drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c - kernel/msm-4.19 - Gitiles

 /*
  * Copyright 2014 Advanced Micro Devices, Inc.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  * OTHER DEALINGS IN THE SOFTWARE.
  *
  */

 #include <linux/firmware.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <drm/drmP.h>
 #include "amdgpu.h"
 #include "amdgpu_ucode.h"

 static void amdgpu_ucode_print_common_hdr(const struct common_firmware_header *hdr)
 {
 	DRM_DEBUG("size_bytes: %u\n", le32_to_cpu(hdr->size_bytes));
 	DRM_DEBUG("header_size_bytes: %u\n", le32_to_cpu(hdr->header_size_bytes));
 	DRM_DEBUG("header_version_major: %u\n", le16_to_cpu(hdr->header_version_major));
 	DRM_DEBUG("header_version_minor: %u\n", le16_to_cpu(hdr->header_version_minor));
 	DRM_DEBUG("ip_version_major: %u\n", le16_to_cpu(hdr->ip_version_major));
 	DRM_DEBUG("ip_version_minor: %u\n", le16_to_cpu(hdr->ip_version_minor));
 	DRM_DEBUG("ucode_version: 0x%08x\n", le32_to_cpu(hdr->ucode_version));
 	DRM_DEBUG("ucode_size_bytes: %u\n", le32_to_cpu(hdr->ucode_size_bytes));
 	DRM_DEBUG("ucode_array_offset_bytes: %u\n",
 		  le32_to_cpu(hdr->ucode_array_offset_bytes));
 	DRM_DEBUG("crc32: 0x%08x\n", le32_to_cpu(hdr->crc32));
 }

 void amdgpu_ucode_print_mc_hdr(const struct common_firmware_header *hdr)
 {
 	uint16_t version_major = le16_to_cpu(hdr->header_version_major);
 	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);

 	DRM_DEBUG("MC\n");
 	amdgpu_ucode_print_common_hdr(hdr);

 	if (version_major == 1) {
 		const struct mc_firmware_header_v1_0 *mc_hdr =
 			container_of(hdr, struct mc_firmware_header_v1_0, header);

 		DRM_DEBUG("io_debug_size_bytes: %u\n",
 			  le32_to_cpu(mc_hdr->io_debug_size_bytes));
 		DRM_DEBUG("io_debug_array_offset_bytes: %u\n",
 			  le32_to_cpu(mc_hdr->io_debug_array_offset_bytes));
 	} else {
 		DRM_ERROR("Unknown MC ucode version: %u.%u\n", version_major, version_minor);
 	}
 }

 void amdgpu_ucode_print_smc_hdr(const struct common_firmware_header *hdr)
 {
 	uint16_t version_major = le16_to_cpu(hdr->header_version_major);
 	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);

 	DRM_DEBUG("SMC\n");
 	amdgpu_ucode_print_common_hdr(hdr);

 	if (version_major == 1) {
 		const struct smc_firmware_header_v1_0 *smc_hdr =
 			container_of(hdr, struct smc_firmware_header_v1_0, header);

 		DRM_DEBUG("ucode_start_addr: %u\n", le32_to_cpu(smc_hdr->ucode_start_addr));
 	} else {
 		DRM_ERROR("Unknown SMC ucode version: %u.%u\n", version_major, version_minor);
 	}
 }

 void amdgpu_ucode_print_gfx_hdr(const struct common_firmware_header *hdr)
 {
 	uint16_t version_major = le16_to_cpu(hdr->header_version_major);
 	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);

 	DRM_DEBUG("GFX\n");
 	amdgpu_ucode_print_common_hdr(hdr);

 	if (version_major == 1) {
 		const struct gfx_firmware_header_v1_0 *gfx_hdr =
 			container_of(hdr, struct gfx_firmware_header_v1_0, header);

