forked from Qortal/Brooklyn
30 lines
825 B
C
30 lines
825 B
C
// SPDX-License-Identifier: MIT
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/*
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* Copyright © 2014-2019 Intel Corporation
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*/
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#include "gt/intel_gt.h"
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#include "intel_huc_fw.h"
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#include "i915_drv.h"
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/**
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* intel_huc_fw_upload() - load HuC uCode to device via DMA transfer
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* @huc: intel_huc structure
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*
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* Called from intel_uc_init_hw() during driver load, resume from sleep and
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* after a GPU reset. Note that HuC must be loaded before GuC.
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*
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* The firmware image should have already been fetched into memory, so only
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* check that fetch succeeded, and then transfer the image to the h/w.
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*
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* Return: non-zero code on error
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*/
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int intel_huc_fw_upload(struct intel_huc *huc)
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{
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if (intel_huc_is_loaded_by_gsc(huc))
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return -ENODEV;
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/* HW doesn't look at destination address for HuC, so set it to 0 */
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return intel_uc_fw_upload(&huc->fw, 0, HUC_UKERNEL);
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}
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