Adding upstream version 5.10.209.upstream/5.10.209

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

1 files changed, 1847 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
new file mode 100644
index 000000000..381839d00
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
@@ -0,0 +1,1847 @@
+/*
+ * Copyright 2019 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 <drm/drm_drv.h>
+
+#include "amdgpu.h"
+#include "amdgpu_vcn.h"
+#include "amdgpu_pm.h"
+#include "soc15.h"
+#include "soc15d.h"
+#include "vcn_v2_0.h"
+#include "mmsch_v1_0.h"
+
+#include "vcn/vcn_2_5_offset.h"
+#include "vcn/vcn_2_5_sh_mask.h"
+#include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
+
+#define mmUVD_CONTEXT_ID_INTERNAL_OFFSET			0x27
+#define mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET			0x0f
+#define mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET			0x10
+#define mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET			0x11
+#define mmUVD_NO_OP_INTERNAL_OFFSET				0x29
+#define mmUVD_GP_SCRATCH8_INTERNAL_OFFSET			0x66
+#define mmUVD_SCRATCH9_INTERNAL_OFFSET				0xc01d
+
+#define mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET			0x431
+#define mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET		0x3b4
+#define mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET 	0x3b5
+#define mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET			0x25c
+
+#define VCN25_MAX_HW_INSTANCES_ARCTURUS			2
+
+static void vcn_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev);
+static void vcn_v2_5_set_enc_ring_funcs(struct amdgpu_device *adev);
+static void vcn_v2_5_set_irq_funcs(struct amdgpu_device *adev);
+static int vcn_v2_5_set_powergating_state(void *handle,
+				enum amd_powergating_state state);
+static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
+				int inst_idx, struct dpg_pause_state *new_state);
+static int vcn_v2_5_sriov_start(struct amdgpu_device *adev);
+
+static int amdgpu_ih_clientid_vcns[] = {
+	SOC15_IH_CLIENTID_VCN,
+	SOC15_IH_CLIENTID_VCN1
+};
+
+/**
+ * vcn_v2_5_early_init - set function pointers
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * Set ring and irq function pointers
+ */
+static int vcn_v2_5_early_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	if (amdgpu_sriov_vf(adev)) {
+		adev->vcn.num_vcn_inst = 2;
+		adev->vcn.harvest_config = 0;
+		adev->vcn.num_enc_rings = 1;
+	} else {
+		u32 harvest;
+		int i;
+		adev->vcn.num_vcn_inst = VCN25_MAX_HW_INSTANCES_ARCTURUS;
+		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
+			harvest = RREG32_SOC15(VCN, i, mmCC_UVD_HARVESTING);
+			if (harvest & CC_UVD_HARVESTING__UVD_DISABLE_MASK)
+				adev->vcn.harvest_config |= 1 << i;
+		}
+		if (adev->vcn.harvest_config == (AMDGPU_VCN_HARVEST_VCN0 |
+					AMDGPU_VCN_HARVEST_VCN1))
+			/* both instances are harvested, disable the block */
+			return -ENOENT;
+
+		adev->vcn.num_enc_rings = 2;
+	}
+
+	vcn_v2_5_set_dec_ring_funcs(adev);
+	vcn_v2_5_set_enc_ring_funcs(adev);
+	vcn_v2_5_set_irq_funcs(adev);
+
+	return 0;
+}
+
+/**
+ * vcn_v2_5_sw_init - sw init for VCN block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * Load firmware and sw initialization
+ */
+static int vcn_v2_5_sw_init(void *handle)
+{
+	struct amdgpu_ring *ring;
+	int i, j, r;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	for (j = 0; j < adev->vcn.num_vcn_inst; j++) {
+		if (adev->vcn.harvest_config & (1 << j))
+			continue;
+		/* VCN DEC TRAP */
+		r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
+				VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT, &adev->vcn.inst[j].irq);
+		if (r)
+			return r;
+
+		/* VCN ENC TRAP */
+		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
+			r = amdgpu_irq_add_id(adev, amdgpu_ih_clientid_vcns[j],
+				i + VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE, &adev->vcn.inst[j].irq);
+			if (r)
+				return r;
+		}
+	}
+
+	r = amdgpu_vcn_sw_init(adev);
+	if (r)
+		return r;
+
+	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
+		const struct common_firmware_header *hdr;
+		hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
+		adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].ucode_id = AMDGPU_UCODE_ID_VCN;
+		adev->firmware.ucode[AMDGPU_UCODE_ID_VCN].fw = adev->vcn.fw;
+		adev->firmware.fw_size +=
+			ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
+
+		if (adev->vcn.num_vcn_inst == VCN25_MAX_HW_INSTANCES_ARCTURUS) {
+			adev->firmware.ucode[AMDGPU_UCODE_ID_VCN1].ucode_id = AMDGPU_UCODE_ID_VCN1;
+			adev->firmware.ucode[AMDGPU_UCODE_ID_VCN1].fw = adev->vcn.fw;
+			adev->firmware.fw_size +=
+				ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
+		}
+		dev_info(adev->dev, "Will use PSP to load VCN firmware\n");
+	}
+
+	r = amdgpu_vcn_resume(adev);
+	if (r)
+		return r;
+
+	for (j = 0; j < adev->vcn.num_vcn_inst; j++) {
+		volatile struct amdgpu_fw_shared *fw_shared;
+
+		if (adev->vcn.harvest_config & (1 << j))
+			continue;
+		adev->vcn.internal.context_id = mmUVD_CONTEXT_ID_INTERNAL_OFFSET;
+		adev->vcn.internal.ib_vmid = mmUVD_LMI_RBC_IB_VMID_INTERNAL_OFFSET;
+		adev->vcn.internal.ib_bar_low = mmUVD_LMI_RBC_IB_64BIT_BAR_LOW_INTERNAL_OFFSET;
+		adev->vcn.internal.ib_bar_high = mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH_INTERNAL_OFFSET;
+		adev->vcn.internal.ib_size = mmUVD_RBC_IB_SIZE_INTERNAL_OFFSET;
+		adev->vcn.internal.gp_scratch8 = mmUVD_GP_SCRATCH8_INTERNAL_OFFSET;
+
