From fcf5eb979a5803ff5b5add820f70d98953b19ecd Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 18 Feb 2025 13:22:49 -0500 Subject: [PATCH 3143/5403] drm/amdgpu/sdma6: add support for disable_kq When the parameter is set, disable user submissions to kernel queues. Reviewed-by: Sunil Khatri Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c index 00dd7bfff01a..2249a1ef057b 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c @@ -1269,6 +1269,9 @@ static int sdma_v6_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) return r; @@ -1303,6 +1306,7 @@ static int sdma_v6_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"); -- 2.54.0