Adding upstream version 5.10.209.upstream/5.10.209

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2798 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
new file mode 100644
index 000000000..8a2abcfd5
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -0,0 +1,2798 @@
+/*
+ * Copyright 2016 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.
+ *
+ * Author: Huang Rui
+ *
+ */
+
+#include <linux/firmware.h>
+#include <linux/dma-mapping.h>
+
+#include "amdgpu.h"
+#include "amdgpu_psp.h"
+#include "amdgpu_ucode.h"
+#include "soc15_common.h"
+#include "psp_v3_1.h"
+#include "psp_v10_0.h"
+#include "psp_v11_0.h"
+#include "psp_v12_0.h"
+
+#include "amdgpu_ras.h"
+
+static int psp_sysfs_init(struct amdgpu_device *adev);
+static void psp_sysfs_fini(struct amdgpu_device *adev);
+
+static int psp_load_smu_fw(struct psp_context *psp);
+
+/*
+ * Due to DF Cstate management centralized to PMFW, the firmware
+ * loading sequence will be updated as below:
+ *   - Load KDB
+ *   - Load SYS_DRV
+ *   - Load tOS
+ *   - Load PMFW
+ *   - Setup TMR
+ *   - Load other non-psp fw
+ *   - Load ASD
+ *   - Load XGMI/RAS/HDCP/DTM TA if any
+ *
+ * This new sequence is required for
+ *   - Arcturus
+ *   - Navi12 and onwards
+ */
+static void psp_check_pmfw_centralized_cstate_management(struct psp_context *psp)
+{
+	struct amdgpu_device *adev = psp->adev;
+
+	psp->pmfw_centralized_cstate_management = false;
+
+	if (amdgpu_sriov_vf(adev))
+		return;
+
+	if (adev->flags & AMD_IS_APU)
+		return;
+
+	if ((adev->asic_type == CHIP_ARCTURUS) ||
+	    (adev->asic_type >= CHIP_NAVI12))
+		psp->pmfw_centralized_cstate_management = true;
+}
+
+static int psp_early_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	struct psp_context *psp = &adev->psp;
+
+	switch (adev->asic_type) {
+	case CHIP_VEGA10:
+	case CHIP_VEGA12:
+		psp_v3_1_set_psp_funcs(psp);
+		psp->autoload_supported = false;
+		break;
+	case CHIP_RAVEN:
+		psp_v10_0_set_psp_funcs(psp);
+		psp->autoload_supported = false;
+		break;
+	case CHIP_VEGA20:
+	case CHIP_ARCTURUS:
+		psp_v11_0_set_psp_funcs(psp);
+		psp->autoload_supported = false;
+		break;
+	case CHIP_NAVI10:
+	case CHIP_NAVI14:
+	case CHIP_NAVI12:
+	case CHIP_SIENNA_CICHLID:
+	case CHIP_NAVY_FLOUNDER:
+		psp_v11_0_set_psp_funcs(psp);
+		psp->autoload_supported = true;
+		break;
+	case CHIP_RENOIR:
+		psp_v12_0_set_psp_funcs(psp);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	psp->adev = adev;
+
+	psp_check_pmfw_centralized_cstate_management(psp);
+
+	return 0;
+}
+
+static void psp_memory_training_fini(struct psp_context *psp)
+{
+	struct psp_memory_training_context *ctx = &psp->mem_train_ctx;
+
+	ctx->init = PSP_MEM_TRAIN_NOT_SUPPORT;
+	kfree(ctx->sys_cache);
+	ctx->sys_cache = NULL;
+}
+
+static int psp_memory_training_init(struct psp_context *psp)
+{
+	int ret;
+	struct psp_memory_training_context *ctx = &psp->mem_train_ctx;
+
+	if (ctx->init != PSP_MEM_TRAIN_RESERVE_SUCCESS) {
+		DRM_DEBUG("memory training is not supported!\n");
+		return 0;
+	}
+
+	ctx->sys_cache = kzalloc(ctx->train_data_size, GFP_KERNEL);
+	if (ctx->sys_cache == NULL) {
+		DRM_ERROR("alloc mem_train_ctx.sys_cache failed!\n");
+		ret = -ENOMEM;
+		goto Err_out;
+	}
+
+	DRM_DEBUG("train_data_size:%llx,p2c_train_data_offset:%llx,c2p_train_data_offset:%llx.\n",
+		  ctx->train_data_size,
+		  ctx->p2c_train_data_offset,
+		  ctx->c2p_train_data_offset);
+	ctx->init = PSP_MEM_TRAIN_INIT_SUCCESS;
+	return 0;
+
+Err_out:
+	psp_memory_training_fini(psp);
+	return ret;
+}
+
+static int psp_sw_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	struct psp_context *psp = &adev->psp;
+	int ret;
+
+	if (!amdgpu_sriov_vf(adev)) {
+		ret = psp_init_microcode(psp);
+		if (ret) {
+			DRM_ERROR("Failed to load psp firmware!\n");
+			return ret;
+		}
+	}
+
+	ret = psp_memory_training_init(psp);
+	if (ret) {
+		DRM_ERROR("Failed to initialize memory training!\n");
+		return ret;
+	}
+	ret = psp_mem_training(psp, PSP_MEM_TRAIN_COLD_BOOT);
+	if (ret) {
+		DRM_ERROR("Failed to process memory training!\n");
+		return ret;
+	}
+
+	if (adev->asic_type == CHIP_NAVI10 || adev->asic_type == CHIP_SIENNA_CICHLID) {
+		ret= psp_sysfs_init(adev);
+		if (ret) {
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+static int psp_sw_fini(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	psp_memory_training_fini(&adev->psp);
+	if (adev->psp.sos_fw) {
+		release_firmware(adev->psp.sos_fw);
+		adev->psp.sos_fw = NULL;
+	}
+	if (adev->psp.asd_fw) {
+		release_firmware(adev->psp.asd_fw);
+		adev->psp.asd_fw = NULL;
+	}
+	if (adev->psp.ta_fw) {
+		release_firmware(adev->psp.ta_fw);
+		adev->psp.ta_fw = NULL;
+	}
+
+	if (adev->asic_type == CHIP_NAVI10 ||
+	    adev->asic_type == CHIP_SIENNA_CICHLID)
+		psp_sysfs_fini(adev);
+
+	return 0;
+}
+
+int psp_wait_for(struct psp_context *psp, uint32_t reg_index,
+		 uint32_t reg_val, uint32_t mask, bool check_changed)
+{
+	uint32_t val;
+	int i;
+	struct amdgpu_device *adev = psp->adev;
+
+	if (psp->adev->in_pci_err_recovery)
+		return 0;
+
+	for (i = 0; i < adev->usec_timeout; i++) {
+		val = RREG32(reg_index);
+		if (check_changed) {
+			if (val != reg_val)
+				return 0;
+		} else {
+			if ((val & mask) == reg_val)
+				return 0;
+		}
+		udelay(1);
+	}
+
+	return -ETIME;
+}
+
+static int
+psp_cmd_submit_buf(struct psp_context *psp,
+		   struct amdgpu_firmware_info *ucode,
+		   struct psp_gfx_cmd_resp *cmd, uint64_t fence_mc_addr)
+{
+	int ret;
+	int index;
+	int timeout = 2000;
+	bool ras_intr = false;
+	bool skip_unsupport = false;
+
+	if (psp->adev->in_pci_err_recovery)
+		return 0;
+
+	mutex_lock(&psp->mutex);
+
+	memset(psp->cmd_buf_mem, 0, PSP_CMD_BUFFER_SIZE);
+
+	memcpy(psp->cmd_buf_mem, cmd, sizeof(struct psp_gfx_cmd_resp));
+
+	index = atomic_inc_return(&psp->fence_value);
+	ret = psp_ring_cmd_submit(psp, psp->cmd_buf_mc_addr, fence_mc_addr, index);
+	if (ret) {
+		atomic_dec(&psp->fence_value);
+		mutex_unlock(&psp->mutex);
+		return ret;
+	}
+
+	amdgpu_asic_invalidate_hdp(psp->adev, NULL);
+	while (*((unsigned int *)psp->fence_buf) != index) {
+		if (--timeout == 0)
+			break;
+		/*
+		 * Shouldn't wait for timeout when err_event_athub occurs,
+		 * because gpu reset thread triggered and lock resource should
+		 * be released for psp resume sequence.
+		 */
+		ras_intr = amdgpu_ras_intr_triggered();
+		if (ras_intr)
+			break;
+		msleep(1);
+		amdgpu_asic_invalidate_hdp(psp->adev, NULL);
+	}
+
+	/* We allow TEE_ERROR_NOT_SUPPORTED for VMR command and PSP_ERR_UNKNOWN_COMMAND in SRIOV */
+	skip_unsupport = (psp->cmd_buf_mem->resp.status == TEE_ERROR_NOT_SUPPORTED ||
+		psp->cmd_buf_mem->resp.status == PSP_ERR_UNKNOWN_COMMAND) && amdgpu_sriov_vf(psp->adev);
+
+	/* In some cases, psp response status is not 0 even there is no
+	 * problem while the command is submitted. Some version of PSP FW
+	 * doesn't write 0 to that field.
+	 * So here we would like to only print a warning instead of an error
+	 * during psp initialization to avoid breaking hw_init and it doesn't
+	 * return -EINVAL.
+	 */
+	if (!skip_unsupport && (psp->cmd_buf_mem->resp.status || !timeout) && !ras_intr) {
+		if (ucode)
+			DRM_WARN("failed to load ucode id (%d) ",
+				  ucode->ucode_id);
+		DRM_WARN("psp command (0x%X) failed and response status is (0x%X)\n",
+			 psp->cmd_buf_mem->cmd_id,
+			 psp->cmd_buf_mem->resp.status);
+		if (!timeout) {
+			mutex_unlock(&psp->mutex);
+			return -EINVAL;
+		}
+	}
+
+	/* get xGMI session id from response buffer */
+	cmd->resp.session_id = psp->cmd_buf_mem->resp.session_id;
+
+	if (ucode) {
+		ucode->tmr_mc_addr_lo = psp->cmd_buf_mem->resp.fw_addr_lo;
+		ucode->tmr_mc_addr_hi = psp->cmd_buf_mem->resp.fw_addr_hi;
+	}
+	mutex_unlock(&psp->mutex);
+
+	return ret;
+}
+
+static void psp_prep_tmr_cmd_buf(struct psp_context *psp,
+				 struct psp_gfx_cmd_resp *cmd,
+				 uint64_t tmr_mc, uint32_t size)
+{
+	if (amdgpu_sriov_vf(psp->adev))
+		cmd->cmd_id = GFX_CMD_ID_SETUP_VMR;
+	else
+		cmd->cmd_id = GFX_CMD_ID_SETUP_TMR;
+	cmd->cmd.cmd_setup_tmr.buf_phy_addr_lo = lower_32_bits(tmr_mc);
+	cmd->cmd.cmd_setup_tmr.buf_phy_addr_hi = upper_32_bits(tmr_mc);
+	cmd->cmd.cmd_setup_tmr.buf_size = size;
+}
+
+static void psp_prep_load_toc_cmd_buf(struct psp_gfx_cmd_resp *cmd,
+				      uint64_t pri_buf_mc, uint32_t size)
+{
+	cmd->cmd_id = GFX_CMD_ID_LOAD_TOC;
+	cmd->cmd.cmd_load_toc.toc_phy_addr_lo = lower_32_bits(pri_buf_mc);
+	cmd->cmd.cmd_load_toc.toc_phy_addr_hi = upper_32_bits(pri_buf_mc);
+	cmd->cmd.cmd_load_toc.toc_size = size;
+}
+
+/* Issue LOAD TOC cmd to PSP to part toc and calculate tmr size needed */
+static int psp_load_toc(struct psp_context *psp,
+			uint32_t *tmr_size)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+	/* Copy toc to psp firmware private buffer */
+	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
+	memcpy(psp->fw_pri_buf, psp->toc_start_addr, psp->toc_bin_size);
+
+	psp_prep_load_toc_cmd_buf(cmd, psp->fw_pri_mc_addr, psp->toc_bin_size);
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd,
+				 psp->fence_buf_mc_addr);
+	if (!ret)
+		*tmr_size = psp->cmd_buf_mem->resp.tmr_size;
+	kfree(cmd);
+	return ret;
+}
+
+/* Set up Trusted Memory Region */
+static int psp_tmr_init(struct psp_context *psp)
+{
+	int ret;
+	int tmr_size;
+	void *tmr_buf;
+	void **pptr;
+
+	/*
+	 * According to HW engineer, they prefer the TMR address be "naturally
+	 * aligned" , e.g. the start address be an integer divide of TMR size.