 		DRM_DEBUG("ucode_feature_version: %u\n",
 			  le32_to_cpu(gfx_hdr->ucode_feature_version));
 		DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(gfx_hdr->jt_offset));
 		DRM_DEBUG("jt_size: %u\n", le32_to_cpu(gfx_hdr->jt_size));
 	} else {
 		DRM_ERROR("Unknown GFX ucode version: %u.%u\n", version_major, version_minor);
 	}
 }

 void amdgpu_ucode_print_rlc_hdr(const struct common_firmware_header *hdr)
 {
 	uint16_t version_major = le16_to_cpu(hdr->header_version_major);
 	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);

 	DRM_DEBUG("RLC\n");
 	amdgpu_ucode_print_common_hdr(hdr);

 	if (version_major == 1) {
 		const struct rlc_firmware_header_v1_0 *rlc_hdr =
 			container_of(hdr, struct rlc_firmware_header_v1_0, header);

 		DRM_DEBUG("ucode_feature_version: %u\n",
 			  le32_to_cpu(rlc_hdr->ucode_feature_version));
 		DRM_DEBUG("save_and_restore_offset: %u\n",
 			  le32_to_cpu(rlc_hdr->save_and_restore_offset));
 		DRM_DEBUG("clear_state_descriptor_offset: %u\n",
 			  le32_to_cpu(rlc_hdr->clear_state_descriptor_offset));
 		DRM_DEBUG("avail_scratch_ram_locations: %u\n",
 			  le32_to_cpu(rlc_hdr->avail_scratch_ram_locations));
 		DRM_DEBUG("master_pkt_description_offset: %u\n",
 			  le32_to_cpu(rlc_hdr->master_pkt_description_offset));
 	} else if (version_major == 2) {
 		const struct rlc_firmware_header_v2_0 *rlc_hdr =
 			container_of(hdr, struct rlc_firmware_header_v2_0, header);

 		DRM_DEBUG("ucode_feature_version: %u\n",
 			  le32_to_cpu(rlc_hdr->ucode_feature_version));
 		DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(rlc_hdr->jt_offset));
 		DRM_DEBUG("jt_size: %u\n", le32_to_cpu(rlc_hdr->jt_size));
 		DRM_DEBUG("save_and_restore_offset: %u\n",
 			  le32_to_cpu(rlc_hdr->save_and_restore_offset));
 		DRM_DEBUG("clear_state_descriptor_offset: %u\n",
 			  le32_to_cpu(rlc_hdr->clear_state_descriptor_offset));
 		DRM_DEBUG("avail_scratch_ram_locations: %u\n",
 			  le32_to_cpu(rlc_hdr->avail_scratch_ram_locations));
 		DRM_DEBUG("reg_restore_list_size: %u\n",
 			  le32_to_cpu(rlc_hdr->reg_restore_list_size));
 		DRM_DEBUG("reg_list_format_start: %u\n",
 			  le32_to_cpu(rlc_hdr->reg_list_format_start));
 		DRM_DEBUG("reg_list_format_separate_start: %u\n",
 			  le32_to_cpu(rlc_hdr->reg_list_format_separate_start));
 		DRM_DEBUG("starting_offsets_start: %u\n",
 			  le32_to_cpu(rlc_hdr->starting_offsets_start));
 		DRM_DEBUG("reg_list_format_size_bytes: %u\n",
 			  le32_to_cpu(rlc_hdr->reg_list_format_size_bytes));
 		DRM_DEBUG("reg_list_format_array_offset_bytes: %u\n",
 			  le32_to_cpu(rlc_hdr->reg_list_format_array_offset_bytes));
 		DRM_DEBUG("reg_list_size_bytes: %u\n",
 			  le32_to_cpu(rlc_hdr->reg_list_size_bytes));
 		DRM_DEBUG("reg_list_array_offset_bytes: %u\n",
 			  le32_to_cpu(rlc_hdr->reg_list_array_offset_bytes));
 		DRM_DEBUG("reg_list_format_separate_size_bytes: %u\n",
 			  le32_to_cpu(rlc_hdr->reg_list_format_separate_size_bytes));
 		DRM_DEBUG("reg_list_format_separate_array_offset_bytes: %u\n",
 			  le32_to_cpu(rlc_hdr->reg_list_format_separate_array_offset_bytes));
 		DRM_DEBUG("reg_list_separate_size_bytes: %u\n",
 			  le32_to_cpu(rlc_hdr->reg_list_separate_size_bytes));
 		DRM_DEBUG("reg_list_separate_size_bytes: %u\n",
 			  le32_to_cpu(rlc_hdr->reg_list_separate_size_bytes));
 	} else {
 		DRM_ERROR("Unknown RLC ucode version: %u.%u\n", version_major, version_minor);
 	}
 }

