Commit 30e4d781 authored by Shashank Sharma's avatar Shashank Sharma Committed by Alex Deucher
Browse files

drm/amdgpu: add userqueue suspend/resume functions 



This patch adds userqueue suspend/resume functions at
core MES V11 IP level.

V2: use true/false for queue_active status (Christian)
    added Christian's R-B

V3: reset/set queue status in mqd.create and mqd.destroy

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian Koenig <christian.koenig@amd.com>
Reviewed-by: default avatarChristian Koenig <christian.koenig@amd.com>
Signed-off-by: default avatarShashank Sharma <shashank.sharma@amd.com>
Signed-off-by: default avatarArvind Yadav <arvind.yadav@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent fb796c30

drivers/gpu/drm/amd/amdgpu/mes_v11_0_userqueue.c

+33 −0
Original line number Diff line number Diff line
@@ -331,6 +331,7 @@ static int mes_v11_0_userq_mqd_create(struct amdgpu_userq_mgr *uq_mgr, 
		goto free_ctx;

	}



	queue->queue_active = true;

	return 0;



free_ctx:
@@ -354,9 +355,41 @@ mes_v11_0_userq_mqd_destroy(struct amdgpu_userq_mgr *uq_mgr, 
	amdgpu_userqueue_destroy_object(uq_mgr, &queue->fw_obj);

	kfree(queue->userq_prop);

	amdgpu_userqueue_destroy_object(uq_mgr, &queue->mqd);

	queue->queue_active = false;

}



static int mes_v11_0_userq_suspend(struct amdgpu_userq_mgr *uq_mgr,

				   struct amdgpu_usermode_queue *queue)

{

	if (queue->queue_active) {

		mes_v11_0_userq_unmap(uq_mgr, queue);

		queue->queue_active = false;

	}



	return 0;

}



static int mes_v11_0_userq_resume(struct amdgpu_userq_mgr *uq_mgr,

				  struct amdgpu_usermode_queue *queue)

{

	int ret;



	if (queue->queue_active)

		return 0;



	ret = mes_v11_0_userq_map(uq_mgr, queue, queue->userq_prop);

	if (ret) {

		DRM_ERROR("Failed to resume queue\n");

		return ret;

	}



	queue->queue_active = true;

	return 0;

}



const struct amdgpu_userq_funcs userq_mes_v11_0_funcs = {

	.mqd_create = mes_v11_0_userq_mqd_create,

	.mqd_destroy = mes_v11_0_userq_mqd_destroy,

	.suspend = mes_v11_0_userq_suspend,

	.resume = mes_v11_0_userq_resume,

};

drivers/gpu/drm/amd/include/amdgpu_userqueue.h

+5 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ struct amdgpu_userq_obj { 


struct amdgpu_usermode_queue {

	int			queue_type;

	uint8_t			queue_active;

	uint64_t		doorbell_handle;

	uint64_t		doorbell_index;

	uint64_t		flags;
@@ -57,6 +58,10 @@ struct amdgpu_userq_funcs { 
			  struct amdgpu_usermode_queue *queue);

	void (*mqd_destroy)(struct amdgpu_userq_mgr *uq_mgr,

			    struct amdgpu_usermode_queue *uq);

	int (*suspend)(struct amdgpu_userq_mgr *uq_mgr,

		       struct amdgpu_usermode_queue *queue);

	int (*resume)(struct amdgpu_userq_mgr *uq_mgr,

		      struct amdgpu_usermode_queue *queue);

};



/* Usermode queues for gfx */