+	 *
+	 * Note: this memory need be reserved till the driver
+	 * uninitializes.
+	 */
+	tmr_size = PSP_TMR_SIZE;
+
+	/* For ASICs support RLC autoload, psp will parse the toc
+	 * and calculate the total size of TMR needed */
+	if (!amdgpu_sriov_vf(psp->adev) &&
+	    psp->toc_start_addr &&
+	    psp->toc_bin_size &&
+	    psp->fw_pri_buf) {
+		ret = psp_load_toc(psp, &tmr_size);
+		if (ret) {
+			DRM_ERROR("Failed to load toc\n");
+			return ret;
+		}
+	}
+
+	pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
+	ret = amdgpu_bo_create_kernel(psp->adev, tmr_size, PSP_TMR_SIZE,
+				      AMDGPU_GEM_DOMAIN_VRAM,
+				      &psp->tmr_bo, &psp->tmr_mc_addr, pptr);
+
+	return ret;
+}
+
+static int psp_clear_vf_fw(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	if (!amdgpu_sriov_vf(psp->adev) || psp->adev->asic_type != CHIP_NAVI12)
+		return 0;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	cmd->cmd_id = GFX_CMD_ID_CLEAR_VF_FW;
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
+	kfree(cmd);
+
+	return ret;
+}
+
+static bool psp_skip_tmr(struct psp_context *psp)
+{
+	switch (psp->adev->asic_type) {
+	case CHIP_NAVI12:
+	case CHIP_SIENNA_CICHLID:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static int psp_tmr_load(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	/* For Navi12 and CHIP_SIENNA_CICHLID SRIOV, do not set up TMR.
+	 * Already set up by host driver.
+	 */
+	if (amdgpu_sriov_vf(psp->adev) && psp_skip_tmr(psp))
+		return 0;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	psp_prep_tmr_cmd_buf(psp, cmd, psp->tmr_mc_addr,
+			     amdgpu_bo_size(psp->tmr_bo));
+	DRM_INFO("reserve 0x%lx from 0x%llx for PSP TMR\n",
+		 amdgpu_bo_size(psp->tmr_bo), psp->tmr_mc_addr);
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd,
+				 psp->fence_buf_mc_addr);
+
+	kfree(cmd);
+
+	return ret;
+}
+
+static void psp_prep_tmr_unload_cmd_buf(struct psp_context *psp,
+					struct psp_gfx_cmd_resp *cmd)
+{
+	if (amdgpu_sriov_vf(psp->adev))
+		cmd->cmd_id = GFX_CMD_ID_DESTROY_VMR;
+	else
+		cmd->cmd_id = GFX_CMD_ID_DESTROY_TMR;
+}
+
+static int psp_tmr_unload(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	psp_prep_tmr_unload_cmd_buf(psp, cmd);
+	DRM_INFO("free PSP TMR buffer\n");
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd,
+				 psp->fence_buf_mc_addr);
+
+	kfree(cmd);
+
+	return ret;
+}
+
+static int psp_tmr_terminate(struct psp_context *psp)
+{
+	int ret;
+	void *tmr_buf;
+	void **pptr;
+
+	ret = psp_tmr_unload(psp);
+	if (ret)
+		return ret;
+
+	/* free TMR memory buffer */
+	pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;
+	amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, pptr);
+
+	return 0;
+}
+
+static void psp_prep_asd_load_cmd_buf(struct psp_gfx_cmd_resp *cmd,
+				uint64_t asd_mc, uint32_t size)
+{
+	cmd->cmd_id = GFX_CMD_ID_LOAD_ASD;
+	cmd->cmd.cmd_load_ta.app_phy_addr_lo = lower_32_bits(asd_mc);
+	cmd->cmd.cmd_load_ta.app_phy_addr_hi = upper_32_bits(asd_mc);
+	cmd->cmd.cmd_load_ta.app_len = size;
+
+	cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_lo = 0;
+	cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_hi = 0;
+	cmd->cmd.cmd_load_ta.cmd_buf_len = 0;
+}
+
+static int psp_asd_load(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	/* If PSP version doesn't match ASD version, asd loading will be failed.
+	 * add workaround to bypass it for sriov now.
+	 * TODO: add version check to make it common
+	 */
+	if (amdgpu_sriov_vf(psp->adev) || !psp->asd_fw)
+		return 0;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
+	memcpy(psp->fw_pri_buf, psp->asd_start_addr, psp->asd_ucode_size);
+
+	psp_prep_asd_load_cmd_buf(cmd, psp->fw_pri_mc_addr,
+				  psp->asd_ucode_size);
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd,
+				 psp->fence_buf_mc_addr);
+	if (!ret) {
+		psp->asd_context.asd_initialized = true;
+		psp->asd_context.session_id = cmd->resp.session_id;
+	}
+
+	kfree(cmd);
+
+	return ret;
+}
+
+static void psp_prep_ta_unload_cmd_buf(struct psp_gfx_cmd_resp *cmd,
+				       uint32_t session_id)
+{
+	cmd->cmd_id = GFX_CMD_ID_UNLOAD_TA;
+	cmd->cmd.cmd_unload_ta.session_id = session_id;
+}
+
+static int psp_asd_unload(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	if (!psp->asd_context.asd_initialized)
+		return 0;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	psp_prep_ta_unload_cmd_buf(cmd, psp->asd_context.session_id);
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd,
+				 psp->fence_buf_mc_addr);
+	if (!ret)
+		psp->asd_context.asd_initialized = false;
+
+	kfree(cmd);
+
+	return ret;
+}
+
+static void psp_prep_reg_prog_cmd_buf(struct psp_gfx_cmd_resp *cmd,
+		uint32_t id, uint32_t value)
+{
+	cmd->cmd_id = GFX_CMD_ID_PROG_REG;
+	cmd->cmd.cmd_setup_reg_prog.reg_value = value;
+	cmd->cmd.cmd_setup_reg_prog.reg_id = id;
+}
+
+int psp_reg_program(struct psp_context *psp, enum psp_reg_prog_id reg,
+		uint32_t value)
+{
+	struct psp_gfx_cmd_resp *cmd = NULL;
+	int ret = 0;
+
+	if (reg >= PSP_REG_LAST)
+		return -EINVAL;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	psp_prep_reg_prog_cmd_buf(cmd, reg, value);
+	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
+
+	kfree(cmd);
+	return ret;
+}
+
+static void psp_prep_ta_load_cmd_buf(struct psp_gfx_cmd_resp *cmd,
+				     uint64_t ta_bin_mc,
+				     uint32_t ta_bin_size,
+				     uint64_t ta_shared_mc,
+				     uint32_t ta_shared_size)
+{
+	cmd->cmd_id 				= GFX_CMD_ID_LOAD_TA;
+	cmd->cmd.cmd_load_ta.app_phy_addr_lo 	= lower_32_bits(ta_bin_mc);
+	cmd->cmd.cmd_load_ta.app_phy_addr_hi 	= upper_32_bits(ta_bin_mc);
+	cmd->cmd.cmd_load_ta.app_len 		= ta_bin_size;
+
+	cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_lo = lower_32_bits(ta_shared_mc);
+	cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_hi = upper_32_bits(ta_shared_mc);
+	cmd->cmd.cmd_load_ta.cmd_buf_len 	 = ta_shared_size;
+}
+
+static int psp_xgmi_init_shared_buf(struct psp_context *psp)
+{
+	int ret;
+
+	/*
+	 * Allocate 16k memory aligned to 4k from Frame Buffer (local
+	 * physical) for xgmi ta <-> Driver
+	 */
+	ret = amdgpu_bo_create_kernel(psp->adev, PSP_XGMI_SHARED_MEM_SIZE,
+				      PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
+				      &psp->xgmi_context.xgmi_shared_bo,
+				      &psp->xgmi_context.xgmi_shared_mc_addr,
+				      &psp->xgmi_context.xgmi_shared_buf);
+
+	return ret;
+}
+
+static void psp_prep_ta_invoke_cmd_buf(struct psp_gfx_cmd_resp *cmd,
+				       uint32_t ta_cmd_id,
+				       uint32_t session_id)
+{
+	cmd->cmd_id 				= GFX_CMD_ID_INVOKE_CMD;
+	cmd->cmd.cmd_invoke_cmd.session_id 	= session_id;
+	cmd->cmd.cmd_invoke_cmd.ta_cmd_id 	= ta_cmd_id;
+}
+
+static int psp_ta_invoke(struct psp_context *psp,
+		  uint32_t ta_cmd_id,
+		  uint32_t session_id)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	psp_prep_ta_invoke_cmd_buf(cmd, ta_cmd_id, session_id);
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd,
+				 psp->fence_buf_mc_addr);
+
+	kfree(cmd);
+
+	return ret;
+}
+
+static int psp_xgmi_load(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	/*
+	 * TODO: bypass the loading in sriov for now
+	 */
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
+	memcpy(psp->fw_pri_buf, psp->ta_xgmi_start_addr, psp->ta_xgmi_ucode_size);
+
+	psp_prep_ta_load_cmd_buf(cmd,
+				 psp->fw_pri_mc_addr,
+				 psp->ta_xgmi_ucode_size,
+				 psp->xgmi_context.xgmi_shared_mc_addr,
+				 PSP_XGMI_SHARED_MEM_SIZE);
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd,
+				 psp->fence_buf_mc_addr);
+
+	if (!ret) {
+		psp->xgmi_context.initialized = 1;
+		psp->xgmi_context.session_id = cmd->resp.session_id;
+	}
+
+	kfree(cmd);
+
+	return ret;
+}
+
+static int psp_xgmi_unload(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+	struct amdgpu_device *adev = psp->adev;
+
+	/* XGMI TA unload currently is not supported on Arcturus */
+	if (adev->asic_type == CHIP_ARCTURUS)
+		return 0;
+
+	/*
+	 * TODO: bypass the unloading in sriov for now
+	 */
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	psp_prep_ta_unload_cmd_buf(cmd, psp->xgmi_context.session_id);
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd,
+				 psp->fence_buf_mc_addr);
+
+	kfree(cmd);
+
+	return ret;
+}
+
+int psp_xgmi_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
+{
+	return psp_ta_invoke(psp, ta_cmd_id, psp->xgmi_context.session_id);
+}
+
+int psp_xgmi_terminate(struct psp_context *psp)
+{
+	int ret;
+
+	if (!psp->xgmi_context.initialized)
+		return 0;
+
+	ret = psp_xgmi_unload(psp);
+	if (ret)
+		return ret;
+
+	psp->xgmi_context.initialized = 0;
+
+	/* free xgmi shared memory */
+	amdgpu_bo_free_kernel(&psp->xgmi_context.xgmi_shared_bo,
+			&psp->xgmi_context.xgmi_shared_mc_addr,
+			&psp->xgmi_context.xgmi_shared_buf);
+
+	return 0;
+}
+
+int psp_xgmi_initialize(struct psp_context *psp)
+{
+	struct ta_xgmi_shared_memory *xgmi_cmd;
+	int ret;
+
+	if (!psp->adev->psp.ta_fw ||
+	    !psp->adev->psp.ta_xgmi_ucode_size ||
+	    !psp->adev->psp.ta_xgmi_start_addr)
+		return -ENOENT;
+
+	if (!psp->xgmi_context.initialized) {
+		ret = psp_xgmi_init_shared_buf(psp);
+		if (ret)
+			return ret;
+	}
+
+	/* Load XGMI TA */
+	ret = psp_xgmi_load(psp);
+	if (ret)
+		return ret;
+
+	/* Initialize XGMI session */
+	xgmi_cmd = (struct ta_xgmi_shared_memory *)(psp->xgmi_context.xgmi_shared_buf);
+	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
+	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__INITIALIZE;
+
+	ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
+
+	return ret;
+}
+
+int psp_xgmi_get_hive_id(struct psp_context *psp, uint64_t *hive_id)
+{
+	struct ta_xgmi_shared_memory *xgmi_cmd;
+	int ret;
+
+	xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
+	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
+
