diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c')
-rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c new file mode 100644 index 000000000000..e5ef509c70e8 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc_fw.c @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright © 2014-2019 Intel Corporation + */ + +#include "gt/intel_gt.h" +#include "intel_huc_fw.h" +#include "i915_drv.h" + +/** + * intel_huc_fw_upload() - load HuC uCode to device + * @huc: intel_huc structure + * + * Called from intel_uc_init_hw() during driver load, resume from sleep and + * after a GPU reset. Note that HuC must be loaded before GuC. + * + * The firmware image should have already been fetched into memory, so only + * check that fetch succeeded, and then transfer the image to the h/w. + * + * Return: non-zero code on error + */ +int intel_huc_fw_upload(struct intel_huc *huc) +{ + /* HW doesn't look at destination address for HuC, so set it to 0 */ + return intel_uc_fw_upload(&huc->fw, 0, HUC_UKERNEL); +} |