+		adev->vcn.internal.scratch9 = mmUVD_SCRATCH9_INTERNAL_OFFSET;
+		adev->vcn.inst[j].external.scratch9 = SOC15_REG_OFFSET(VCN, j, mmUVD_SCRATCH9);
+		adev->vcn.internal.data0 = mmUVD_GPCOM_VCPU_DATA0_INTERNAL_OFFSET;
+		adev->vcn.inst[j].external.data0 = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_DATA0);
+		adev->vcn.internal.data1 = mmUVD_GPCOM_VCPU_DATA1_INTERNAL_OFFSET;
+		adev->vcn.inst[j].external.data1 = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_DATA1);
+		adev->vcn.internal.cmd = mmUVD_GPCOM_VCPU_CMD_INTERNAL_OFFSET;
+		adev->vcn.inst[j].external.cmd = SOC15_REG_OFFSET(VCN, j, mmUVD_GPCOM_VCPU_CMD);
+		adev->vcn.internal.nop = mmUVD_NO_OP_INTERNAL_OFFSET;
+		adev->vcn.inst[j].external.nop = SOC15_REG_OFFSET(VCN, j, mmUVD_NO_OP);
+
+		ring = &adev->vcn.inst[j].ring_dec;
+		ring->use_doorbell = true;
+
+		ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
+				(amdgpu_sriov_vf(adev) ? 2*j : 8*j);
+		sprintf(ring->name, "vcn_dec_%d", j);
+		r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.inst[j].irq,
+				     0, AMDGPU_RING_PRIO_DEFAULT);
+		if (r)
+			return r;
+
+		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
+			ring = &adev->vcn.inst[j].ring_enc[i];
+			ring->use_doorbell = true;
+
+			ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) +
+					(amdgpu_sriov_vf(adev) ? (1 + i + 2*j) : (2 + i + 8*j));
+
+			sprintf(ring->name, "vcn_enc_%d.%d", j, i);
+			r = amdgpu_ring_init(adev, ring, 512,
+					     &adev->vcn.inst[j].irq, 0,
+					     AMDGPU_RING_PRIO_DEFAULT);
+			if (r)
+				return r;
+		}
+
+		fw_shared = adev->vcn.inst[j].fw_shared_cpu_addr;
+		fw_shared->present_flag_0 = cpu_to_le32(AMDGPU_VCN_MULTI_QUEUE_FLAG);
+	}
+
+	if (amdgpu_sriov_vf(adev)) {
+		r = amdgpu_virt_alloc_mm_table(adev);
+		if (r)
+			return r;
+	}
+
+	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
+		adev->vcn.pause_dpg_mode = vcn_v2_5_pause_dpg_mode;
+
+	return 0;
+}
+
+/**
+ * vcn_v2_5_sw_fini - sw fini for VCN block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * VCN suspend and free up sw allocation
+ */
+static int vcn_v2_5_sw_fini(void *handle)
+{
+	int i, r, idx;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	volatile struct amdgpu_fw_shared *fw_shared;
+
+	if (drm_dev_enter(&adev->ddev, &idx)) {
+		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
+			if (adev->vcn.harvest_config & (1 << i))
+				continue;
+			fw_shared = adev->vcn.inst[i].fw_shared_cpu_addr;
+			fw_shared->present_flag_0 = 0;
+		}
+		drm_dev_exit(idx);
+	}
+
+
+	if (amdgpu_sriov_vf(adev))
+		amdgpu_virt_free_mm_table(adev);
+
+	r = amdgpu_vcn_suspend(adev);
+	if (r)
+		return r;
+
+	r = amdgpu_vcn_sw_fini(adev);
+
+	return r;
+}
+
+/**
+ * vcn_v2_5_hw_init - start and test VCN block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * Initialize the hardware, boot up the VCPU and do some testing
+ */
+static int vcn_v2_5_hw_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	struct amdgpu_ring *ring;
+	int i, j, r = 0;
+
+	if (amdgpu_sriov_vf(adev))
+		r = vcn_v2_5_sriov_start(adev);
+
+	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
+		if (adev->vcn.harvest_config & (1 << j))
+			continue;
+
+		if (amdgpu_sriov_vf(adev)) {
+			adev->vcn.inst[j].ring_enc[0].sched.ready = true;
+			adev->vcn.inst[j].ring_enc[1].sched.ready = false;
+			adev->vcn.inst[j].ring_enc[2].sched.ready = false;
+			adev->vcn.inst[j].ring_dec.sched.ready = true;
+		} else {
+
+			ring = &adev->vcn.inst[j].ring_dec;
+
+			adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
+						     ring->doorbell_index, j);
+
+			r = amdgpu_ring_test_helper(ring);
+			if (r)
+				goto done;
+
+			for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
+				ring = &adev->vcn.inst[j].ring_enc[i];
+				r = amdgpu_ring_test_helper(ring);
+				if (r)
+					goto done;
+			}
+		}
+	}
+
+done:
+	if (!r)
+		DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
+			(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
+
+	return r;
+}
+
+/**
+ * vcn_v2_5_hw_fini - stop the hardware block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * Stop the VCN block, mark ring as not ready any more
+ */
+static int vcn_v2_5_hw_fini(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	int i;
+
+	cancel_delayed_work_sync(&adev->vcn.idle_work);
+
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		if (adev->vcn.harvest_config & (1 << i))
+			continue;
+
+		if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
+		    (adev->vcn.cur_state != AMD_PG_STATE_GATE &&
+		     RREG32_SOC15(VCN, i, mmUVD_STATUS)))
+			vcn_v2_5_set_powergating_state(adev, AMD_PG_STATE_GATE);
+	}
+
+	return 0;
+}
+
+/**
+ * vcn_v2_5_suspend - suspend VCN block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * HW fini and suspend VCN block
+ */
+static int vcn_v2_5_suspend(void *handle)
+{
+	int r;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	r = vcn_v2_5_hw_fini(adev);
+	if (r)
+		return r;
+
+	r = amdgpu_vcn_suspend(adev);
+
+	return r;
+}
+
+/**
+ * vcn_v2_5_resume - resume VCN block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * Resume firmware and hw init VCN block
+ */
+static int vcn_v2_5_resume(void *handle)
+{
+	int r;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	r = amdgpu_vcn_resume(adev);
+	if (r)
+		return r;
+
+	r = vcn_v2_5_hw_init(adev);
+
+	return r;
+}
+
+/**
+ * vcn_v2_5_mc_resume - memory controller programming
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Let the VCN memory controller know it's offsets