+	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_HIVE_ID;
+
+	/* Invoke xgmi ta to get hive id */
+	ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
+	if (ret)
+		return ret;
+
+	*hive_id = xgmi_cmd->xgmi_out_message.get_hive_id.hive_id;
+
+	return 0;
+}
+
+int psp_xgmi_get_node_id(struct psp_context *psp, uint64_t *node_id)
+{
+	struct ta_xgmi_shared_memory *xgmi_cmd;
+	int ret;
+
+	xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
+	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
+
+	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_NODE_ID;
+
+	/* Invoke xgmi ta to get the node id */
+	ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
+	if (ret)
+		return ret;
+
+	*node_id = xgmi_cmd->xgmi_out_message.get_node_id.node_id;
+
+	return 0;
+}
+
+int psp_xgmi_get_topology_info(struct psp_context *psp,
+			       int number_devices,
+			       struct psp_xgmi_topology_info *topology)
+{
+	struct ta_xgmi_shared_memory *xgmi_cmd;
+	struct ta_xgmi_cmd_get_topology_info_input *topology_info_input;
+	struct ta_xgmi_cmd_get_topology_info_output *topology_info_output;
+	int i;
+	int ret;
+
+	if (!topology || topology->num_nodes > TA_XGMI__MAX_CONNECTED_NODES)
+		return -EINVAL;
+
+	xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
+	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
+
+	/* Fill in the shared memory with topology information as input */
+	topology_info_input = &xgmi_cmd->xgmi_in_message.get_topology_info;
+	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_GET_TOPOLOGY_INFO;
+	topology_info_input->num_nodes = number_devices;
+
+	for (i = 0; i < topology_info_input->num_nodes; i++) {
+		topology_info_input->nodes[i].node_id = topology->nodes[i].node_id;
+		topology_info_input->nodes[i].num_hops = topology->nodes[i].num_hops;
+		topology_info_input->nodes[i].is_sharing_enabled = topology->nodes[i].is_sharing_enabled;
+		topology_info_input->nodes[i].sdma_engine = topology->nodes[i].sdma_engine;
+	}
+
+	/* Invoke xgmi ta to get the topology information */
+	ret = psp_xgmi_invoke(psp, TA_COMMAND_XGMI__GET_GET_TOPOLOGY_INFO);
+	if (ret)
+		return ret;
+
+	/* Read the output topology information from the shared memory */
+	topology_info_output = &xgmi_cmd->xgmi_out_message.get_topology_info;
+	topology->num_nodes = xgmi_cmd->xgmi_out_message.get_topology_info.num_nodes;
+	for (i = 0; i < topology->num_nodes; i++) {
+		topology->nodes[i].node_id = topology_info_output->nodes[i].node_id;
+		topology->nodes[i].num_hops = topology_info_output->nodes[i].num_hops;
+		topology->nodes[i].is_sharing_enabled = topology_info_output->nodes[i].is_sharing_enabled;
+		topology->nodes[i].sdma_engine = topology_info_output->nodes[i].sdma_engine;
+	}
+
+	return 0;
+}
+
+int psp_xgmi_set_topology_info(struct psp_context *psp,
+			       int number_devices,
+			       struct psp_xgmi_topology_info *topology)
+{
+	struct ta_xgmi_shared_memory *xgmi_cmd;
+	struct ta_xgmi_cmd_get_topology_info_input *topology_info_input;
+	int i;
+
+	if (!topology || topology->num_nodes > TA_XGMI__MAX_CONNECTED_NODES)
+		return -EINVAL;
+
+	xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf;
+	memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
+
+	topology_info_input = &xgmi_cmd->xgmi_in_message.get_topology_info;
+	xgmi_cmd->cmd_id = TA_COMMAND_XGMI__SET_TOPOLOGY_INFO;
+	topology_info_input->num_nodes = number_devices;
+
+	for (i = 0; i < topology_info_input->num_nodes; i++) {
+		topology_info_input->nodes[i].node_id = topology->nodes[i].node_id;
+		topology_info_input->nodes[i].num_hops = topology->nodes[i].num_hops;
+		topology_info_input->nodes[i].is_sharing_enabled = 1;
+		topology_info_input->nodes[i].sdma_engine = topology->nodes[i].sdma_engine;
+	}
+
+	/* Invoke xgmi ta to set topology information */
+	return psp_xgmi_invoke(psp, TA_COMMAND_XGMI__SET_TOPOLOGY_INFO);
+}
+
+// ras begin
+static int psp_ras_init_shared_buf(struct psp_context *psp)
+{
+	int ret;
+
+	/*
+	 * Allocate 16k memory aligned to 4k from Frame Buffer (local
+	 * physical) for ras ta <-> Driver
+	 */
+	ret = amdgpu_bo_create_kernel(psp->adev, PSP_RAS_SHARED_MEM_SIZE,
+			PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
+			&psp->ras.ras_shared_bo,
+			&psp->ras.ras_shared_mc_addr,
+			&psp->ras.ras_shared_buf);
+
+	return ret;
+}
+
+static int psp_ras_load(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+	struct ta_ras_shared_memory *ras_cmd;
+
+	/*
+	 * TODO: bypass the loading in sriov for now
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
+	memcpy(psp->fw_pri_buf, psp->ta_ras_start_addr, psp->ta_ras_ucode_size);
+
+	psp_prep_ta_load_cmd_buf(cmd,
+				 psp->fw_pri_mc_addr,
+				 psp->ta_ras_ucode_size,
+				 psp->ras.ras_shared_mc_addr,
+				 PSP_RAS_SHARED_MEM_SIZE);
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd,
+			psp->fence_buf_mc_addr);
+
+	ras_cmd = (struct ta_ras_shared_memory*)psp->ras.ras_shared_buf;
+
+	if (!ret) {
+		psp->ras.session_id = cmd->resp.session_id;
+
+		if (!ras_cmd->ras_status)
+			psp->ras.ras_initialized = true;
+		else
+			dev_warn(psp->adev->dev, "RAS Init Status: 0x%X\n", ras_cmd->ras_status);
+	}
+
+	if (ret || ras_cmd->ras_status)
+		amdgpu_ras_fini(psp->adev);
+
+	kfree(cmd);
+
+	return ret;
+}
+
+static int psp_ras_unload(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	/*
+	 * TODO: bypass the unloading in sriov for now
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	psp_prep_ta_unload_cmd_buf(cmd, psp->ras.session_id);
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd,
+			psp->fence_buf_mc_addr);
+
+	kfree(cmd);
+
+	return ret;
+}
+
+int psp_ras_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
+{
+	struct ta_ras_shared_memory *ras_cmd;
+	int ret;
+
+	ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
+
+	/*
+	 * TODO: bypass the loading in sriov for now
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	ret = psp_ta_invoke(psp, ta_cmd_id, psp->ras.session_id);
+
+	if (amdgpu_ras_intr_triggered())
+		return ret;
+
+	if (ras_cmd->if_version > RAS_TA_HOST_IF_VER)
+	{
+		DRM_WARN("RAS: Unsupported Interface");
+		return -EINVAL;
+	}
+
+	if (!ret) {
+		if (ras_cmd->ras_out_message.flags.err_inject_switch_disable_flag) {
+			dev_warn(psp->adev->dev, "ECC switch disabled\n");
+
+			ras_cmd->ras_status = TA_RAS_STATUS__ERROR_RAS_NOT_AVAILABLE;
+		}
+		else if (ras_cmd->ras_out_message.flags.reg_access_failure_flag)
+			dev_warn(psp->adev->dev,
+				 "RAS internal register access blocked\n");
+	}
+
+	return ret;
+}
+
+int psp_ras_enable_features(struct psp_context *psp,
+		union ta_ras_cmd_input *info, bool enable)
+{
+	struct ta_ras_shared_memory *ras_cmd;
+	int ret;
+
+	if (!psp->ras.ras_initialized)
+		return -EINVAL;
+
+	ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
+	memset(ras_cmd, 0, sizeof(struct ta_ras_shared_memory));
+
+	if (enable)
+		ras_cmd->cmd_id = TA_RAS_COMMAND__ENABLE_FEATURES;
+	else
+		ras_cmd->cmd_id = TA_RAS_COMMAND__DISABLE_FEATURES;
+
+	ras_cmd->ras_in_message = *info;
+
+	ret = psp_ras_invoke(psp, ras_cmd->cmd_id);
+	if (ret)
+		return -EINVAL;
+
+	return ras_cmd->ras_status;
+}
+
+static int psp_ras_terminate(struct psp_context *psp)
+{
+	int ret;
+
+	/*
+	 * TODO: bypass the terminate in sriov for now
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	if (!psp->ras.ras_initialized)
+		return 0;
+
+	ret = psp_ras_unload(psp);
+	if (ret)
+		return ret;
+
+	psp->ras.ras_initialized = false;
+
+	/* free ras shared memory */
+	amdgpu_bo_free_kernel(&psp->ras.ras_shared_bo,
+			&psp->ras.ras_shared_mc_addr,
+			&psp->ras.ras_shared_buf);
+
+	return 0;
+}
+
+static int psp_ras_initialize(struct psp_context *psp)
+{
+	int ret;
+
+	/*
+	 * TODO: bypass the initialize in sriov for now
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	if (!psp->adev->psp.ta_ras_ucode_size ||
+	    !psp->adev->psp.ta_ras_start_addr) {
+		dev_info(psp->adev->dev, "RAS: optional ras ta ucode is not available\n");
+		return 0;
+	}
+
+	if (!psp->ras.ras_initialized) {
+		ret = psp_ras_init_shared_buf(psp);
+		if (ret)
+			return ret;
+	}
+
+	ret = psp_ras_load(psp);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+int psp_ras_trigger_error(struct psp_context *psp,
+			  struct ta_ras_trigger_error_input *info)
+{
+	struct ta_ras_shared_memory *ras_cmd;
+	int ret;
+
+	if (!psp->ras.ras_initialized)
+		return -EINVAL;
+
+	ras_cmd = (struct ta_ras_shared_memory *)psp->ras.ras_shared_buf;
+	memset(ras_cmd, 0, sizeof(struct ta_ras_shared_memory));
+
+	ras_cmd->cmd_id = TA_RAS_COMMAND__TRIGGER_ERROR;
+	ras_cmd->ras_in_message.trigger_error = *info;
+
+	ret = psp_ras_invoke(psp, ras_cmd->cmd_id);
+	if (ret)
+		return -EINVAL;
+
+	/* If err_event_athub occurs error inject was successful, however
+	   return status from TA is no long reliable */
+	if (amdgpu_ras_intr_triggered())
+		return 0;
+
+	return ras_cmd->ras_status;
+}
+// ras end
+
+// HDCP start
+static int psp_hdcp_init_shared_buf(struct psp_context *psp)
+{
+	int ret;
+
+	/*
+	 * Allocate 16k memory aligned to 4k from Frame Buffer (local
+	 * physical) for hdcp ta <-> Driver
+	 */
+	ret = amdgpu_bo_create_kernel(psp->adev, PSP_HDCP_SHARED_MEM_SIZE,
+				      PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
+				      &psp->hdcp_context.hdcp_shared_bo,
+				      &psp->hdcp_context.hdcp_shared_mc_addr,
+				      &psp->hdcp_context.hdcp_shared_buf);
+
+	return ret;
+}
+
+static int psp_hdcp_load(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	/*
+	 * TODO: bypass the loading in sriov for now
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
+	memcpy(psp->fw_pri_buf, psp->ta_hdcp_start_addr,
+	       psp->ta_hdcp_ucode_size);
+
+	psp_prep_ta_load_cmd_buf(cmd,
+				 psp->fw_pri_mc_addr,
+				 psp->ta_hdcp_ucode_size,
+				 psp->hdcp_context.hdcp_shared_mc_addr,