 void amdgpu_ucode_print_sdma_hdr(const struct common_firmware_header *hdr)
 {
 	uint16_t version_major = le16_to_cpu(hdr->header_version_major);
 	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);

 	DRM_DEBUG("SDMA\n");
 	amdgpu_ucode_print_common_hdr(hdr);

 	if (version_major == 1) {
 		const struct sdma_firmware_header_v1_0 *sdma_hdr =
 			container_of(hdr, struct sdma_firmware_header_v1_0, header);

 		DRM_DEBUG("ucode_feature_version: %u\n",
 			  le32_to_cpu(sdma_hdr->ucode_feature_version));
 		DRM_DEBUG("ucode_change_version: %u\n",
 			  le32_to_cpu(sdma_hdr->ucode_change_version));
 		DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(sdma_hdr->jt_offset));
 		DRM_DEBUG("jt_size: %u\n", le32_to_cpu(sdma_hdr->jt_size));
 		if (version_minor >= 1) {
 			const struct sdma_firmware_header_v1_1 *sdma_v1_1_hdr =
 				container_of(sdma_hdr, struct sdma_firmware_header_v1_1, v1_0);
 			DRM_DEBUG("digest_size: %u\n", le32_to_cpu(sdma_v1_1_hdr->digest_size));
 		}
 	} else {
 		DRM_ERROR("Unknown SDMA ucode version: %u.%u\n",
 			  version_major, version_minor);
 	}
 }

 int amdgpu_ucode_validate(const struct firmware *fw)
 {
 	const struct common_firmware_header *hdr =
 		(const struct common_firmware_header *)fw->data;

 	if (fw->size == le32_to_cpu(hdr->size_bytes))
 		return 0;

 	return -EINVAL;
 }

 bool amdgpu_ucode_hdr_version(union amdgpu_firmware_header *hdr,
 				uint16_t hdr_major, uint16_t hdr_minor)
 {
 	if ((hdr->common.header_version_major == hdr_major) &&
 		(hdr->common.header_version_minor == hdr_minor))
 		return false;
 	return true;
 }

 static int amdgpu_ucode_init_single_fw(struct amdgpu_firmware_info *ucode,
 				uint64_t mc_addr, void *kptr)
 {
 	const struct common_firmware_header *header = NULL;

 	if (NULL == ucode->fw)
 		return 0;

 	ucode->mc_addr = mc_addr;
 	ucode->kaddr = kptr;

 	if (ucode->ucode_id == AMDGPU_UCODE_ID_STORAGE)
 		return 0;

 	header = (const struct common_firmware_header *)ucode->fw->data;
 	memcpy(ucode->kaddr, (void *)((uint8_t *)ucode->fw->data +
 		le32_to_cpu(header->ucode_array_offset_bytes)),
 		le32_to_cpu(header->ucode_size_bytes));

 	return 0;
 }

 static int amdgpu_ucode_patch_jt(struct amdgpu_firmware_info *ucode,
 				uint64_t mc_addr, void *kptr)
 {
 	const struct gfx_firmware_header_v1_0 *header = NULL;
 	const struct common_firmware_header *comm_hdr = NULL;
 	uint8_t* src_addr = NULL;
 	uint8_t* dst_addr = NULL;

 	if (NULL == ucode->fw)
 		return 0;

