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drm/amdgpu/jpeg4.0.3: add support for disabling kernel queues

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Allow the user to disable kernel queues.  This can be used
to free up vmid resources if kernel queues are not needed.

Set amdgpu.user_queue=2 to disable kernel queues.

Reviewed-by: Kent Russell <kent.russell@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2026-05-27 16:07:15 -04:00
parent 9d31190a40
commit eb0afbcc61
1 changed files with 17 additions and 0 deletions
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17
drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
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@ -119,6 +119,19 @@ static int jpeg_v4_0_3_early_init(struct amdgpu_ip_block *ip_block)
{
struct amdgpu_device *adev = ip_block->adev;
switch (amdgpu_user_queue) {
case -1:
case 0:
default:
adev->jpeg.disable_kq = false;
adev->jpeg.disable_uq = true;
break;
case 2:
adev->jpeg.disable_kq = true;
adev->jpeg.disable_uq = true;
break;
}
adev->jpeg.num_jpeg_rings = AMDGPU_MAX_JPEG_RINGS_4_0_3;
jpeg_v4_0_3_set_dec_ring_funcs(adev);
@ -175,6 +188,10 @@ static int jpeg_v4_0_3_sw_init(struct amdgpu_ip_block *ip_block)
for (j = 0; j < adev->jpeg.num_jpeg_rings; ++j) {
ring = &adev->jpeg.inst[i].ring_dec[j];
ring->use_doorbell = true;
if (adev->jpeg.disable_kq) {
ring->no_scheduler = true;
ring->no_user_submission = true;
}
ring->vm_hub = AMDGPU_MMHUB0(adev->jpeg.inst[i].aid_id);
if (!amdgpu_sriov_vf(adev)) {
ring->doorbell_index =