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