+				 PSP_HDCP_SHARED_MEM_SIZE);
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
+
+	if (!ret) {
+		psp->hdcp_context.hdcp_initialized = true;
+		psp->hdcp_context.session_id = cmd->resp.session_id;
+		mutex_init(&psp->hdcp_context.mutex);
+	}
+
+	kfree(cmd);
+
+	return ret;
+}
+static int psp_hdcp_initialize(struct psp_context *psp)
+{
+	int ret;
+
+	/*
+	 * TODO: bypass the initialize in sriov for now
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	if (!psp->adev->psp.ta_hdcp_ucode_size ||
+	    !psp->adev->psp.ta_hdcp_start_addr) {
+		dev_info(psp->adev->dev, "HDCP: optional hdcp ta ucode is not available\n");
+		return 0;
+	}
+
+	if (!psp->hdcp_context.hdcp_initialized) {
+		ret = psp_hdcp_init_shared_buf(psp);
+		if (ret)
+			return ret;
+	}
+
+	ret = psp_hdcp_load(psp);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int psp_hdcp_unload(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	/*
+	 * TODO: bypass the unloading in sriov for now
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	psp_prep_ta_unload_cmd_buf(cmd, psp->hdcp_context.session_id);
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
+
+	kfree(cmd);
+
+	return ret;
+}
+
+int psp_hdcp_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
+{
+	/*
+	 * TODO: bypass the loading in sriov for now
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	return psp_ta_invoke(psp, ta_cmd_id, psp->hdcp_context.session_id);
+}
+
+static int psp_hdcp_terminate(struct psp_context *psp)
+{
+	int ret;
+
+	/*
+	 * TODO: bypass the terminate in sriov for now
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	if (!psp->hdcp_context.hdcp_initialized) {
+		if (psp->hdcp_context.hdcp_shared_buf)
+			goto out;
+		else
+			return 0;
+	}
+
+	ret = psp_hdcp_unload(psp);
+	if (ret)
+		return ret;
+
+	psp->hdcp_context.hdcp_initialized = false;
+
+out:
+	/* free hdcp shared memory */
+	amdgpu_bo_free_kernel(&psp->hdcp_context.hdcp_shared_bo,
+			      &psp->hdcp_context.hdcp_shared_mc_addr,
+			      &psp->hdcp_context.hdcp_shared_buf);
+
+	return 0;
+}
+// HDCP end
+
+// DTM start
+static int psp_dtm_init_shared_buf(struct psp_context *psp)
+{
+	int ret;
+
+	/*
+	 * Allocate 16k memory aligned to 4k from Frame Buffer (local
+	 * physical) for dtm ta <-> Driver
+	 */
+	ret = amdgpu_bo_create_kernel(psp->adev, PSP_DTM_SHARED_MEM_SIZE,
+				      PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
+				      &psp->dtm_context.dtm_shared_bo,
+				      &psp->dtm_context.dtm_shared_mc_addr,
+				      &psp->dtm_context.dtm_shared_buf);
+
+	return ret;
+}
+
+static int psp_dtm_load(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	/*
+	 * TODO: bypass the loading in sriov for now
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
+	memcpy(psp->fw_pri_buf, psp->ta_dtm_start_addr, psp->ta_dtm_ucode_size);
+
+	psp_prep_ta_load_cmd_buf(cmd,
+				 psp->fw_pri_mc_addr,
+				 psp->ta_dtm_ucode_size,
+				 psp->dtm_context.dtm_shared_mc_addr,
+				 PSP_DTM_SHARED_MEM_SIZE);
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
+
+	if (!ret) {
+		psp->dtm_context.dtm_initialized = true;
+		psp->dtm_context.session_id = cmd->resp.session_id;
+		mutex_init(&psp->dtm_context.mutex);
+	}
+
+	kfree(cmd);
+
+	return ret;
+}
+
+static int psp_dtm_initialize(struct psp_context *psp)
+{
+	int ret;
+
+	/*
+	 * TODO: bypass the initialize in sriov for now
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	if (!psp->adev->psp.ta_dtm_ucode_size ||
+	    !psp->adev->psp.ta_dtm_start_addr) {
+		dev_info(psp->adev->dev, "DTM: optional dtm ta ucode is not available\n");
+		return 0;
+	}
+
+	if (!psp->dtm_context.dtm_initialized) {
+		ret = psp_dtm_init_shared_buf(psp);
+		if (ret)
+			return ret;
+	}
+
+	ret = psp_dtm_load(psp);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int psp_dtm_unload(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	/*
+	 * TODO: bypass the unloading in sriov for now
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	psp_prep_ta_unload_cmd_buf(cmd, psp->dtm_context.session_id);
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
+
+	kfree(cmd);
+
+	return ret;
+}
+
+int psp_dtm_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
+{
+	/*
+	 * TODO: bypass the loading in sriov for now
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	return psp_ta_invoke(psp, ta_cmd_id, psp->dtm_context.session_id);
+}
+
+static int psp_dtm_terminate(struct psp_context *psp)
+{
+	int ret;
+
+	/*
+	 * TODO: bypass the terminate in sriov for now
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	if (!psp->dtm_context.dtm_initialized) {
+		if (psp->dtm_context.dtm_shared_buf)
+			goto out;
+		else
+			return 0;
+	}
+
+	ret = psp_dtm_unload(psp);
+	if (ret)
+		return ret;
+
+	psp->dtm_context.dtm_initialized = false;
+
+out:
+	/* free hdcp shared memory */
+	amdgpu_bo_free_kernel(&psp->dtm_context.dtm_shared_bo,
+			      &psp->dtm_context.dtm_shared_mc_addr,
+			      &psp->dtm_context.dtm_shared_buf);
+
+	return 0;
+}
+// DTM end
+
+// RAP start
+static int psp_rap_init_shared_buf(struct psp_context *psp)
+{
+	int ret;
+
+	/*
+	 * Allocate 16k memory aligned to 4k from Frame Buffer (local
+	 * physical) for rap ta <-> Driver
+	 */
+	ret = amdgpu_bo_create_kernel(psp->adev, PSP_RAP_SHARED_MEM_SIZE,
+				      PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
+				      &psp->rap_context.rap_shared_bo,
+				      &psp->rap_context.rap_shared_mc_addr,
+				      &psp->rap_context.rap_shared_buf);
+
+	return ret;
+}
+
+static int psp_rap_load(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	memset(psp->fw_pri_buf, 0, PSP_1_MEG);
+	memcpy(psp->fw_pri_buf, psp->ta_rap_start_addr, psp->ta_rap_ucode_size);
+
+	psp_prep_ta_load_cmd_buf(cmd,
+				 psp->fw_pri_mc_addr,
+				 psp->ta_rap_ucode_size,
+				 psp->rap_context.rap_shared_mc_addr,
+				 PSP_RAP_SHARED_MEM_SIZE);
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
+
+	if (!ret) {
+		psp->rap_context.rap_initialized = true;
+		psp->rap_context.session_id = cmd->resp.session_id;
+		mutex_init(&psp->rap_context.mutex);
+	}
+
+	kfree(cmd);
+
+	return ret;
+}
+
+static int psp_rap_unload(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	psp_prep_ta_unload_cmd_buf(cmd, psp->rap_context.session_id);
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr);
+
+	kfree(cmd);
+
+	return ret;
+}
+
+static int psp_rap_initialize(struct psp_context *psp)
+{
+	int ret;
+
+	/*
+	 * TODO: bypass the initialize in sriov for now
+	 */
+	if (amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+	if (!psp->adev->psp.ta_rap_ucode_size ||
+	    !psp->adev->psp.ta_rap_start_addr) {
+		dev_info(psp->adev->dev, "RAP: optional rap ta ucode is not available\n");
+		return 0;
+	}
+
+	if (!psp->rap_context.rap_initialized) {
+		ret = psp_rap_init_shared_buf(psp);
+		if (ret)
+			return ret;
+	}
+
+	ret = psp_rap_load(psp);
+	if (ret)
+		return ret;
+
+	ret = psp_rap_invoke(psp, TA_CMD_RAP__INITIALIZE);
+	if (ret != TA_RAP_STATUS__SUCCESS) {
+		psp_rap_unload(psp);
+
+		amdgpu_bo_free_kernel(&psp->rap_context.rap_shared_bo,
+			      &psp->rap_context.rap_shared_mc_addr,
+			      &psp->rap_context.rap_shared_buf);
+
+		psp->rap_context.rap_initialized = false;
+
+		dev_warn(psp->adev->dev, "RAP TA initialize fail.\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int psp_rap_terminate(struct psp_context *psp)
+{
+	int ret;
+
+	if (!psp->rap_context.rap_initialized)
+		return 0;
+
+	ret = psp_rap_unload(psp);
+
+	psp->rap_context.rap_initialized = false;
+
+	/* free rap shared memory */
+	amdgpu_bo_free_kernel(&psp->rap_context.rap_shared_bo,
+			      &psp->rap_context.rap_shared_mc_addr,
+			      &psp->rap_context.rap_shared_buf);
+
+	return ret;
+}
+
+int psp_rap_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
+{
+	struct ta_rap_shared_memory *rap_cmd;
+	int ret;
+
+	if (!psp->rap_context.rap_initialized)
+		return -EINVAL;
+
+	if (ta_cmd_id != TA_CMD_RAP__INITIALIZE &&
+	    ta_cmd_id != TA_CMD_RAP__VALIDATE_L0)
+		return -EINVAL;
+
+	mutex_lock(&psp->rap_context.mutex);
+
+	rap_cmd = (struct ta_rap_shared_memory *)
+		  psp->rap_context.rap_shared_buf;
+	memset(rap_cmd, 0, sizeof(struct ta_rap_shared_memory));
+
+	rap_cmd->cmd_id = ta_cmd_id;
+	rap_cmd->validation_method_id = METHOD_A;
+
+	ret = psp_ta_invoke(psp, rap_cmd->cmd_id, psp->rap_context.session_id);
+	if (ret) {
+		mutex_unlock(&psp->rap_context.mutex);
+		return ret;
+	}
+
+	mutex_unlock(&psp->rap_context.mutex);
+
+	return rap_cmd->rap_status;
+}
+// RAP end
+
+static int psp_hw_start(struct psp_context *psp)
+{
+	struct amdgpu_device *adev = psp->adev;
+	int ret;
+
+	if (!amdgpu_sriov_vf(adev)) {
+		if (psp->kdb_bin_size &&
+		    (psp->funcs->bootloader_load_kdb != NULL)) {
+			ret = psp_bootloader_load_kdb(psp);
+			if (ret) {
+				DRM_ERROR("PSP load kdb failed!\n");
+				return ret;
+			}
+		}
+
+		if (psp->spl_bin_size) {
+			ret = psp_bootloader_load_spl(psp);
+			if (ret) {
+				DRM_ERROR("PSP load spl failed!\n");
+				return ret;
+			}
+		}
+
+		ret = psp_bootloader_load_sysdrv(psp);
+		if (ret) {
+			DRM_ERROR("PSP load sysdrv failed!\n");
+			return ret;
+		}
+
+		ret = psp_bootloader_load_sos(psp);
+		if (ret) {
+			DRM_ERROR("PSP load sos failed!\n");
+			return ret;
+		}
+	}
+
+	ret = psp_ring_create(psp, PSP_RING_TYPE__KM);
+	if (ret) {
+		DRM_ERROR("PSP create ring failed!\n");
+		return ret;
+	}
+
+	ret = psp_clear_vf_fw(psp);
+	if (ret) {
+		DRM_ERROR("PSP clear vf fw!\n");
+		return ret;
+	}
+
+	ret = psp_tmr_init(psp);
+	if (ret) {
+		DRM_ERROR("PSP tmr init failed!\n");
+		return ret;
+	}
+
+	/*
+	 * For ASICs with DF Cstate management centralized
+	 * to PMFW, TMR setup should be performed after PMFW
+	 * loaded and before other non-psp firmware loaded.
