Ping?
On Thu, Mar 26, 2026 at 2:09 PM Alex Deucher <[email protected]> wrote: > > Plumb in support for disabling kernel queues and make it > the default. For testing, kernel queues can be re-enabled > by setting amdgpu.user_queue=0. Kernel queues are still > created for use by the kernel driver for memory management, > etc., just not user submissions. > > Signed-off-by: Alex Deucher <[email protected]> > --- > drivers/gpu/drm/amd/amdgpu/sdma_v7_1.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v7_1.c > b/drivers/gpu/drm/amd/amdgpu/sdma_v7_1.c > index f20e0fc3fc743..061934a2e93a3 100644 > --- a/drivers/gpu/drm/amd/amdgpu/sdma_v7_1.c > +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v7_1.c > @@ -1268,6 +1268,18 @@ static int sdma_v7_1_early_init(struct amdgpu_ip_block > *ip_block) > struct amdgpu_device *adev = ip_block->adev; > int r; > > + switch (amdgpu_user_queue) { > + case -1: > + default: > + adev->sdma.no_user_submission = true; > + adev->sdma.disable_uq = true; > + break; > + case 0: > + adev->sdma.no_user_submission = false; > + adev->sdma.disable_uq = true; > + break; > + } > + > r = amdgpu_sdma_init_microcode(adev, 0, true); > if (r) { > DRM_ERROR("Failed to init sdma firmware!\n"); > -- > 2.53.0 >
