Commit f4d583cd authored by Jesse.zhang@amd.com's avatar Jesse.zhang@amd.com Committed by Alex Deucher
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drm/amdgpu/sdma7: implement queue reset callback for sdma7 



Implement sdma queue reset callback by mes_reset_queue_mmio.

Signed-off-by: default avatarJesse Zhang <jesse.zhang@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 8a4c6fc8

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

+26 −0
Original line number Diff line number Diff line
@@ -829,6 +829,31 @@ static bool sdma_v7_0_check_soft_reset(struct amdgpu_ip_block *ip_block) 
	return false;

}



static int sdma_v7_0_reset_queue(struct amdgpu_ring *ring, unsigned int vmid)

{

	struct amdgpu_device *adev = ring->adev;

	int i, r;



	if (amdgpu_sriov_vf(adev))

		return -EINVAL;



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

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

			break;

	}



	if (i == adev->sdma.num_instances) {

		DRM_ERROR("sdma instance not found\n");

		return -EINVAL;

	}



	r = amdgpu_mes_reset_legacy_queue(adev, ring, vmid, true);

	if (r)

		return r;



	return sdma_v7_0_gfx_resume_instance(adev, i, true);

}



/**

 * sdma_v7_0_start - setup and start the async dma engines

 *
@@ -1659,6 +1684,7 @@ static const struct amdgpu_ring_funcs sdma_v7_0_ring_funcs = { 
	.emit_reg_write_reg_wait = sdma_v7_0_ring_emit_reg_write_reg_wait,

	.init_cond_exec = sdma_v7_0_ring_init_cond_exec,

	.preempt_ib = sdma_v7_0_ring_preempt_ib,

	.reset = sdma_v7_0_reset_queue,

};



static void sdma_v7_0_set_ring_funcs(struct amdgpu_device *adev)