Commit 72801504 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu/sdma7: add support for disable_kq 



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

Reviewed-by: default avatarSunil Khatri <sunil.khatri@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent fcf5eb97

drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c

+4 −0
Original line number Diff line number Diff line
@@ -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");