+ */
+static void vcn_v2_5_mc_resume(struct amdgpu_device *adev)
+{
+	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+	uint32_t offset;
+	int i;
+
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		if (adev->vcn.harvest_config & (1 << i))
+			continue;
+		/* cache window 0: fw */
+		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
+			WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
+				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo));
+			WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
+				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi));
+			WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET0, 0);
+			offset = 0;
+		} else {
+			WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
+				lower_32_bits(adev->vcn.inst[i].gpu_addr));
+			WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
+				upper_32_bits(adev->vcn.inst[i].gpu_addr));
+			offset = size;
+			WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET0,
+				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
+		}
+		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE0, size);
+
+		/* cache window 1: stack */
+		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW,
+			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset));
+		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH,
+			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset));
+		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET1, 0);
+		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_STACK_SIZE);
+
+		/* cache window 2: context */
+		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW,
+			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
+		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH,
+			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE));
+		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_OFFSET2, 0);
+		WREG32_SOC15(VCN, i, mmUVD_VCPU_CACHE_SIZE2, AMDGPU_VCN_CONTEXT_SIZE);
+
+		/* non-cache window */
+		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW,
+			lower_32_bits(adev->vcn.inst[i].fw_shared_gpu_addr));
+		WREG32_SOC15(VCN, i, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH,
+			upper_32_bits(adev->vcn.inst[i].fw_shared_gpu_addr));
+		WREG32_SOC15(VCN, i, mmUVD_VCPU_NONCACHE_OFFSET0, 0);
+		WREG32_SOC15(VCN, i, mmUVD_VCPU_NONCACHE_SIZE0,
+			AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)));
+	}
+}
+
+static void vcn_v2_5_mc_resume_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
+{
+	uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+	uint32_t offset;
+
+	/* cache window 0: fw */
+	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
+		if (!indirect) {
+			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
+				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_lo), 0, indirect);
+			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
+				(adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + inst_idx].tmr_mc_addr_hi), 0, indirect);
+			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+				VCN, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
+		} else {
+			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW), 0, 0, indirect);
+			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+				VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH), 0, 0, indirect);
+			WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+				VCN, 0, mmUVD_VCPU_CACHE_OFFSET0), 0, 0, indirect);
+		}
+		offset = 0;
+	} else {
+		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+			VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
+			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
+		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+			VCN, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
+			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr), 0, indirect);
+		offset = size;
+		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+			VCN, 0, mmUVD_VCPU_CACHE_OFFSET0),
+			AMDGPU_UVD_FIRMWARE_OFFSET >> 3, 0, indirect);
+	}
+
+	if (!indirect)
+		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+			VCN, 0, mmUVD_VCPU_CACHE_SIZE0), size, 0, indirect);
+	else
+		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+			VCN, 0, mmUVD_VCPU_CACHE_SIZE0), 0, 0, indirect);
+
+	/* cache window 1: stack */
+	if (!indirect) {
+		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
+			lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
+		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
+			upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset), 0, indirect);
+		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+			VCN, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
+	} else {
+		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW), 0, 0, indirect);
+		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+			VCN, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH), 0, 0, indirect);
+		WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+			VCN, 0, mmUVD_VCPU_CACHE_OFFSET1), 0, 0, indirect);
+	}
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_VCPU_CACHE_SIZE1), AMDGPU_VCN_STACK_SIZE, 0, indirect);
+
+	/* cache window 2: context */
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
+		lower_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
+		upper_32_bits(adev->vcn.inst[inst_idx].gpu_addr + offset + AMDGPU_VCN_STACK_SIZE), 0, indirect);
