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3a1e3c4835
There is no need to pass explicit gt since we already have a trick to get parent gt from uc_fw, we only need to use it. Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20191211124549.59516-3-michal.wajdeczko@intel.com
44 lines
1.2 KiB
C
44 lines
1.2 KiB
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_init_early() - initializes HuC firmware struct
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* @huc: intel_huc struct
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*
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* On platforms with HuC selects firmware for uploading
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*/
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void intel_huc_fw_init_early(struct intel_huc *huc)
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{
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struct intel_gt *gt = huc_to_gt(huc);
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struct intel_uc *uc = >->uc;
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struct drm_i915_private *i915 = gt->i915;
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intel_uc_fw_init_early(&huc->fw, INTEL_UC_FW_TYPE_HUC,
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intel_uc_uses_guc(uc),
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INTEL_INFO(i915)->platform, INTEL_REVID(i915));
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}
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/**
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* intel_huc_fw_upload() - load HuC uCode to device
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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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/* 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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