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. Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c index 250316704dfac..e023ae958459b 100644 --- a/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c +++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v5_0_1.c @@ -118,6 +118,19 @@ static int jpeg_v5_0_1_early_init(struct amdgpu_ip_block *ip_block) if (!adev->jpeg.num_jpeg_inst || adev->jpeg.num_jpeg_inst > AMDGPU_MAX_JPEG_INSTANCES) return -ENOENT; + 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; jpeg_v5_0_1_set_dec_ring_funcs(adev); jpeg_v5_0_1_set_irq_funcs(adev); @@ -172,6 +185,10 @@ static int jpeg_v5_0_1_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 = -- 2.54.0