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_VCPU_CACHE_OFFSET2), 0, 0, indirect);
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_VCPU_CACHE_SIZE2), AMDGPU_VCN_CONTEXT_SIZE, 0, indirect);
+
+	/* non-cache window */
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_LOW),
+		lower_32_bits(adev->vcn.inst[inst_idx].fw_shared_gpu_addr), 0, indirect);
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_LMI_VCPU_NC0_64BIT_BAR_HIGH),
+		upper_32_bits(adev->vcn.inst[inst_idx].fw_shared_gpu_addr), 0, indirect);
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_VCPU_NONCACHE_OFFSET0), 0, 0, indirect);
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_VCPU_NONCACHE_SIZE0),
+		AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)), 0, indirect);
+
+	/* VCN global tiling registers */
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_GFX8_ADDR_CONFIG), adev->gfx.config.gb_addr_config, 0, indirect);
+}
+
+/**
+ * vcn_v2_5_disable_clock_gating - disable VCN clock gating
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Disable clock gating for VCN block
+ */
+static void vcn_v2_5_disable_clock_gating(struct amdgpu_device *adev)
+{
+	uint32_t data;
+	int i;
+
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		if (adev->vcn.harvest_config & (1 << i))
+			continue;
+		/* UVD disable CGC */
+		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
+		if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
+			data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
+		else
+			data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK;
+		data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
+		data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
+		WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
+
+		data = RREG32_SOC15(VCN, i, mmUVD_CGC_GATE);
+		data &= ~(UVD_CGC_GATE__SYS_MASK
+			| UVD_CGC_GATE__UDEC_MASK
+			| UVD_CGC_GATE__MPEG2_MASK
+			| UVD_CGC_GATE__REGS_MASK
+			| UVD_CGC_GATE__RBC_MASK
+			| UVD_CGC_GATE__LMI_MC_MASK
+			| UVD_CGC_GATE__LMI_UMC_MASK
+			| UVD_CGC_GATE__IDCT_MASK
+			| UVD_CGC_GATE__MPRD_MASK
+			| UVD_CGC_GATE__MPC_MASK
+			| UVD_CGC_GATE__LBSI_MASK
+			| UVD_CGC_GATE__LRBBM_MASK
+			| UVD_CGC_GATE__UDEC_RE_MASK
+			| UVD_CGC_GATE__UDEC_CM_MASK
+			| UVD_CGC_GATE__UDEC_IT_MASK
+			| UVD_CGC_GATE__UDEC_DB_MASK
+			| UVD_CGC_GATE__UDEC_MP_MASK
+			| UVD_CGC_GATE__WCB_MASK
+			| UVD_CGC_GATE__VCPU_MASK
+			| UVD_CGC_GATE__MMSCH_MASK);
+
+		WREG32_SOC15(VCN, i, mmUVD_CGC_GATE, data);
+
+		SOC15_WAIT_ON_RREG(VCN, i, mmUVD_CGC_GATE, 0,  0xFFFFFFFF);
+
+		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
+		data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK
+			| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
+			| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
+			| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
+			| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
+			| UVD_CGC_CTRL__SYS_MODE_MASK
+			| UVD_CGC_CTRL__UDEC_MODE_MASK
+			| UVD_CGC_CTRL__MPEG2_MODE_MASK
+			| UVD_CGC_CTRL__REGS_MODE_MASK
+			| UVD_CGC_CTRL__RBC_MODE_MASK
+			| UVD_CGC_CTRL__LMI_MC_MODE_MASK
+			| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
+			| UVD_CGC_CTRL__IDCT_MODE_MASK
+			| UVD_CGC_CTRL__MPRD_MODE_MASK
+			| UVD_CGC_CTRL__MPC_MODE_MASK
+			| UVD_CGC_CTRL__LBSI_MODE_MASK
+			| UVD_CGC_CTRL__LRBBM_MODE_MASK
+			| UVD_CGC_CTRL__WCB_MODE_MASK
+			| UVD_CGC_CTRL__VCPU_MODE_MASK
+			| UVD_CGC_CTRL__MMSCH_MODE_MASK);
+		WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
+
+		/* turn on */
+		data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_GATE);
+		data |= (UVD_SUVD_CGC_GATE__SRE_MASK
+			| UVD_SUVD_CGC_GATE__SIT_MASK
+			| UVD_SUVD_CGC_GATE__SMP_MASK
+			| UVD_SUVD_CGC_GATE__SCM_MASK
+			| UVD_SUVD_CGC_GATE__SDB_MASK
+			| UVD_SUVD_CGC_GATE__SRE_H264_MASK
+			| UVD_SUVD_CGC_GATE__SRE_HEVC_MASK
+			| UVD_SUVD_CGC_GATE__SIT_H264_MASK
+			| UVD_SUVD_CGC_GATE__SIT_HEVC_MASK
+			| UVD_SUVD_CGC_GATE__SCM_H264_MASK
+			| UVD_SUVD_CGC_GATE__SCM_HEVC_MASK
+			| UVD_SUVD_CGC_GATE__SDB_H264_MASK
+			| UVD_SUVD_CGC_GATE__SDB_HEVC_MASK
+			| UVD_SUVD_CGC_GATE__SCLR_MASK
+			| UVD_SUVD_CGC_GATE__UVD_SC_MASK
+			| UVD_SUVD_CGC_GATE__ENT_MASK
+			| UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK
+			| UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK
+			| UVD_SUVD_CGC_GATE__SITE_MASK
+			| UVD_SUVD_CGC_GATE__SRE_VP9_MASK
+			| UVD_SUVD_CGC_GATE__SCM_VP9_MASK
+			| UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK
+			| UVD_SUVD_CGC_GATE__SDB_VP9_MASK
+			| UVD_SUVD_CGC_GATE__IME_HEVC_MASK);
+		WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_GATE, data);
+
+		data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL);
+		data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
+		WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL, data);
+	}
+}
+
+static void vcn_v2_5_clock_gating_dpg_mode(struct amdgpu_device *adev,
+		uint8_t sram_sel, int inst_idx, uint8_t indirect)
+{
+	uint32_t reg_data = 0;
+
+	/* enable sw clock gating control */
+	if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
+		reg_data = 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
+	else
+		reg_data = 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
+	reg_data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
+	reg_data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
+	reg_data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