+	 */
+	if (psp->pmfw_centralized_cstate_management) {
+		ret = psp_load_smu_fw(psp);
+		if (ret)
+			return ret;
+	}
+
+	ret = psp_tmr_load(psp);
+	if (ret) {
+		DRM_ERROR("PSP load tmr failed!\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int psp_get_fw_type(struct amdgpu_firmware_info *ucode,
+			   enum psp_gfx_fw_type *type)
+{
+	switch (ucode->ucode_id) {
+	case AMDGPU_UCODE_ID_SDMA0:
+		*type = GFX_FW_TYPE_SDMA0;
+		break;
+	case AMDGPU_UCODE_ID_SDMA1:
+		*type = GFX_FW_TYPE_SDMA1;
+		break;
+	case AMDGPU_UCODE_ID_SDMA2:
+		*type = GFX_FW_TYPE_SDMA2;
+		break;
+	case AMDGPU_UCODE_ID_SDMA3:
+		*type = GFX_FW_TYPE_SDMA3;
+		break;
+	case AMDGPU_UCODE_ID_SDMA4:
+		*type = GFX_FW_TYPE_SDMA4;
+		break;
+	case AMDGPU_UCODE_ID_SDMA5:
+		*type = GFX_FW_TYPE_SDMA5;
+		break;
+	case AMDGPU_UCODE_ID_SDMA6:
+		*type = GFX_FW_TYPE_SDMA6;
+		break;
+	case AMDGPU_UCODE_ID_SDMA7:
+		*type = GFX_FW_TYPE_SDMA7;
+		break;
+	case AMDGPU_UCODE_ID_CP_MES:
+		*type = GFX_FW_TYPE_CP_MES;
+		break;
+	case AMDGPU_UCODE_ID_CP_MES_DATA:
+		*type = GFX_FW_TYPE_MES_STACK;
+		break;
+	case AMDGPU_UCODE_ID_CP_CE:
+		*type = GFX_FW_TYPE_CP_CE;
+		break;
+	case AMDGPU_UCODE_ID_CP_PFP:
+		*type = GFX_FW_TYPE_CP_PFP;
+		break;
+	case AMDGPU_UCODE_ID_CP_ME:
+		*type = GFX_FW_TYPE_CP_ME;
+		break;
+	case AMDGPU_UCODE_ID_CP_MEC1:
+		*type = GFX_FW_TYPE_CP_MEC;
+		break;
+	case AMDGPU_UCODE_ID_CP_MEC1_JT:
+		*type = GFX_FW_TYPE_CP_MEC_ME1;
+		break;
+	case AMDGPU_UCODE_ID_CP_MEC2:
+		*type = GFX_FW_TYPE_CP_MEC;
+		break;
+	case AMDGPU_UCODE_ID_CP_MEC2_JT:
+		*type = GFX_FW_TYPE_CP_MEC_ME2;
+		break;
+	case AMDGPU_UCODE_ID_RLC_G:
+		*type = GFX_FW_TYPE_RLC_G;
+		break;
+	case AMDGPU_UCODE_ID_RLC_RESTORE_LIST_CNTL:
+		*type = GFX_FW_TYPE_RLC_RESTORE_LIST_SRM_CNTL;
+		break;
+	case AMDGPU_UCODE_ID_RLC_RESTORE_LIST_GPM_MEM:
+		*type = GFX_FW_TYPE_RLC_RESTORE_LIST_GPM_MEM;
+		break;
+	case AMDGPU_UCODE_ID_RLC_RESTORE_LIST_SRM_MEM:
+		*type = GFX_FW_TYPE_RLC_RESTORE_LIST_SRM_MEM;
+		break;
+	case AMDGPU_UCODE_ID_RLC_IRAM:
+		*type = GFX_FW_TYPE_RLC_IRAM;
+		break;
+	case AMDGPU_UCODE_ID_RLC_DRAM:
+		*type = GFX_FW_TYPE_RLC_DRAM_BOOT;
+		break;
+	case AMDGPU_UCODE_ID_SMC:
+		*type = GFX_FW_TYPE_SMU;
+		break;
+	case AMDGPU_UCODE_ID_UVD:
+		*type = GFX_FW_TYPE_UVD;
+		break;
+	case AMDGPU_UCODE_ID_UVD1:
+		*type = GFX_FW_TYPE_UVD1;
+		break;
+	case AMDGPU_UCODE_ID_VCE:
+		*type = GFX_FW_TYPE_VCE;
+		break;
+	case AMDGPU_UCODE_ID_VCN:
+		*type = GFX_FW_TYPE_VCN;
+		break;
+	case AMDGPU_UCODE_ID_VCN1:
+		*type = GFX_FW_TYPE_VCN1;
+		break;
+	case AMDGPU_UCODE_ID_DMCU_ERAM:
+		*type = GFX_FW_TYPE_DMCU_ERAM;
+		break;
+	case AMDGPU_UCODE_ID_DMCU_INTV:
+		*type = GFX_FW_TYPE_DMCU_ISR;
+		break;
+	case AMDGPU_UCODE_ID_VCN0_RAM:
+		*type = GFX_FW_TYPE_VCN0_RAM;
+		break;
+	case AMDGPU_UCODE_ID_VCN1_RAM:
+		*type = GFX_FW_TYPE_VCN1_RAM;
+		break;
+	case AMDGPU_UCODE_ID_DMCUB:
+		*type = GFX_FW_TYPE_DMUB;
+		break;
+	case AMDGPU_UCODE_ID_MAXIMUM:
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void psp_print_fw_hdr(struct psp_context *psp,
+			     struct amdgpu_firmware_info *ucode)
+{
+	struct amdgpu_device *adev = psp->adev;
+	struct common_firmware_header *hdr;
+
+	switch (ucode->ucode_id) {
+	case AMDGPU_UCODE_ID_SDMA0:
+	case AMDGPU_UCODE_ID_SDMA1:
+	case AMDGPU_UCODE_ID_SDMA2:
+	case AMDGPU_UCODE_ID_SDMA3:
+	case AMDGPU_UCODE_ID_SDMA4:
+	case AMDGPU_UCODE_ID_SDMA5:
+	case AMDGPU_UCODE_ID_SDMA6:
+	case AMDGPU_UCODE_ID_SDMA7:
+		hdr = (struct common_firmware_header *)
+			adev->sdma.instance[ucode->ucode_id - AMDGPU_UCODE_ID_SDMA0].fw->data;
+		amdgpu_ucode_print_sdma_hdr(hdr);
+		break;
+	case AMDGPU_UCODE_ID_CP_CE:
+		hdr = (struct common_firmware_header *)adev->gfx.ce_fw->data;
+		amdgpu_ucode_print_gfx_hdr(hdr);
+		break;
+	case AMDGPU_UCODE_ID_CP_PFP:
+		hdr = (struct common_firmware_header *)adev->gfx.pfp_fw->data;
+		amdgpu_ucode_print_gfx_hdr(hdr);
+		break;
+	case AMDGPU_UCODE_ID_CP_ME:
+		hdr = (struct common_firmware_header *)adev->gfx.me_fw->data;
+		amdgpu_ucode_print_gfx_hdr(hdr);
+		break;
+	case AMDGPU_UCODE_ID_CP_MEC1:
+		hdr = (struct common_firmware_header *)adev->gfx.mec_fw->data;
+		amdgpu_ucode_print_gfx_hdr(hdr);
+		break;
+	case AMDGPU_UCODE_ID_RLC_G:
+		hdr = (struct common_firmware_header *)adev->gfx.rlc_fw->data;
+		amdgpu_ucode_print_rlc_hdr(hdr);
+		break;
+	case AMDGPU_UCODE_ID_SMC:
+		hdr = (struct common_firmware_header *)adev->pm.fw->data;
+		amdgpu_ucode_print_smc_hdr(hdr);
+		break;
+	default:
+		break;
+	}
+}
+
+static int psp_prep_load_ip_fw_cmd_buf(struct amdgpu_firmware_info *ucode,
+				       struct psp_gfx_cmd_resp *cmd)
+{
+	int ret;
+	uint64_t fw_mem_mc_addr = ucode->mc_addr;
+
+	memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
+
+	cmd->cmd_id = GFX_CMD_ID_LOAD_IP_FW;
+	cmd->cmd.cmd_load_ip_fw.fw_phy_addr_lo = lower_32_bits(fw_mem_mc_addr);
+	cmd->cmd.cmd_load_ip_fw.fw_phy_addr_hi = upper_32_bits(fw_mem_mc_addr);
+	cmd->cmd.cmd_load_ip_fw.fw_size = ucode->ucode_size;
+
+	ret = psp_get_fw_type(ucode, &cmd->cmd.cmd_load_ip_fw.fw_type);
+	if (ret)
+		DRM_ERROR("Unknown firmware type\n");
+
+	return ret;
+}
+
+static int psp_execute_np_fw_load(struct psp_context *psp,
+			          struct amdgpu_firmware_info *ucode)
+{
+	int ret = 0;
+
+	ret = psp_prep_load_ip_fw_cmd_buf(ucode, psp->cmd);
+	if (ret)
+		return ret;
+
+	ret = psp_cmd_submit_buf(psp, ucode, psp->cmd,
+				 psp->fence_buf_mc_addr);
+
+	return ret;
+}
+
+static int psp_load_smu_fw(struct psp_context *psp)
+{
+	int ret;
+	struct amdgpu_device* adev = psp->adev;
+	struct amdgpu_firmware_info *ucode =
+			&adev->firmware.ucode[AMDGPU_UCODE_ID_SMC];
+	struct amdgpu_ras *ras = psp->ras.ras;
+
+	if (!ucode->fw || amdgpu_sriov_vf(psp->adev))
