On 04.07.25 09:26, Jesse Zhang wrote:
> The term "HQD" is CP-specific and doesn't
> accurately describe the queue resources for other IP blocks like SDMA,
> VCN, or VPE. This change:
>
> 1. Renames `num_hqds` to `num_slots` in amdgpu_kms.c to better reflect
> the generic nature of the resource counting
> 2. Updates the UAPI struct member from `userq_num_hqds` to `userq_num_slots`
> 3. Maintains the same functionality while using more appropriate terminology
>
> Signed-off-by: Jesse Zhang <jesse.zh...@amd.com>
Acked-by: Christian König <christian.koe...@amd.com>
BTW: Why userspace needs to know that in the first place?
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 10 +++++-----
> include/uapi/drm/amdgpu_drm.h | 4 ++--
> 2 files changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> index 4aab5e394ce2..e2aa2264fa0b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> @@ -399,7 +399,7 @@ static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
> uint32_t ib_size_alignment = 0;
> enum amd_ip_block_type type;
> unsigned int num_rings = 0;
> - uint32_t num_hqds = 0;
> + uint32_t num_slots = 0;
> unsigned int i, j;
>
> if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
> @@ -415,7 +415,7 @@ static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
>
> if (!adev->gfx.disable_uq) {
> for (i = 0; i < AMDGPU_MES_MAX_GFX_PIPES; i++)
> - num_hqds +=
> hweight32(adev->mes.gfx_hqd_mask[i]);
> + num_slots +=
> hweight32(adev->mes.gfx_hqd_mask[i]);
> }
>
> ib_start_alignment = 32;
> @@ -430,7 +430,7 @@ static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
>
> if (!adev->sdma.disable_uq) {
> for (i = 0; i < AMDGPU_MES_MAX_COMPUTE_PIPES; i++)
> - num_hqds +=
> hweight32(adev->mes.compute_hqd_mask[i]);
> + num_slots +=
> hweight32(adev->mes.compute_hqd_mask[i]);
> }
>
> ib_start_alignment = 32;
> @@ -445,7 +445,7 @@ static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
>
> if (!adev->gfx.disable_uq) {
> for (i = 0; i < AMDGPU_MES_MAX_SDMA_PIPES; i++)
> - num_hqds +=
> hweight32(adev->mes.sdma_hqd_mask[i]);
> + num_slots +=
> hweight32(adev->mes.sdma_hqd_mask[i]);
> }
>
> ib_start_alignment = 256;
> @@ -589,7 +589,7 @@ static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
> }
> result->capabilities_flags = 0;
> result->available_rings = (1 << num_rings) - 1;
> - result->userq_num_hqds = num_hqds;
> + result->userq_num_slots = num_slots;
> result->ib_start_alignment = ib_start_alignment;
> result->ib_size_alignment = ib_size_alignment;
> return 0;
> diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
> index 66c4a03ac9f9..bdedbaccf776 100644
> --- a/include/uapi/drm/amdgpu_drm.h
> +++ b/include/uapi/drm/amdgpu_drm.h
> @@ -1493,8 +1493,8 @@ 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 hqds */
> - __u32 userq_num_hqds;
> + /* Userq available slots */
> + __u32 userq_num_slots;
> };
>
> /* GFX metadata BO sizes and alignment info (in bytes) */
