drm_amdgpu_info_uq_metadata_compute { + /* EOP size for gfx11 */ + __u32 eop_size; + /* EOP base virtual alignment for gfx11 */ + __u32 eop_alignment; +}; + struct drm_amdgpu_info_uq_metadata { union { struct drm_amdgpu_info_uq_metadata_gfx gfx; + struct drm_amdgpu_info_uq_metadata_compute compute; }; }; |