+		return 0;
+
+
+	if (amdgpu_in_reset(adev) && ras && ras->supported) {
+		ret = amdgpu_dpm_set_mp1_state(adev, PP_MP1_STATE_UNLOAD);
+		if (ret) {
+			DRM_WARN("Failed to set MP1 state prepare for reload\n");
+		}
+	}
+
+	ret = psp_execute_np_fw_load(psp, ucode);
+
+	if (ret)
+		DRM_ERROR("PSP load smu failed!\n");
+
+	return ret;
+}
+
+static bool fw_load_skip_check(struct psp_context *psp,
+			       struct amdgpu_firmware_info *ucode)
+{
+	if (!ucode->fw || !ucode->ucode_size)
+		return true;
+
+	if (ucode->ucode_id == AMDGPU_UCODE_ID_SMC &&
+	    (psp_smu_reload_quirk(psp) ||
+	     psp->autoload_supported ||
+	     psp->pmfw_centralized_cstate_management))
+		return true;
+
+	if (amdgpu_sriov_vf(psp->adev) &&
+	   (ucode->ucode_id == AMDGPU_UCODE_ID_SDMA0
+	    || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA1
+	    || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA2
+	    || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA3
+	    || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA4
+	    || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA5
+	    || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA6
+	    || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA7
+	    || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_G
+	    || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_CNTL
+	    || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_GPM_MEM
+	    || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_RESTORE_LIST_SRM_MEM
+	    || ucode->ucode_id == AMDGPU_UCODE_ID_SMC))
+		/*skip ucode loading in SRIOV VF */
+		return true;
+
+	if (psp->autoload_supported &&
+	    (ucode->ucode_id == AMDGPU_UCODE_ID_CP_MEC1_JT ||
+	     ucode->ucode_id == AMDGPU_UCODE_ID_CP_MEC2_JT))
+		/* skip mec JT when autoload is enabled */
+		return true;
+
+	return false;
+}
+
+static int psp_np_fw_load(struct psp_context *psp)
+{
+	int i, ret;
+	struct amdgpu_firmware_info *ucode;
+	struct amdgpu_device* adev = psp->adev;
+
+	if (psp->autoload_supported &&
+	    !psp->pmfw_centralized_cstate_management) {
+		ret = psp_load_smu_fw(psp);
+		if (ret)
+			return ret;
+	}
+
+	for (i = 0; i < adev->firmware.max_ucodes; i++) {
+		ucode = &adev->firmware.ucode[i];
+
+		if (ucode->ucode_id == AMDGPU_UCODE_ID_SMC &&
+		    !fw_load_skip_check(psp, ucode)) {
+			ret = psp_load_smu_fw(psp);
+			if (ret)
+				return ret;
+			continue;
+		}
+
+		if (fw_load_skip_check(psp, ucode))
+			continue;
+
+		if (psp->autoload_supported &&
+		    (adev->asic_type == CHIP_SIENNA_CICHLID ||
+		     adev->asic_type == CHIP_NAVY_FLOUNDER) &&
+		    (ucode->ucode_id == AMDGPU_UCODE_ID_SDMA1 ||
+		     ucode->ucode_id == AMDGPU_UCODE_ID_SDMA2 ||
+		     ucode->ucode_id == AMDGPU_UCODE_ID_SDMA3))
+			/* PSP only receive one SDMA fw for sienna_cichlid,
+			 * as all four sdma fw are same */
+			continue;
+
+		psp_print_fw_hdr(psp, ucode);
+
+		ret = psp_execute_np_fw_load(psp, ucode);
+		if (ret)
+			return ret;
+
+		/* Start rlc autoload after psp recieved all the gfx firmware */
+		if (psp->autoload_supported && ucode->ucode_id == (amdgpu_sriov_vf(adev) ?
+		    AMDGPU_UCODE_ID_CP_MEC2 : AMDGPU_UCODE_ID_RLC_G)) {
+			ret = psp_rlc_autoload_start(psp);
+			if (ret) {
+				DRM_ERROR("Failed to start rlc autoload\n");
+				return ret;
+			}
+		}
+	}
+
+	return 0;
+}
+
+static int psp_load_fw(struct amdgpu_device *adev)
+{
+	int ret;
+	struct psp_context *psp = &adev->psp;
+
+	if (amdgpu_sriov_vf(adev) && amdgpu_in_reset(adev)) {
+		psp_ring_stop(psp, PSP_RING_TYPE__KM); /* should not destroy ring, only stop */
+		goto skip_memalloc;
+	}
+
+	psp->cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!psp->cmd)
+		return -ENOMEM;
+
+	ret = amdgpu_bo_create_kernel(adev, PSP_1_MEG, PSP_1_MEG,
+					AMDGPU_GEM_DOMAIN_GTT,
+					&psp->fw_pri_bo,
+					&psp->fw_pri_mc_addr,
+					&psp->fw_pri_buf);
+	if (ret)
+		goto failed;
+
+	ret = amdgpu_bo_create_kernel(adev, PSP_FENCE_BUFFER_SIZE, PAGE_SIZE,
+					AMDGPU_GEM_DOMAIN_VRAM,
+					&psp->fence_buf_bo,
+					&psp->fence_buf_mc_addr,
+					&psp->fence_buf);
+	if (ret)
+		goto failed;
+
+	ret = amdgpu_bo_create_kernel(adev, PSP_CMD_BUFFER_SIZE, PAGE_SIZE,
+				      AMDGPU_GEM_DOMAIN_VRAM,
+				      &psp->cmd_buf_bo, &psp->cmd_buf_mc_addr,
+				      (void **)&psp->cmd_buf_mem);
+	if (ret)
+		goto failed;
+
+	memset(psp->fence_buf, 0, PSP_FENCE_BUFFER_SIZE);
+
+	ret = psp_ring_init(psp, PSP_RING_TYPE__KM);
+	if (ret) {
+		DRM_ERROR("PSP ring init failed!\n");
+		goto failed;
+	}
+
+skip_memalloc:
+	ret = psp_hw_start(psp);
+	if (ret)
+		goto failed;
+
+	ret = psp_np_fw_load(psp);
+	if (ret)
+		goto failed;
+
+	ret = psp_asd_load(psp);
+	if (ret) {
+		DRM_ERROR("PSP load asd failed!\n");
+		return ret;
+	}
+
+	if (psp->adev->psp.ta_fw) {
+		ret = psp_ras_initialize(psp);
+		if (ret)
+			dev_err(psp->adev->dev,
+					"RAS: Failed to initialize RAS\n");
+
+		ret = psp_hdcp_initialize(psp);
+		if (ret)
+			dev_err(psp->adev->dev,
+				"HDCP: Failed to initialize HDCP\n");
+
+		ret = psp_dtm_initialize(psp);
+		if (ret)
+			dev_err(psp->adev->dev,
+				"DTM: Failed to initialize DTM\n");
+
+		ret = psp_rap_initialize(psp);
+		if (ret)
+			dev_err(psp->adev->dev,
+				"RAP: Failed to initialize RAP\n");
+	}
+
+	return 0;
+
+failed:
+	/*
+	 * all cleanup jobs (xgmi terminate, ras terminate,
+	 * ring destroy, cmd/fence/fw buffers destory,
+	 * psp->cmd destory) are delayed to psp_hw_fini
+	 */
+	return ret;
+}
+
+static int psp_hw_init(void *handle)
+{
+	int ret;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	mutex_lock(&adev->firmware.mutex);
+	/*
+	 * This sequence is just used on hw_init only once, no need on
+	 * resume.