 	comm_hdr = (const struct common_firmware_header *)ucode->fw->data;
 	header = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
 	dst_addr = ucode->kaddr +
 			   ALIGN(le32_to_cpu(comm_hdr->ucode_size_bytes),
 			   PAGE_SIZE);
 	src_addr = (uint8_t *)ucode->fw->data +
 			   le32_to_cpu(comm_hdr->ucode_array_offset_bytes) +
 			   (le32_to_cpu(header->jt_offset) * 4);
 	memcpy(dst_addr, src_addr, le32_to_cpu(header->jt_size) * 4);

 	return 0;
 }


 int amdgpu_ucode_init_bo(struct amdgpu_device *adev)
 {
 	struct amdgpu_bo **bo = &adev->firmware.fw_buf;
 	uint64_t fw_mc_addr;
 	void *fw_buf_ptr = NULL;
 	uint64_t fw_offset = 0;
 	int i, err;
 	struct amdgpu_firmware_info *ucode = NULL;
 	const struct common_firmware_header *header = NULL;

 	err = amdgpu_bo_create(adev, adev->firmware.fw_size, PAGE_SIZE, true,
 				amdgpu_sriov_vf(adev) ? AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT,
 				0, NULL, NULL, bo);
 	if (err) {
 		dev_err(adev->dev, "(%d) Firmware buffer allocate failed\n", err);
 		goto failed;
 	}

 	err = amdgpu_bo_reserve(*bo, false);
 	if (err) {
 		dev_err(adev->dev, "(%d) Firmware buffer reserve failed\n", err);
 		goto failed_reserve;
 	}

 	err = amdgpu_bo_pin(*bo, amdgpu_sriov_vf(adev) ? AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT,
 				&fw_mc_addr);
 	if (err) {
 		dev_err(adev->dev, "(%d) Firmware buffer pin failed\n", err);
 		goto failed_pin;
 	}

 	err = amdgpu_bo_kmap(*bo, &fw_buf_ptr);
 	if (err) {
 		dev_err(adev->dev, "(%d) Firmware buffer kmap failed\n", err);
 		goto failed_kmap;
 	}

 	amdgpu_bo_unreserve(*bo);

 	for (i = 0; i < AMDGPU_UCODE_ID_MAXIMUM; i++) {
 		ucode = &adev->firmware.ucode[i];
 		if (ucode->fw) {
 			header = (const struct common_firmware_header *)ucode->fw->data;
 			amdgpu_ucode_init_single_fw(ucode, fw_mc_addr + fw_offset,
 						    fw_buf_ptr + fw_offset);
 			if (i == AMDGPU_UCODE_ID_CP_MEC1) {
 				const struct gfx_firmware_header_v1_0 *cp_hdr;
 				cp_hdr = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
 				amdgpu_ucode_patch_jt(ucode, fw_mc_addr + fw_offset,
 						    fw_buf_ptr + fw_offset);
 				fw_offset += ALIGN(le32_to_cpu(cp_hdr->jt_size) << 2, PAGE_SIZE);
 			}
 			fw_offset += ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
 		}
 	}
 	return 0;

 failed_kmap:
 	amdgpu_bo_unpin(*bo);
 failed_pin:
 	amdgpu_bo_unreserve(*bo);
 failed_reserve:
 	amdgpu_bo_unref(bo);
 failed:
 	adev->firmware.smu_load = false;

 	return err;
 }

 int amdgpu_ucode_fini_bo(struct amdgpu_device *adev)
 {
 	int i;
 	struct amdgpu_firmware_info *ucode = NULL;

 	for (i = 0; i < AMDGPU_UCODE_ID_MAXIMUM; i++) {
 		ucode = &adev->firmware.ucode[i];
 		if (ucode->fw) {
 			ucode->mc_addr = 0;
 			ucode->kaddr = NULL;
 		}
 	}
 	amdgpu_bo_unref(&adev->firmware.fw_buf);
 	adev->firmware.fw_buf = NULL;

