Commit 9194a339 authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: add basics for SDMA page queue support 



Just the common helper and a new ring in the SDMA instance.

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarHuang Rui <ray.huang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 51235849

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

+4 −6
Original line number Diff line number Diff line
@@ -34,11 +34,9 @@ struct amdgpu_sdma_instance * amdgpu_get_sdma_instance(struct amdgpu_ring *ring) 
	int i;



	for (i = 0; i < adev->sdma.num_instances; i++)

		if (&adev->sdma.instance[i].ring == ring)

			break;



	if (i < AMDGPU_MAX_SDMA_INSTANCES)

		if (ring == &adev->sdma.instance[i].ring ||

		    ring == &adev->sdma.instance[i].page)

			return &adev->sdma.instance[i];

	else



	return NULL;

}

drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h

+1 −0
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ struct amdgpu_sdma_instance { 
	uint32_t		feature_version;



	struct amdgpu_ring	ring;

	struct amdgpu_ring	page;

	bool			burst_nop;

};

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