Reviewed-by: Sunil Khatri <sunil.kha...@amd.com>
On 3/6/2025 2:17 AM, Alex Deucher wrote:
When the parameter is set, disable user submissions to kernel queues. Signed-off-by: Alex Deucher <alexander.deuc...@amd.com> --- drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c index 92a79296708ae..40d45f738c0a8 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c @@ -1316,6 +1316,9 @@ static int sdma_v7_0_early_init(struct amdgpu_ip_block *ip_block) struct amdgpu_device *adev = ip_block->adev; int r;+ if (amdgpu_disable_kq == 1)+ adev->sdma.no_user_submission = true; + r = amdgpu_sdma_init_microcode(adev, 0, true); if (r) { DRM_ERROR("Failed to init sdma firmware!\n"); @@ -1351,6 +1354,7 @@ static int sdma_v7_0_sw_init(struct amdgpu_ip_block *ip_block) ring->ring_obj = NULL; ring->use_doorbell = true; ring->me = i; + ring->no_user_submission = adev->sdma.no_user_submission;DRM_DEBUG("SDMA %d use_doorbell being set to: [%s]\n", i,ring->use_doorbell?"true":"false");
