[PATCH 1/7] drm/amdgpu/userq: add a helper to check which IPs are enabled

[Liang, Prike]

[Public]

Reviewed-by: Prike Liang <Prike.Liang at amd.com>

Regards,
      Prike

> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Alex
> Deucher
> Sent: Thursday, April 17, 2025 6:21 AM
> To: amd-gfx at lists.freedesktop.org
> Cc: Deucher, Alexander <Alexander.Deucher at amd.com>
> Subject: [PATCH 1/7] drm/amdgpu/userq: add a helper to check which IPs are
> enabled
>
> Add a helper to get a mask of IPs which support user queues.
> Use this in the INFO IOCTL to get the IP mask to replace the current code.
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c       |  7 +------
>  drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c | 13 +++++++++++++
> drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.h |  2 ++
>  3 files changed, 16 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> index 3d319687c1c9c..151366ecc0af6 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> @@ -1009,12 +1009,7 @@ int amdgpu_info_ioctl(struct drm_device *dev, void
> *data, struct drm_file *filp)
>                       }
>               }
>
> -             if (adev->userq_funcs[AMDGPU_HW_IP_GFX])
> -                     dev_info->userq_ip_mask |= (1 << AMDGPU_HW_IP_GFX);
> -             if (adev->userq_funcs[AMDGPU_HW_IP_COMPUTE])
> -                     dev_info->userq_ip_mask |= (1 <<
> AMDGPU_HW_IP_COMPUTE);
> -             if (adev->userq_funcs[AMDGPU_HW_IP_DMA])
> -                     dev_info->userq_ip_mask |= (1 << AMDGPU_HW_IP_DMA);
> +             dev_info->userq_ip_mask =
> +amdgpu_userqueue_get_supported_ip_mask(adev);
>
>               ret = copy_to_user(out, dev_info,
>                                  min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c
> index 249722dc40446..dbc1fcdc0f73b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.c
> @@ -31,6 +31,19 @@
>  #include "amdgpu_userqueue.h"
>  #include "amdgpu_userq_fence.h"
>
> +u32 amdgpu_userqueue_get_supported_ip_mask(struct amdgpu_device *adev)
> +{
> +     int i;
> +     u32 userq_ip_mask = 0;
> +
> +     for (i = 0; i < AMDGPU_HW_IP_NUM; i++) {
> +             if (adev->userq_funcs[i])
> +                     userq_ip_mask |= (1 << i);
> +     }
> +
> +     return userq_ip_mask;
> +}
> +
>  static void
>  amdgpu_userqueue_cleanup(struct amdgpu_userq_mgr *uq_mgr,
>                        struct amdgpu_usermode_queue *queue, diff --git
> a/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.h
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.h
> index b2da513b3d021..b49f147eb69cb 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_userqueue.h
> @@ -113,6 +113,8 @@ uint64_t amdgpu_userqueue_get_doorbell_index(struct
> amdgpu_userq_mgr *uq_mgr,
>                                            struct amdgpu_db_info *db_info,
>                                            struct drm_file *filp);
>
> +u32 amdgpu_userqueue_get_supported_ip_mask(struct amdgpu_device *adev);
> +
>  int amdgpu_userq_suspend(struct amdgpu_device *adev);  int
> amdgpu_userq_resume(struct amdgpu_device *adev);
>
> --
> 2.49.0