 	return 0;
 }
	/*
	* Copyright 2014 Advanced Micro Devices, Inc.
	*
	* Permission is hereby granted, free of charge, to any person obtaining a
	* copy of this software and associated documentation files (the "Software"),
	* to deal in the Software without restriction, including without limitation
	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	* and/or sell copies of the Software, and to permit persons to whom the
	* Software is furnished to do so, subject to the following conditions:
	*
	* The above copyright notice and this permission notice shall be included in
	* all copies or substantial portions of the Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	* OTHER DEALINGS IN THE SOFTWARE.
	*
	*/

	#include <linux/firmware.h>
	#include <linux/slab.h>
	#include <linux/module.h>
	#include <drm/drmP.h>
	#include "amdgpu.h"
	#include "amdgpu_ucode.h"

	static void amdgpu_ucode_print_common_hdr(const struct common_firmware_header *hdr)
	{
	DRM_DEBUG("size_bytes: %u\n", le32_to_cpu(hdr->size_bytes));
	DRM_DEBUG("header_size_bytes: %u\n", le32_to_cpu(hdr->header_size_bytes));
	DRM_DEBUG("header_version_major: %u\n", le16_to_cpu(hdr->header_version_major));
	DRM_DEBUG("header_version_minor: %u\n", le16_to_cpu(hdr->header_version_minor));
	DRM_DEBUG("ip_version_major: %u\n", le16_to_cpu(hdr->ip_version_major));
	DRM_DEBUG("ip_version_minor: %u\n", le16_to_cpu(hdr->ip_version_minor));
	DRM_DEBUG("ucode_version: 0x%08x\n", le32_to_cpu(hdr->ucode_version));
	DRM_DEBUG("ucode_size_bytes: %u\n", le32_to_cpu(hdr->ucode_size_bytes));
	DRM_DEBUG("ucode_array_offset_bytes: %u\n",
	le32_to_cpu(hdr->ucode_array_offset_bytes));
	DRM_DEBUG("crc32: 0x%08x\n", le32_to_cpu(hdr->crc32));
	}

	void amdgpu_ucode_print_mc_hdr(const struct common_firmware_header *hdr)
	{
	uint16_t version_major = le16_to_cpu(hdr->header_version_major);
	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);

	DRM_DEBUG("MC\n");
	amdgpu_ucode_print_common_hdr(hdr);

	if (version_major == 1) {
	const struct mc_firmware_header_v1_0 *mc_hdr =
	container_of(hdr, struct mc_firmware_header_v1_0, header);

	DRM_DEBUG("io_debug_size_bytes: %u\n",
	le32_to_cpu(mc_hdr->io_debug_size_bytes));
	DRM_DEBUG("io_debug_array_offset_bytes: %u\n",
	le32_to_cpu(mc_hdr->io_debug_array_offset_bytes));
	} else {
	DRM_ERROR("Unknown MC ucode version: %u.%u\n", version_major, version_minor);
	}
	}

	void amdgpu_ucode_print_smc_hdr(const struct common_firmware_header *hdr)
	{
	uint16_t version_major = le16_to_cpu(hdr->header_version_major);
	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);

	DRM_DEBUG("SMC\n");
	amdgpu_ucode_print_common_hdr(hdr);

	if (version_major == 1) {
	const struct smc_firmware_header_v1_0 *smc_hdr =
	container_of(hdr, struct smc_firmware_header_v1_0, header);

	DRM_DEBUG("ucode_start_addr: %u\n", le32_to_cpu(smc_hdr->ucode_start_addr));
	} else {
	DRM_ERROR("Unknown SMC ucode version: %u.%u\n", version_major, version_minor);
	}
	}

	void amdgpu_ucode_print_gfx_hdr(const struct common_firmware_header *hdr)
	{
	uint16_t version_major = le16_to_cpu(hdr->header_version_major);
	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);