+	 */
+	ret = amdgpu_ucode_init_bo(adev);
+	if (ret)
+		goto failed;
+
+	ret = psp_load_fw(adev);
+	if (ret) {
+		DRM_ERROR("PSP firmware loading failed\n");
+		goto failed;
+	}
+
+	mutex_unlock(&adev->firmware.mutex);
+	return 0;
+
+failed:
+	adev->firmware.load_type = AMDGPU_FW_LOAD_DIRECT;
+	mutex_unlock(&adev->firmware.mutex);
+	return -EINVAL;
+}
+
+static int psp_hw_fini(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	struct psp_context *psp = &adev->psp;
+	int ret;
+
+	if (psp->adev->psp.ta_fw) {
+		psp_ras_terminate(psp);
+		psp_rap_terminate(psp);
+		psp_dtm_terminate(psp);
+		psp_hdcp_terminate(psp);
+
+		if (adev->gmc.xgmi.num_physical_nodes > 1)
+			psp_xgmi_terminate(psp);
+	}
+
+	psp_asd_unload(psp);
+	ret = psp_clear_vf_fw(psp);
+	if (ret) {
+		DRM_ERROR("PSP clear vf fw!\n");
+		return ret;
+	}
+
+	psp_tmr_terminate(psp);
+	psp_ring_destroy(psp, PSP_RING_TYPE__KM);
+
+	amdgpu_bo_free_kernel(&psp->fw_pri_bo,
+			      &psp->fw_pri_mc_addr, &psp->fw_pri_buf);
+	amdgpu_bo_free_kernel(&psp->fence_buf_bo,
+			      &psp->fence_buf_mc_addr, &psp->fence_buf);
+	amdgpu_bo_free_kernel(&psp->cmd_buf_bo, &psp->cmd_buf_mc_addr,
+			      (void **)&psp->cmd_buf_mem);
+
+	kfree(psp->cmd);
+	psp->cmd = NULL;
+
+	return 0;
+}
+
+static int psp_suspend(void *handle)
+{
+	int ret;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	struct psp_context *psp = &adev->psp;
+
+	if (adev->gmc.xgmi.num_physical_nodes > 1 &&
+	    psp->xgmi_context.initialized == 1) {
+		ret = psp_xgmi_terminate(psp);
+		if (ret) {
+			DRM_ERROR("Failed to terminate xgmi ta\n");
+			return ret;
+		}
+	}
+
+	if (psp->adev->psp.ta_fw) {
+		ret = psp_ras_terminate(psp);
+		if (ret) {
+			DRM_ERROR("Failed to terminate ras ta\n");
+			return ret;
+		}
+		ret = psp_hdcp_terminate(psp);
+		if (ret) {
+			DRM_ERROR("Failed to terminate hdcp ta\n");
+			return ret;
+		}
+		ret = psp_dtm_terminate(psp);
+		if (ret) {
+			DRM_ERROR("Failed to terminate dtm ta\n");
+			return ret;
+		}
+		ret = psp_rap_terminate(psp);
+		if (ret) {
+			DRM_ERROR("Failed to terminate rap ta\n");
+			return ret;
+		}
+	}
+
+	ret = psp_asd_unload(psp);
+	if (ret) {
+		DRM_ERROR("Failed to unload asd\n");
+		return ret;
+	}
+
+	ret = psp_tmr_terminate(psp);
+	if (ret) {
+		DRM_ERROR("Failed to terminate tmr\n");
+		return ret;
+	}
+
+	ret = psp_ring_stop(psp, PSP_RING_TYPE__KM);
+	if (ret) {
+		DRM_ERROR("PSP ring stop failed\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int psp_resume(void *handle)
+{
+	int ret;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	struct psp_context *psp = &adev->psp;
+
+	DRM_INFO("PSP is resuming...\n");
+
+	ret = psp_mem_training(psp, PSP_MEM_TRAIN_RESUME);
+	if (ret) {
+		DRM_ERROR("Failed to process memory training!\n");
+		return ret;
+	}
+
+	mutex_lock(&adev->firmware.mutex);
+
+	ret = psp_hw_start(psp);
+	if (ret)
+		goto failed;
+
+	ret = psp_np_fw_load(psp);
+	if (ret)
+		goto failed;
+
+	ret = psp_asd_load(psp);
+	if (ret) {
+		DRM_ERROR("PSP load asd failed!\n");
+		goto failed;
+	}
+
+	if (adev->gmc.xgmi.num_physical_nodes > 1) {
+		ret = psp_xgmi_initialize(psp);
+		/* Warning the XGMI seesion initialize failure
+		 * Instead of stop driver initialization
+		 */
+		if (ret)
+			dev_err(psp->adev->dev,
+				"XGMI: Failed to initialize XGMI session\n");
+	}
+
+	if (psp->adev->psp.ta_fw) {
+		ret = psp_ras_initialize(psp);
+		if (ret)
+			dev_err(psp->adev->dev,
+					"RAS: Failed to initialize RAS\n");
+
+		ret = psp_hdcp_initialize(psp);
+		if (ret)
+			dev_err(psp->adev->dev,
+				"HDCP: Failed to initialize HDCP\n");
+
+		ret = psp_dtm_initialize(psp);
+		if (ret)
+			dev_err(psp->adev->dev,
+				"DTM: Failed to initialize DTM\n");
+
+		ret = psp_rap_initialize(psp);
+		if (ret)
+			dev_err(psp->adev->dev,
+				"RAP: Failed to initialize RAP\n");
+	}
+
+	mutex_unlock(&adev->firmware.mutex);
+
+	return 0;
+
+failed:
+	DRM_ERROR("PSP resume failed\n");
+	mutex_unlock(&adev->firmware.mutex);
+	return ret;
+}
+
+int psp_gpu_reset(struct amdgpu_device *adev)
+{
+	int ret;
+
+	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
+		return 0;
+
+	mutex_lock(&adev->psp.mutex);
+	ret = psp_mode1_reset(&adev->psp);
+	mutex_unlock(&adev->psp.mutex);
+
+	return ret;
+}
+
+int psp_rlc_autoload_start(struct psp_context *psp)
+{
+	int ret;
+	struct psp_gfx_cmd_resp *cmd;
+
+	cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
+	if (!cmd)
+		return -ENOMEM;
+
+	cmd->cmd_id = GFX_CMD_ID_AUTOLOAD_RLC;
+
+	ret = psp_cmd_submit_buf(psp, NULL, cmd,
+				 psp->fence_buf_mc_addr);
+	kfree(cmd);
+	return ret;
+}
+
+int psp_update_vcn_sram(struct amdgpu_device *adev, int inst_idx,
+			uint64_t cmd_gpu_addr, int cmd_size)
+{
+	struct amdgpu_firmware_info ucode = {0};
+
+	ucode.ucode_id = inst_idx ? AMDGPU_UCODE_ID_VCN1_RAM :
+		AMDGPU_UCODE_ID_VCN0_RAM;
+	ucode.mc_addr = cmd_gpu_addr;
+	ucode.ucode_size = cmd_size;
+
+	return psp_execute_np_fw_load(&adev->psp, &ucode);
+}
+
+int psp_ring_cmd_submit(struct psp_context *psp,
+			uint64_t cmd_buf_mc_addr,
+			uint64_t fence_mc_addr,
+			int index)
+{
+	unsigned int psp_write_ptr_reg = 0;
+	struct psp_gfx_rb_frame *write_frame;
+	struct psp_ring *ring = &psp->km_ring;
+	struct psp_gfx_rb_frame *ring_buffer_start = ring->ring_mem;
+	struct psp_gfx_rb_frame *ring_buffer_end = ring_buffer_start +
+		ring->ring_size / sizeof(struct psp_gfx_rb_frame) - 1;
+	struct amdgpu_device *adev = psp->adev;
+	uint32_t ring_size_dw = ring->ring_size / 4;
+	uint32_t rb_frame_size_dw = sizeof(struct psp_gfx_rb_frame) / 4;
+
+	/* KM (GPCOM) prepare write pointer */
+	psp_write_ptr_reg = psp_ring_get_wptr(psp);
+
+	/* Update KM RB frame pointer to new frame */
+	/* write_frame ptr increments by size of rb_frame in bytes */
+	/* psp_write_ptr_reg increments by size of rb_frame in DWORDs */
+	if ((psp_write_ptr_reg % ring_size_dw) == 0)
+		write_frame = ring_buffer_start;
+	else
+		write_frame = ring_buffer_start + (psp_write_ptr_reg / rb_frame_size_dw);
+	/* Check invalid write_frame ptr address */
+	if ((write_frame < ring_buffer_start) || (ring_buffer_end < write_frame)) {
+		DRM_ERROR("ring_buffer_start = %p; ring_buffer_end = %p; write_frame = %p\n",
+			  ring_buffer_start, ring_buffer_end, write_frame);
+		DRM_ERROR("write_frame is pointing to address out of bounds\n");
+		return -EINVAL;
+	}
+
+	/* Initialize KM RB frame */
+	memset(write_frame, 0, sizeof(struct psp_gfx_rb_frame));
+
+	/* Update KM RB frame */
+	write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr);
+	write_frame->cmd_buf_addr_lo = lower_32_bits(cmd_buf_mc_addr);
+	write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr);
+	write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr);
+	write_frame->fence_value = index;
+	amdgpu_asic_flush_hdp(adev, NULL);
+
+	/* Update the write Pointer in DWORDs */
+	psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw;
+	psp_ring_set_wptr(psp, psp_write_ptr_reg);
+	return 0;
+}
+
+int psp_init_asd_microcode(struct psp_context *psp,
+			   const char *chip_name)
+{
+	struct amdgpu_device *adev = psp->adev;
+	char fw_name[30];
+	const struct psp_firmware_header_v1_0 *asd_hdr;
+	int err = 0;
+
+	if (!chip_name) {
+		dev_err(adev->dev, "invalid chip name for asd microcode\n");
+		return -EINVAL;
+	}
+
+	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
+	err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
+	if (err)
+		goto out;
+
+	err = amdgpu_ucode_validate(adev->psp.asd_fw);
+	if (err)
+		goto out;
+
+	asd_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data;
+	adev->psp.asd_fw_version = le32_to_cpu(asd_hdr->header.ucode_version);
+	adev->psp.asd_feature_version = le32_to_cpu(asd_hdr->ucode_feature_version);
+	adev->psp.asd_ucode_size = le32_to_cpu(asd_hdr->header.ucode_size_bytes);
+	adev->psp.asd_start_addr = (uint8_t *)asd_hdr +
+				le32_to_cpu(asd_hdr->header.ucode_array_offset_bytes);
+	return 0;
+out:
+	dev_err(adev->dev, "fail to initialize asd microcode\n");
+	release_firmware(adev->psp.asd_fw);
+	adev->psp.asd_fw = NULL;
+	return err;
+}
+
+int psp_init_sos_microcode(struct psp_context *psp,
+			   const char *chip_name)
+{
+	struct amdgpu_device *adev = psp->adev;
+	char fw_name[30];
+	const struct psp_firmware_header_v1_0 *sos_hdr;
+	const struct psp_firmware_header_v1_1 *sos_hdr_v1_1;
+	const struct psp_firmware_header_v1_2 *sos_hdr_v1_2;
+	const struct psp_firmware_header_v1_3 *sos_hdr_v1_3;
+	int err = 0;
+
+	if (!chip_name) {
+		dev_err(adev->dev, "invalid chip name for sos microcode\n");
+		return -EINVAL;
+	}
+
+	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sos.bin", chip_name);
+	err = request_firmware(&adev->psp.sos_fw, fw_name, adev->dev);
+	if (err)
+		goto out;
+
+	err = amdgpu_ucode_validate(adev->psp.sos_fw);
+	if (err)
+		goto out;
+
+	sos_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.sos_fw->data;
+	amdgpu_ucode_print_psp_hdr(&sos_hdr->header);
+
+	switch (sos_hdr->header.header_version_major) {
+	case 1:
+		adev->psp.sos_fw_version = le32_to_cpu(sos_hdr->header.ucode_version);
+		adev->psp.sos_feature_version = le32_to_cpu(sos_hdr->ucode_feature_version);
+		adev->psp.sos_bin_size = le32_to_cpu(sos_hdr->sos_size_bytes);
+		adev->psp.sys_bin_size = le32_to_cpu(sos_hdr->sos_offset_bytes);
+		adev->psp.sys_start_addr = (uint8_t *)sos_hdr +
+				le32_to_cpu(sos_hdr->header.ucode_array_offset_bytes);
