From 72801504fd09e86e389b5692d4d9d563a08914d7 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 18 Feb 2025 13:23:55 -0500 Subject: [PATCH 3144/5403] drm/amdgpu/sdma7: 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_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 99744728f5cb..4f66b81110bb 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c @@ -1254,6 +1254,9 @@ 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"); @@ -1289,6 +1292,7 @@ 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"); -- 2.54.0