	DRM_DEBUG("GFX\n");
	amdgpu_ucode_print_common_hdr(hdr);

	if (version_major == 1) {
	const struct gfx_firmware_header_v1_0 *gfx_hdr =
	container_of(hdr, struct gfx_firmware_header_v1_0, header);

	DRM_DEBUG("ucode_feature_version: %u\n",
	le32_to_cpu(gfx_hdr->ucode_feature_version));
	DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(gfx_hdr->jt_offset));
	DRM_DEBUG("jt_size: %u\n", le32_to_cpu(gfx_hdr->jt_size));
	} else {
	DRM_ERROR("Unknown GFX ucode version: %u.%u\n", version_major, version_minor);
	}
	}

	void amdgpu_ucode_print_rlc_hdr(const struct common_firmware_header *hdr)
	{
	uint16_t version_major = le16_to_cpu(hdr->header_version_major);
	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);

	DRM_DEBUG("RLC\n");
	amdgpu_ucode_print_common_hdr(hdr);

	if (version_major == 1) {
	const struct rlc_firmware_header_v1_0 *rlc_hdr =
	container_of(hdr, struct rlc_firmware_header_v1_0, header);

	DRM_DEBUG("ucode_feature_version: %u\n",
	le32_to_cpu(rlc_hdr->ucode_feature_version));
	DRM_DEBUG("save_and_restore_offset: %u\n",
	le32_to_cpu(rlc_hdr->save_and_restore_offset));
	DRM_DEBUG("clear_state_descriptor_offset: %u\n",
	le32_to_cpu(rlc_hdr->clear_state_descriptor_offset));
	DRM_DEBUG("avail_scratch_ram_locations: %u\n",
	le32_to_cpu(rlc_hdr->avail_scratch_ram_locations));
	DRM_DEBUG("master_pkt_description_offset: %u\n",
	le32_to_cpu(rlc_hdr->master_pkt_description_offset));
	} else if (version_major == 2) {
	const struct rlc_firmware_header_v2_0 *rlc_hdr =
	container_of(hdr, struct rlc_firmware_header_v2_0, header);

	DRM_DEBUG("ucode_feature_version: %u\n",
	le32_to_cpu(rlc_hdr->ucode_feature_version));
	DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(rlc_hdr->jt_offset));
	DRM_DEBUG("jt_size: %u\n", le32_to_cpu(rlc_hdr->jt_size));
	DRM_DEBUG("save_and_restore_offset: %u\n",
	le32_to_cpu(rlc_hdr->save_and_restore_offset));
	DRM_DEBUG("clear_state_descriptor_offset: %u\n",
	le32_to_cpu(rlc_hdr->clear_state_descriptor_offset));
	DRM_DEBUG("avail_scratch_ram_locations: %u\n",
	le32_to_cpu(rlc_hdr->avail_scratch_ram_locations));
	DRM_DEBUG("reg_restore_list_size: %u\n",
	le32_to_cpu(rlc_hdr->reg_restore_list_size));
	DRM_DEBUG("reg_list_format_start: %u\n",
	le32_to_cpu(rlc_hdr->reg_list_format_start));
	DRM_DEBUG("reg_list_format_separate_start: %u\n",
	le32_to_cpu(rlc_hdr->reg_list_format_separate_start));
	DRM_DEBUG("starting_offsets_start: %u\n",
	le32_to_cpu(rlc_hdr->starting_offsets_start));
	DRM_DEBUG("reg_list_format_size_bytes: %u\n",
	le32_to_cpu(rlc_hdr->reg_list_format_size_bytes));
	DRM_DEBUG("reg_list_format_array_offset_bytes: %u\n",
	le32_to_cpu(rlc_hdr->reg_list_format_array_offset_bytes));
	DRM_DEBUG("reg_list_size_bytes: %u\n",
	le32_to_cpu(rlc_hdr->reg_list_size_bytes));
	DRM_DEBUG("reg_list_array_offset_bytes: %u\n",
	le32_to_cpu(rlc_hdr->reg_list_array_offset_bytes));
	DRM_DEBUG("reg_list_format_separate_size_bytes: %u\n",
	le32_to_cpu(rlc_hdr->reg_list_format_separate_size_bytes));
	DRM_DEBUG("reg_list_format_separate_array_offset_bytes: %u\n",
	le32_to_cpu(rlc_hdr->reg_list_format_separate_array_offset_bytes));
	DRM_DEBUG("reg_list_separate_size_bytes: %u\n",
	le32_to_cpu(rlc_hdr->reg_list_separate_size_bytes));
	DRM_DEBUG("reg_list_separate_size_bytes: %u\n",
	le32_to_cpu(rlc_hdr->reg_list_separate_size_bytes));
	} else {
	DRM_ERROR("Unknown RLC ucode version: %u.%u\n", version_major, version_minor);
	}
	}