+		adev->psp.sos_start_addr = (uint8_t *)adev->psp.sys_start_addr +
+				le32_to_cpu(sos_hdr->sos_offset_bytes);
+		if (sos_hdr->header.header_version_minor == 1) {
+			sos_hdr_v1_1 = (const struct psp_firmware_header_v1_1 *)adev->psp.sos_fw->data;
+			adev->psp.toc_bin_size = le32_to_cpu(sos_hdr_v1_1->toc_size_bytes);
+			adev->psp.toc_start_addr = (uint8_t *)adev->psp.sys_start_addr +
+					le32_to_cpu(sos_hdr_v1_1->toc_offset_bytes);
+			adev->psp.kdb_bin_size = le32_to_cpu(sos_hdr_v1_1->kdb_size_bytes);
+			adev->psp.kdb_start_addr = (uint8_t *)adev->psp.sys_start_addr +
+					le32_to_cpu(sos_hdr_v1_1->kdb_offset_bytes);
+		}
+		if (sos_hdr->header.header_version_minor == 2) {
+			sos_hdr_v1_2 = (const struct psp_firmware_header_v1_2 *)adev->psp.sos_fw->data;
+			adev->psp.kdb_bin_size = le32_to_cpu(sos_hdr_v1_2->kdb_size_bytes);
+			adev->psp.kdb_start_addr = (uint8_t *)adev->psp.sys_start_addr +
+						    le32_to_cpu(sos_hdr_v1_2->kdb_offset_bytes);
+		}
+		if (sos_hdr->header.header_version_minor == 3) {
+			sos_hdr_v1_3 = (const struct psp_firmware_header_v1_3 *)adev->psp.sos_fw->data;
+			adev->psp.toc_bin_size = le32_to_cpu(sos_hdr_v1_3->v1_1.toc_size_bytes);
+			adev->psp.toc_start_addr = (uint8_t *)adev->psp.sys_start_addr +
+				le32_to_cpu(sos_hdr_v1_3->v1_1.toc_offset_bytes);
+			adev->psp.kdb_bin_size = le32_to_cpu(sos_hdr_v1_3->v1_1.kdb_size_bytes);
+			adev->psp.kdb_start_addr = (uint8_t *)adev->psp.sys_start_addr +
+				le32_to_cpu(sos_hdr_v1_3->v1_1.kdb_offset_bytes);
+			adev->psp.spl_bin_size = le32_to_cpu(sos_hdr_v1_3->spl_size_bytes);
+			adev->psp.spl_start_addr = (uint8_t *)adev->psp.sys_start_addr +
+				le32_to_cpu(sos_hdr_v1_3->spl_offset_bytes);
+		}
+		break;
+	default:
+		dev_err(adev->dev,
+			"unsupported psp sos firmware\n");
+		err = -EINVAL;
+		goto out;
+	}
+
+	return 0;
+out:
+	dev_err(adev->dev,
+		"failed to init sos firmware\n");
+	release_firmware(adev->psp.sos_fw);
+	adev->psp.sos_fw = NULL;
+
+	return err;
+}
+
+int parse_ta_bin_descriptor(struct psp_context *psp,
+			    const struct ta_fw_bin_desc *desc,
+			    const struct ta_firmware_header_v2_0 *ta_hdr)
+{
+	uint8_t *ucode_start_addr  = NULL;
+
+	if (!psp || !desc || !ta_hdr)
+		return -EINVAL;
+
+	ucode_start_addr  = (uint8_t *)ta_hdr +
+			    le32_to_cpu(desc->offset_bytes) +
+			    le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
+
+	switch (desc->fw_type) {
+	case TA_FW_TYPE_PSP_ASD:
+		psp->asd_fw_version 	   = le32_to_cpu(desc->fw_version);
+		psp->asd_feature_version   = le32_to_cpu(desc->fw_version);
+		psp->asd_ucode_size 	   = le32_to_cpu(desc->size_bytes);
+		psp->asd_start_addr 	   = ucode_start_addr;
+		psp->asd_fw                = psp->ta_fw;
+		break;
+	case TA_FW_TYPE_PSP_XGMI:
+		psp->ta_xgmi_ucode_version = le32_to_cpu(desc->fw_version);
+		psp->ta_xgmi_ucode_size    = le32_to_cpu(desc->size_bytes);
+		psp->ta_xgmi_start_addr    = ucode_start_addr;
+		break;
+	case TA_FW_TYPE_PSP_RAS:
+		psp->ta_ras_ucode_version  = le32_to_cpu(desc->fw_version);
+		psp->ta_ras_ucode_size     = le32_to_cpu(desc->size_bytes);
+		psp->ta_ras_start_addr     = ucode_start_addr;
+		break;
+	case TA_FW_TYPE_PSP_HDCP:
+		psp->ta_hdcp_ucode_version = le32_to_cpu(desc->fw_version);
+		psp->ta_hdcp_ucode_size    = le32_to_cpu(desc->size_bytes);
+		psp->ta_hdcp_start_addr    = ucode_start_addr;
+		break;
+	case TA_FW_TYPE_PSP_DTM:
+		psp->ta_dtm_ucode_version  = le32_to_cpu(desc->fw_version);
+		psp->ta_dtm_ucode_size     = le32_to_cpu(desc->size_bytes);
+		psp->ta_dtm_start_addr     = ucode_start_addr;
+		break;
+	case TA_FW_TYPE_PSP_RAP:
+		psp->ta_rap_ucode_version  = le32_to_cpu(desc->fw_version);
+		psp->ta_rap_ucode_size     = le32_to_cpu(desc->size_bytes);
+		psp->ta_rap_start_addr     = ucode_start_addr;
+		break;
+	default:
+		dev_warn(psp->adev->dev, "Unsupported TA type: %d\n", desc->fw_type);
+		break;
+	}
+
+	return 0;
+}
+
+int psp_init_ta_microcode(struct psp_context *psp,
+			  const char *chip_name)
+{
+	struct amdgpu_device *adev = psp->adev;
+	char fw_name[30];
+	const struct ta_firmware_header_v2_0 *ta_hdr;
+	int err = 0;
+	int ta_index = 0;
+
+	if (!chip_name) {
+		dev_err(adev->dev, "invalid chip name for ta microcode\n");
+		return -EINVAL;
+	}
+
+	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
+	err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);
+	if (err)
+		goto out;
+
+	err = amdgpu_ucode_validate(adev->psp.ta_fw);
+	if (err)
+		goto out;
+
+	ta_hdr = (const struct ta_firmware_header_v2_0 *)adev->psp.ta_fw->data;
+
+	if (le16_to_cpu(ta_hdr->header.header_version_major) != 2) {
+		dev_err(adev->dev, "unsupported TA header version\n");
+		err = -EINVAL;
+		goto out;
+	}
+
+	if (le32_to_cpu(ta_hdr->ta_fw_bin_count) >= UCODE_MAX_TA_PACKAGING) {
+		dev_err(adev->dev, "packed TA count exceeds maximum limit\n");
+		err = -EINVAL;
+		goto out;
+	}
+
+	for (ta_index = 0; ta_index < le32_to_cpu(ta_hdr->ta_fw_bin_count); ta_index++) {
+		err = parse_ta_bin_descriptor(psp,
+					      &ta_hdr->ta_fw_bin[ta_index],
+					      ta_hdr);
+		if (err)
+			goto out;
+	}
+
+	return 0;
+out:
+	dev_err(adev->dev, "fail to initialize ta microcode\n");
+	release_firmware(adev->psp.ta_fw);
+	adev->psp.ta_fw = NULL;
+	return err;
+}
+
+static int psp_set_clockgating_state(void *handle,
+				     enum amd_clockgating_state state)
+{
+	return 0;
+}
+
+static int psp_set_powergating_state(void *handle,
+				     enum amd_powergating_state state)
+{
+	return 0;
+}
+
+static ssize_t psp_usbc_pd_fw_sysfs_read(struct device *dev,
+					 struct device_attribute *attr,
+					 char *buf)
+{
+	struct drm_device *ddev = dev_get_drvdata(dev);
+	struct amdgpu_device *adev = drm_to_adev(ddev);
+	uint32_t fw_ver;
+	int ret;
+
+	if (!adev->ip_blocks[AMD_IP_BLOCK_TYPE_PSP].status.late_initialized) {
+		DRM_INFO("PSP block is not ready yet.");
+		return -EBUSY;
+	}
+
+	mutex_lock(&adev->psp.mutex);
+	ret = psp_read_usbc_pd_fw(&adev->psp, &fw_ver);
+	mutex_unlock(&adev->psp.mutex);
+
+	if (ret) {
+		DRM_ERROR("Failed to read USBC PD FW, err = %d", ret);
+		return ret;
+	}
+
+	return snprintf(buf, PAGE_SIZE, "%x\n", fw_ver);
+}
+
+static ssize_t psp_usbc_pd_fw_sysfs_write(struct device *dev,
+						       struct device_attribute *attr,
+						       const char *buf,
+						       size_t count)
+{
+	struct drm_device *ddev = dev_get_drvdata(dev);
+	struct amdgpu_device *adev = drm_to_adev(ddev);
+	void *cpu_addr;
+	dma_addr_t dma_addr;
+	int ret;
+	char fw_name[100];
+	const struct firmware *usbc_pd_fw;
+
+	if (!adev->ip_blocks[AMD_IP_BLOCK_TYPE_PSP].status.late_initialized) {
+		DRM_INFO("PSP block is not ready yet.");
+		return -EBUSY;
+	}
+
+	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s", buf);
+	ret = request_firmware(&usbc_pd_fw, fw_name, adev->dev);
+	if (ret)
+		goto fail;
+
+	/* We need contiguous physical mem to place the FW  for psp to access */
+	cpu_addr = dma_alloc_coherent(adev->dev, usbc_pd_fw->size, &dma_addr, GFP_KERNEL);
+
+	ret = dma_mapping_error(adev->dev, dma_addr);
+	if (ret)
+		goto rel_buf;
+
+	memcpy_toio(cpu_addr, usbc_pd_fw->data, usbc_pd_fw->size);
+
+	/*
+	 * x86 specific workaround.
+	 * Without it the buffer is invisible in PSP.
+	 *
+	 * TODO Remove once PSP starts snooping CPU cache
+	 */
+#ifdef CONFIG_X86
+	clflush_cache_range(cpu_addr, (usbc_pd_fw->size & ~(L1_CACHE_BYTES - 1)));
+#endif
+
+	mutex_lock(&adev->psp.mutex);
+	ret = psp_load_usbc_pd_fw(&adev->psp, dma_addr);
+	mutex_unlock(&adev->psp.mutex);
+
+rel_buf:
+	dma_free_coherent(adev->dev, usbc_pd_fw->size, cpu_addr, dma_addr);
+	release_firmware(usbc_pd_fw);
+
+fail:
+	if (ret) {
+		DRM_ERROR("Failed to load USBC PD FW, err = %d", ret);
+		return ret;
+	}
+
+	return count;
+}
+
+static DEVICE_ATTR(usbc_pd_fw, S_IRUGO | S_IWUSR,
+		   psp_usbc_pd_fw_sysfs_read,
+		   psp_usbc_pd_fw_sysfs_write);
+
+
+
+const struct amd_ip_funcs psp_ip_funcs = {
+	.name = "psp",
+	.early_init = psp_early_init,
+	.late_init = NULL,
+	.sw_init = psp_sw_init,
+	.sw_fini = psp_sw_fini,
+	.hw_init = psp_hw_init,
+	.hw_fini = psp_hw_fini,
+	.suspend = psp_suspend,
+	.resume = psp_resume,
+	.is_idle = NULL,
+	.check_soft_reset = NULL,
+	.wait_for_idle = NULL,
+	.soft_reset = NULL,
+	.set_clockgating_state = psp_set_clockgating_state,
+	.set_powergating_state = psp_set_powergating_state,
+};
+
+static int psp_sysfs_init(struct amdgpu_device *adev)
+{
+	int ret = device_create_file(adev->dev, &dev_attr_usbc_pd_fw);
+
+	if (ret)
+		DRM_ERROR("Failed to create USBC PD FW control file!");
+
+	return ret;
+}
+
+static void psp_sysfs_fini(struct amdgpu_device *adev)
+{
+	device_remove_file(adev->dev, &dev_attr_usbc_pd_fw);
+}
+
+const struct amdgpu_ip_block_version psp_v3_1_ip_block =
+{
+	.type = AMD_IP_BLOCK_TYPE_PSP,
+	.major = 3,
+	.minor = 1,
+	.rev = 0,
+	.funcs = &psp_ip_funcs,
+};
+
+const struct amdgpu_ip_block_version psp_v10_0_ip_block =
+{
+	.type = AMD_IP_BLOCK_TYPE_PSP,
+	.major = 10,
+	.minor = 0,
+	.rev = 0,
+	.funcs = &psp_ip_funcs,
+};
+
+const struct amdgpu_ip_block_version psp_v11_0_ip_block =
+{
+	.type = AMD_IP_BLOCK_TYPE_PSP,
+	.major = 11,
+	.minor = 0,
+	.rev = 0,
+	.funcs = &psp_ip_funcs,
+};
+
+const struct amdgpu_ip_block_version psp_v12_0_ip_block =
+{
+	.type = AMD_IP_BLOCK_TYPE_PSP,
+	.major = 12,
+	.minor = 0,
+	.rev = 0,
+	.funcs = &psp_ip_funcs,
+};