+		 UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
+		 UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
+		 UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
+		 UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
+		 UVD_CGC_CTRL__SYS_MODE_MASK |
+		 UVD_CGC_CTRL__UDEC_MODE_MASK |
+		 UVD_CGC_CTRL__MPEG2_MODE_MASK |
+		 UVD_CGC_CTRL__REGS_MODE_MASK |
+		 UVD_CGC_CTRL__RBC_MODE_MASK |
+		 UVD_CGC_CTRL__LMI_MC_MODE_MASK |
+		 UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
+		 UVD_CGC_CTRL__IDCT_MODE_MASK |
+		 UVD_CGC_CTRL__MPRD_MODE_MASK |
+		 UVD_CGC_CTRL__MPC_MODE_MASK |
+		 UVD_CGC_CTRL__LBSI_MODE_MASK |
+		 UVD_CGC_CTRL__LRBBM_MODE_MASK |
+		 UVD_CGC_CTRL__WCB_MODE_MASK |
+		 UVD_CGC_CTRL__VCPU_MODE_MASK |
+		 UVD_CGC_CTRL__MMSCH_MODE_MASK);
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_CGC_CTRL), reg_data, sram_sel, indirect);
+
+	/* turn off clock gating */
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_CGC_GATE), 0, sram_sel, indirect);
+
+	/* turn on SUVD clock gating */
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_SUVD_CGC_GATE), 1, sram_sel, indirect);
+
+	/* turn on sw mode in UVD_SUVD_CGC_CTRL */
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_SUVD_CGC_CTRL), 0, sram_sel, indirect);
+}
+
+/**
+ * vcn_v2_5_enable_clock_gating - enable VCN clock gating
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Enable clock gating for VCN block
+ */
+static void vcn_v2_5_enable_clock_gating(struct amdgpu_device *adev)
+{
+	uint32_t data = 0;
+	int i;
+
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		if (adev->vcn.harvest_config & (1 << i))
+			continue;
+		/* enable UVD CGC */
+		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
+		if (adev->cg_flags & AMD_CG_SUPPORT_VCN_MGCG)
+			data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
+		else
+			data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
+		data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
+		data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
+		WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
+
+		data = RREG32_SOC15(VCN, i, mmUVD_CGC_CTRL);
+		data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK
+			| UVD_CGC_CTRL__UDEC_CM_MODE_MASK
+			| UVD_CGC_CTRL__UDEC_IT_MODE_MASK
+			| UVD_CGC_CTRL__UDEC_DB_MODE_MASK
+			| UVD_CGC_CTRL__UDEC_MP_MODE_MASK
+			| UVD_CGC_CTRL__SYS_MODE_MASK
+			| UVD_CGC_CTRL__UDEC_MODE_MASK
+			| UVD_CGC_CTRL__MPEG2_MODE_MASK
+			| UVD_CGC_CTRL__REGS_MODE_MASK
+			| UVD_CGC_CTRL__RBC_MODE_MASK
+			| UVD_CGC_CTRL__LMI_MC_MODE_MASK
+			| UVD_CGC_CTRL__LMI_UMC_MODE_MASK
+			| UVD_CGC_CTRL__IDCT_MODE_MASK
+			| UVD_CGC_CTRL__MPRD_MODE_MASK
+			| UVD_CGC_CTRL__MPC_MODE_MASK
+			| UVD_CGC_CTRL__LBSI_MODE_MASK
+			| UVD_CGC_CTRL__LRBBM_MODE_MASK
+			| UVD_CGC_CTRL__WCB_MODE_MASK
+			| UVD_CGC_CTRL__VCPU_MODE_MASK);
+		WREG32_SOC15(VCN, i, mmUVD_CGC_CTRL, data);
+
+		data = RREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL);
+		data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__SIT_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__SMP_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__SCM_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__SDB_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__ENT_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__IME_MODE_MASK
+			| UVD_SUVD_CGC_CTRL__SITE_MODE_MASK);
+		WREG32_SOC15(VCN, i, mmUVD_SUVD_CGC_CTRL, data);
+	}
+}
+
+static int vcn_v2_5_start_dpg_mode(struct amdgpu_device *adev, int inst_idx, bool indirect)
+{
+	volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared_cpu_addr;
+	struct amdgpu_ring *ring;
+	uint32_t rb_bufsz, tmp;
+
+	/* disable register anti-hang mechanism */
+	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 1,
+		~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
+	/* enable dynamic power gating mode */
+	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS);
+	tmp |= UVD_POWER_STATUS__UVD_PG_MODE_MASK;
+	tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
+	WREG32_SOC15(VCN, inst_idx, mmUVD_POWER_STATUS, tmp);
+
+	if (indirect)
+		adev->vcn.inst[inst_idx].dpg_sram_curr_addr = (uint32_t*)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
+
+	/* enable clock gating */
+	vcn_v2_5_clock_gating_dpg_mode(adev, 0, inst_idx, indirect);
+
+	/* enable VCPU clock */
+	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
+	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
+	tmp |= UVD_VCPU_CNTL__BLK_RST_MASK;
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
+
+	/* disable master interupt */
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_MASTINT_EN), 0, 0, indirect);
+
+	/* setup mmUVD_LMI_CTRL */
+	tmp = (0x8 | UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
+		UVD_LMI_CTRL__REQ_MODE_MASK |
+		UVD_LMI_CTRL__CRC_RESET_MASK |
+		UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
+		UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
+		UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
+		(8 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
+		0x00100000L);
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_LMI_CTRL), tmp, 0, indirect);
+
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_MPC_CNTL),
+		0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT, 0, indirect);
+
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_MPC_SET_MUXA0),
+		((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
