[PATCH 11/13] drm/amdgpu/gfx12: add support for TMZ queues to mqd_init

[Khatri, Sunil]

Reviewed-by: Sunil Khatri <sunil.khatri at amd.com>

On 4/11/2025 12:24 AM, Alex Deucher wrote:
> Set up TMZ for queues.
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
>   drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
> index 2474006b1a340..da67f27d65a33 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
> @@ -3013,6 +3013,8 @@ static int gfx_v12_0_gfx_mqd_init(struct amdgpu_device *adev, void *m,
>   #ifdef __BIG_ENDIAN
>   	tmp = REG_SET_FIELD(tmp, CP_GFX_HQD_CNTL, BUF_SWAP, 1);
>   #endif
> +	if (prop->tmz_queue)
> +		tmp = REG_SET_FIELD(tmp, CP_GFX_HQD_CNTL, TMZ_MATCH, 1);
>   	mqd->cp_gfx_hqd_cntl = tmp;
>   
>   	/* set up cp_doorbell_control */
> @@ -3164,6 +3166,8 @@ static int gfx_v12_0_compute_mqd_init(struct amdgpu_device *adev, void *m,
>   	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, TUNNEL_DISPATCH, 0);
>   	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, PRIV_STATE, 1);
>   	tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, KMD_QUEUE, 1);
> +	if (prop->tmz_queue)
> +		tmp = REG_SET_FIELD(tmp, CP_HQD_PQ_CONTROL, TMZ, 1);
>   	mqd->cp_hqd_pq_control = tmp;
>   
>   	/* set the wb address whether it's enabled or not */