	void amdgpu_ucode_print_sdma_hdr(const struct common_firmware_header *hdr)
	{
	uint16_t version_major = le16_to_cpu(hdr->header_version_major);
	uint16_t version_minor = le16_to_cpu(hdr->header_version_minor);

	DRM_DEBUG("SDMA\n");
	amdgpu_ucode_print_common_hdr(hdr);

	if (version_major == 1) {
	const struct sdma_firmware_header_v1_0 *sdma_hdr =
	container_of(hdr, struct sdma_firmware_header_v1_0, header);

	DRM_DEBUG("ucode_feature_version: %u\n",
	le32_to_cpu(sdma_hdr->ucode_feature_version));
	DRM_DEBUG("ucode_change_version: %u\n",
	le32_to_cpu(sdma_hdr->ucode_change_version));
	DRM_DEBUG("jt_offset: %u\n", le32_to_cpu(sdma_hdr->jt_offset));
	DRM_DEBUG("jt_size: %u\n", le32_to_cpu(sdma_hdr->jt_size));
	if (version_minor >= 1) {
	const struct sdma_firmware_header_v1_1 *sdma_v1_1_hdr =
	container_of(sdma_hdr, struct sdma_firmware_header_v1_1, v1_0);
	DRM_DEBUG("digest_size: %u\n", le32_to_cpu(sdma_v1_1_hdr->digest_size));
	}
	} else {
	DRM_ERROR("Unknown SDMA ucode version: %u.%u\n",
	version_major, version_minor);
	}
	}

	int amdgpu_ucode_validate(const struct firmware *fw)
	{
	const struct common_firmware_header *hdr =
	(const struct common_firmware_header *)fw->data;

	if (fw->size == le32_to_cpu(hdr->size_bytes))
	return 0;

	return -EINVAL;
	}

	bool amdgpu_ucode_hdr_version(union amdgpu_firmware_header *hdr,
	uint16_t hdr_major, uint16_t hdr_minor)
	{
	if ((hdr->common.header_version_major == hdr_major) &&
	(hdr->common.header_version_minor == hdr_minor))
	return false;
	return true;
	}

	static int amdgpu_ucode_init_single_fw(struct amdgpu_firmware_info *ucode,
	uint64_t mc_addr, void *kptr)
	{
	const struct common_firmware_header *header = NULL;

	if (NULL == ucode->fw)
	return 0;

	ucode->mc_addr = mc_addr;
	ucode->kaddr = kptr;

	if (ucode->ucode_id == AMDGPU_UCODE_ID_STORAGE)
	return 0;

	header = (const struct common_firmware_header *)ucode->fw->data;
	memcpy(ucode->kaddr, (void )((uint8_t )ucode->fw->data +
	le32_to_cpu(header->ucode_array_offset_bytes)),
	le32_to_cpu(header->ucode_size_bytes));

	return 0;
	}

	static int amdgpu_ucode_patch_jt(struct amdgpu_firmware_info *ucode,
	uint64_t mc_addr, void *kptr)
	{
	const struct gfx_firmware_header_v1_0 *header = NULL;
	const struct common_firmware_header *comm_hdr = NULL;
	uint8_t* src_addr = NULL;
	uint8_t* dst_addr = NULL;