+		 (0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
+		 (0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
+		 (0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)), 0, indirect);
+
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_MPC_SET_MUXB0),
+		((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
+		 (0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
+		 (0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
+		 (0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)), 0, indirect);
+
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_MPC_SET_MUX),
+		((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
+		 (0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
+		 (0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)), 0, indirect);
+
+	vcn_v2_5_mc_resume_dpg_mode(adev, inst_idx, indirect);
+
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_REG_XX_MASK), 0x10, 0, indirect);
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_RBC_XX_IB_REG_CHECK), 0x3, 0, indirect);
+
+	/* enable LMI MC and UMC channels */
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_LMI_CTRL2), 0, 0, indirect);
+
+	/* unblock VCPU register access */
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_RB_ARB_CTRL), 0, 0, indirect);
+
+	tmp = (0xFF << UVD_VCPU_CNTL__PRB_TIMEOUT_VAL__SHIFT);
+	tmp |= UVD_VCPU_CNTL__CLK_EN_MASK;
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_VCPU_CNTL), tmp, 0, indirect);
+
+	/* enable master interrupt */
+	WREG32_SOC15_DPG_MODE(inst_idx, SOC15_DPG_MODE_OFFSET(
+		VCN, 0, mmUVD_MASTINT_EN),
+		UVD_MASTINT_EN__VCPU_EN_MASK, 0, indirect);
+
+	if (indirect)
+		psp_update_vcn_sram(adev, inst_idx, adev->vcn.inst[inst_idx].dpg_sram_gpu_addr,
+				    (uint32_t)((uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_curr_addr -
+					       (uintptr_t)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr));
+
+	ring = &adev->vcn.inst[inst_idx].ring_dec;
+	/* force RBC into idle state */
+	rb_bufsz = order_base_2(ring->ring_size);
+	tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
+	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
+	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
+	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
+	tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
+	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_CNTL, tmp);
+
+	/* Stall DPG before WPTR/RPTR reset */
+	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
+		UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
+		~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
+	fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
+
+	/* set the write pointer delay */
+	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR_CNTL, 0);
+
+	/* set the wb address */
+	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR_ADDR,
+		(upper_32_bits(ring->gpu_addr) >> 2));
+
+	/* program the RB_BASE for ring buffer */
+	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
+		lower_32_bits(ring->gpu_addr));
+	WREG32_SOC15(VCN, inst_idx, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
+		upper_32_bits(ring->gpu_addr));
+
+	/* Initialize the ring buffer's read and write pointers */
+	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR, 0);
+
+	WREG32_SOC15(VCN, inst_idx, mmUVD_SCRATCH2, 0);
+
+	ring->wptr = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_RPTR);
+	WREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR,
+		lower_32_bits(ring->wptr));
+
+	fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
+	/* Unstall DPG */
+	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
+		0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
+
+	return 0;
+}
+
+static int vcn_v2_5_start(struct amdgpu_device *adev)
+{
+	struct amdgpu_ring *ring;
+	uint32_t rb_bufsz, tmp;
+	int i, j, k, r;
+
+	if (adev->pm.dpm_enabled)
+		amdgpu_dpm_enable_uvd(adev, true);
+
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		if (adev->vcn.harvest_config & (1 << i))
+			continue;
+		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
+			r = vcn_v2_5_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
+			continue;
+		}
+
+		/* disable register anti-hang mechanism */
+		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_POWER_STATUS), 0,
+			~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
+
+		/* set uvd status busy */
+		tmp = RREG32_SOC15(VCN, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
+		WREG32_SOC15(VCN, i, mmUVD_STATUS, tmp);
+	}
+
+	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
+		return 0;
+
+	/*SW clock gating */
+	vcn_v2_5_disable_clock_gating(adev);
+
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		if (adev->vcn.harvest_config & (1 << i))
+			continue;
+		/* enable VCPU clock */
+		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
+			UVD_VCPU_CNTL__CLK_EN_MASK, ~UVD_VCPU_CNTL__CLK_EN_MASK);
+
+		/* disable master interrupt */
+		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN), 0,
+			~UVD_MASTINT_EN__VCPU_EN_MASK);
+
+		/* setup mmUVD_LMI_CTRL */
+		tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL);
+		tmp &= ~0xff;
+		WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL, tmp | 0x8|
+			UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK	|
+			UVD_LMI_CTRL__MASK_MC_URGENT_MASK |
+			UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
+			UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK);
+
+		/* setup mmUVD_MPC_CNTL */
