Add a query for compute queues. Userspace can use this to query the size of the EOP buffers for compute user queues.
Reviewed-by: Prike Liang <[email protected]> Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 26 +++++++++++++++++++++++++ include/uapi/drm/amdgpu_drm.h | 8 ++++++++ 2 files changed, 34 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index b3e6b3fcdf2cb..8a90b7ba59e6b 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) @@ -1360,6 +1378,14 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) if (ret) return ret; + 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; diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h index 406a42be429b2..0840853fa447d 100644 --- a/include/uapi/drm/amdgpu_drm.h +++ b/include/uapi/drm/amdgpu_drm.h @@ -1629,9 +1629,17 @@ 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; }; }; -- 2.51.0