	if (NULL == ucode->fw)
	return 0;

	comm_hdr = (const struct common_firmware_header *)ucode->fw->data;
	header = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
	dst_addr = ucode->kaddr +
	ALIGN(le32_to_cpu(comm_hdr->ucode_size_bytes),
	PAGE_SIZE);
	src_addr = (uint8_t *)ucode->fw->data +
	le32_to_cpu(comm_hdr->ucode_array_offset_bytes) +
	(le32_to_cpu(header->jt_offset) * 4);
	memcpy(dst_addr, src_addr, le32_to_cpu(header->jt_size) * 4);

	return 0;
	}


	int amdgpu_ucode_init_bo(struct amdgpu_device *adev)
	{
	struct amdgpu_bo **bo = &adev->firmware.fw_buf;
	uint64_t fw_mc_addr;
	void *fw_buf_ptr = NULL;
	uint64_t fw_offset = 0;
	int i, err;
	struct amdgpu_firmware_info *ucode = NULL;
	const struct common_firmware_header *header = NULL;

	err = amdgpu_bo_create(adev, adev->firmware.fw_size, PAGE_SIZE, true,
	amdgpu_sriov_vf(adev) ? AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT,
	0, NULL, NULL, bo);
	if (err) {
	dev_err(adev->dev, "(%d) Firmware buffer allocate failed\n", err);
	goto failed;
	}

	err = amdgpu_bo_reserve(*bo, false);
	if (err) {
	dev_err(adev->dev, "(%d) Firmware buffer reserve failed\n", err);
	goto failed_reserve;
	}

	err = amdgpu_bo_pin(*bo, amdgpu_sriov_vf(adev) ? AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT,
	&fw_mc_addr);
	if (err) {
	dev_err(adev->dev, "(%d) Firmware buffer pin failed\n", err);
	goto failed_pin;
	}

	err = amdgpu_bo_kmap(*bo, &fw_buf_ptr);
	if (err) {
	dev_err(adev->dev, "(%d) Firmware buffer kmap failed\n", err);
	goto failed_kmap;
	}

	amdgpu_bo_unreserve(*bo);

	for (i = 0; i < AMDGPU_UCODE_ID_MAXIMUM; i++) {
	ucode = &adev->firmware.ucode[i];
	if (ucode->fw) {
	header = (const struct common_firmware_header *)ucode->fw->data;
	amdgpu_ucode_init_single_fw(ucode, fw_mc_addr + fw_offset,
	fw_buf_ptr + fw_offset);
	if (i == AMDGPU_UCODE_ID_CP_MEC1) {
	const struct gfx_firmware_header_v1_0 *cp_hdr;
	cp_hdr = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
	amdgpu_ucode_patch_jt(ucode, fw_mc_addr + fw_offset,
	fw_buf_ptr + fw_offset);
	fw_offset += ALIGN(le32_to_cpu(cp_hdr->jt_size) << 2, PAGE_SIZE);
	}
	fw_offset += ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
	}
	}
	return 0;

	failed_kmap:
	amdgpu_bo_unpin(*bo);
	failed_pin:
	amdgpu_bo_unreserve(*bo);
	failed_reserve:
	amdgpu_bo_unref(bo);
	failed:
	adev->firmware.smu_load = false;

	return err;
	}

	int amdgpu_ucode_fini_bo(struct amdgpu_device *adev)
	{
	int i;
	struct amdgpu_firmware_info *ucode = NULL;

	for (i = 0; i < AMDGPU_UCODE_ID_MAXIMUM; i++) {
	ucode = &adev->firmware.ucode[i];
	if (ucode->fw) {
	ucode->mc_addr = 0;
	ucode->kaddr = NULL;
	}
	}
	amdgpu_bo_unref(&adev->firmware.fw_buf);
	adev->firmware.fw_buf = NULL;

	return 0;
	}