+		tmp = RREG32_SOC15(VCN, i, mmUVD_MPC_CNTL);
+		tmp &= ~UVD_MPC_CNTL__REPLACEMENT_MODE_MASK;
+		tmp |= 0x2 << UVD_MPC_CNTL__REPLACEMENT_MODE__SHIFT;
+		WREG32_SOC15(VCN, i, mmUVD_MPC_CNTL, tmp);
+
+		/* setup UVD_MPC_SET_MUXA0 */
+		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXA0,
+			((0x1 << UVD_MPC_SET_MUXA0__VARA_1__SHIFT) |
+			(0x2 << UVD_MPC_SET_MUXA0__VARA_2__SHIFT) |
+			(0x3 << UVD_MPC_SET_MUXA0__VARA_3__SHIFT) |
+			(0x4 << UVD_MPC_SET_MUXA0__VARA_4__SHIFT)));
+
+		/* setup UVD_MPC_SET_MUXB0 */
+		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUXB0,
+			((0x1 << UVD_MPC_SET_MUXB0__VARB_1__SHIFT) |
+			(0x2 << UVD_MPC_SET_MUXB0__VARB_2__SHIFT) |
+			(0x3 << UVD_MPC_SET_MUXB0__VARB_3__SHIFT) |
+			(0x4 << UVD_MPC_SET_MUXB0__VARB_4__SHIFT)));
+
+		/* setup mmUVD_MPC_SET_MUX */
+		WREG32_SOC15(VCN, i, mmUVD_MPC_SET_MUX,
+			((0x0 << UVD_MPC_SET_MUX__SET_0__SHIFT) |
+			(0x1 << UVD_MPC_SET_MUX__SET_1__SHIFT) |
+			(0x2 << UVD_MPC_SET_MUX__SET_2__SHIFT)));
+	}
+
+	vcn_v2_5_mc_resume(adev);
+
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[i].fw_shared_cpu_addr;
+		if (adev->vcn.harvest_config & (1 << i))
+			continue;
+		/* VCN global tiling registers */
+		WREG32_SOC15(VCN, i, mmUVD_GFX8_ADDR_CONFIG,
+			adev->gfx.config.gb_addr_config);
+		WREG32_SOC15(VCN, i, mmUVD_GFX8_ADDR_CONFIG,
+			adev->gfx.config.gb_addr_config);
+
+		/* enable LMI MC and UMC channels */
+		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_LMI_CTRL2), 0,
+			~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK);
+
+		/* unblock VCPU register access */
+		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL), 0,
+			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
+
+		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
+			~UVD_VCPU_CNTL__BLK_RST_MASK);
+
+		for (k = 0; k < 10; ++k) {
+			uint32_t status;
+
+			for (j = 0; j < 100; ++j) {
+				status = RREG32_SOC15(VCN, i, mmUVD_STATUS);
+				if (status & 2)
+					break;
+				if (amdgpu_emu_mode == 1)
+					msleep(500);
+				else
+					mdelay(10);
+			}
+			r = 0;
+			if (status & 2)
+				break;
+
+			DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n");
+			WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
+				UVD_VCPU_CNTL__BLK_RST_MASK,
+				~UVD_VCPU_CNTL__BLK_RST_MASK);
+			mdelay(10);
+			WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
+				~UVD_VCPU_CNTL__BLK_RST_MASK);
+
+			mdelay(10);
+			r = -1;
+		}
+
+		if (r) {
+			DRM_ERROR("VCN decode not responding, giving up!!!\n");
+			return r;
+		}
+
+		/* enable master interrupt */
+		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_MASTINT_EN),
+			UVD_MASTINT_EN__VCPU_EN_MASK,
+			~UVD_MASTINT_EN__VCPU_EN_MASK);
+
+		/* clear the busy bit of VCN_STATUS */
+		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS), 0,
+			~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
+
+		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_VMID, 0);
+
+		ring = &adev->vcn.inst[i].ring_dec;
+		/* force RBC into idle state */
+		rb_bufsz = order_base_2(ring->ring_size);
+		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
+		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
+		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
+		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
+		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
+		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_CNTL, tmp);
+
+		fw_shared->multi_queue.decode_queue_mode |= FW_QUEUE_RING_RESET;
+		/* program the RB_BASE for ring buffer */
+		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
+			lower_32_bits(ring->gpu_addr));
+		WREG32_SOC15(VCN, i, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
+			upper_32_bits(ring->gpu_addr));
+
+		/* Initialize the ring buffer's read and write pointers */
+		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR, 0);
+
+		ring->wptr = RREG32_SOC15(VCN, i, mmUVD_RBC_RB_RPTR);
+		WREG32_SOC15(VCN, i, mmUVD_RBC_RB_WPTR,
+				lower_32_bits(ring->wptr));
+		fw_shared->multi_queue.decode_queue_mode &= ~FW_QUEUE_RING_RESET;
+
+		fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
+		ring = &adev->vcn.inst[i].ring_enc[0];
+		WREG32_SOC15(VCN, i, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
+		WREG32_SOC15(VCN, i, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
+		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO, ring->gpu_addr);
+		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
+		WREG32_SOC15(VCN, i, mmUVD_RB_SIZE, ring->ring_size / 4);
+		fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
+
+		fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
+		ring = &adev->vcn.inst[i].ring_enc[1];
+		WREG32_SOC15(VCN, i, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
+		WREG32_SOC15(VCN, i, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
+		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_LO2, ring->gpu_addr);
+		WREG32_SOC15(VCN, i, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
+		WREG32_SOC15(VCN, i, mmUVD_RB_SIZE2, ring->ring_size / 4);
+		fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
+	}
+
+	return 0;
+}
+
+static int vcn_v2_5_mmsch_start(struct amdgpu_device *adev,
+				struct amdgpu_mm_table *table)
+{
+	uint32_t data = 0, loop = 0, size = 0;
+	uint64_t addr = table->gpu_addr;
+	struct mmsch_v1_1_init_header *header = NULL;
+
+	header = (struct mmsch_v1_1_init_header *)table->cpu_addr;
+	size = header->total_size;
