[PATCH 10/11] drm/amdgpu/sdma6: add support for disable_kq

[Alex Deucher]

When the parameter is set, disable user submissions
to kernel queues.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 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 3aa4fec4d9e4a..bcc72737f8084 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c
@@ -1304,6 +1304,9 @@ 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;
@@ -1338,6 +1341,7 @@ 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");
-- 
2.48.1