+
+	/*
+	 * 1, write to vce_mmsch_vf_ctx_addr_lo/hi register with GPU mc addr of
+	 *  memory descriptor location
+	 */
+	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_LO, lower_32_bits(addr));
+	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_ADDR_HI, upper_32_bits(addr));
+
+	/* 2, update vmid of descriptor */
+	data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID);
+	data &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK;
+	/* use domain0 for MM scheduler */
+	data |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT);
+	WREG32_SOC15(VCN, 0, mmMMSCH_VF_VMID, data);
+
+	/* 3, notify mmsch about the size of this descriptor */
+	WREG32_SOC15(VCN, 0, mmMMSCH_VF_CTX_SIZE, size);
+
+	/* 4, set resp to zero */
+	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP, 0);
+
+	/*
+	 * 5, kick off the initialization and wait until
+	 * VCE_MMSCH_VF_MAILBOX_RESP becomes non-zero
+	 */
+	WREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_HOST, 0x10000001);
+
+	data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
+	loop = 10;
+	while ((data & 0x10000002) != 0x10000002) {
+		udelay(100);
+		data = RREG32_SOC15(VCN, 0, mmMMSCH_VF_MAILBOX_RESP);
+		loop--;
+		if (!loop)
+			break;
+	}
+
+	if (!loop) {
+		dev_err(adev->dev,
+			"failed to init MMSCH, mmMMSCH_VF_MAILBOX_RESP = %x\n",
+			data);
+		return -EBUSY;
+	}
+
+	return 0;
+}
+
+static int vcn_v2_5_sriov_start(struct amdgpu_device *adev)
+{
+	struct amdgpu_ring *ring;
+	uint32_t offset, size, tmp, i, rb_bufsz;
+	uint32_t table_size = 0;
+	struct mmsch_v1_0_cmd_direct_write direct_wt = { { 0 } };
+	struct mmsch_v1_0_cmd_direct_read_modify_write direct_rd_mod_wt = { { 0 } };
+	struct mmsch_v1_0_cmd_end end = { { 0 } };
+	uint32_t *init_table = adev->virt.mm_table.cpu_addr;
+	struct mmsch_v1_1_init_header *header = (struct mmsch_v1_1_init_header *)init_table;
+
+	direct_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_WRITE;
+	direct_rd_mod_wt.cmd_header.command_type = MMSCH_COMMAND__DIRECT_REG_READ_MODIFY_WRITE;
+	end.cmd_header.command_type = MMSCH_COMMAND__END;
+
+	header->version = MMSCH_VERSION;
+	header->total_size = sizeof(struct mmsch_v1_1_init_header) >> 2;
+	init_table += header->total_size;
+
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		header->eng[i].table_offset = header->total_size;
+		header->eng[i].init_status = 0;
+		header->eng[i].table_size = 0;
+
+		table_size = 0;
+
+		MMSCH_V1_0_INSERT_DIRECT_RD_MOD_WT(
+			SOC15_REG_OFFSET(VCN, i, mmUVD_STATUS),
+			~UVD_STATUS__UVD_BUSY, UVD_STATUS__UVD_BUSY);
+
+		size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4);
+		/* mc resume*/
+		if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
+			MMSCH_V1_0_INSERT_DIRECT_WT(
+				SOC15_REG_OFFSET(VCN, i,
+					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
+				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_lo);
+			MMSCH_V1_0_INSERT_DIRECT_WT(
+				SOC15_REG_OFFSET(VCN, i,
+					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
+				adev->firmware.ucode[AMDGPU_UCODE_ID_VCN + i].tmr_mc_addr_hi);
+			offset = 0;
+			MMSCH_V1_0_INSERT_DIRECT_WT(
+				SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET0), 0);
+		} else {
+			MMSCH_V1_0_INSERT_DIRECT_WT(
+				SOC15_REG_OFFSET(VCN, i,
+					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW),
+				lower_32_bits(adev->vcn.inst[i].gpu_addr));
+			MMSCH_V1_0_INSERT_DIRECT_WT(
+				SOC15_REG_OFFSET(VCN, i,
+					mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH),
+				upper_32_bits(adev->vcn.inst[i].gpu_addr));
+			offset = size;
+			MMSCH_V1_0_INSERT_DIRECT_WT(
+				SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET0),
+				AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
+		}
+
+		MMSCH_V1_0_INSERT_DIRECT_WT(
+			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE0),
+			size);
+		MMSCH_V1_0_INSERT_DIRECT_WT(
+			SOC15_REG_OFFSET(VCN, i,
+				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW),
+			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset));
+		MMSCH_V1_0_INSERT_DIRECT_WT(
+			SOC15_REG_OFFSET(VCN, i,
+				mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH),
+			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset));
+		MMSCH_V1_0_INSERT_DIRECT_WT(
+			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET1),
+			0);
+		MMSCH_V1_0_INSERT_DIRECT_WT(
+			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE1),
+			AMDGPU_VCN_STACK_SIZE);
+		MMSCH_V1_0_INSERT_DIRECT_WT(
+			SOC15_REG_OFFSET(VCN, i,
+				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW),
+			lower_32_bits(adev->vcn.inst[i].gpu_addr + offset +
+				AMDGPU_VCN_STACK_SIZE));
+		MMSCH_V1_0_INSERT_DIRECT_WT(
+			SOC15_REG_OFFSET(VCN, i,
+				mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH),
+			upper_32_bits(adev->vcn.inst[i].gpu_addr + offset +
+				AMDGPU_VCN_STACK_SIZE));
+		MMSCH_V1_0_INSERT_DIRECT_WT(
+			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_OFFSET2),
+			0);
+		MMSCH_V1_0_INSERT_DIRECT_WT(
+			SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CACHE_SIZE2),
+			AMDGPU_VCN_CONTEXT_SIZE);
+
+		ring = &adev->vcn.inst[i].ring_enc[0];
+		ring->wptr = 0;
+
+		MMSCH_V1_0_INSERT_DIRECT_WT(
+			SOC15_REG_OFFSET(VCN, i, mmUVD_RB_BASE_LO),
+			lower_32_bits(ring->gpu_addr));
+		MMSCH_V1_0_INSERT_DIRECT_WT(
+			SOC15_REG_OFFSET(VCN, i, mmUVD_RB_BASE_HI),
+			upper_32_bits(ring->gpu_addr));
+		MMSCH_V1_0_INSERT_DIRECT_WT(
+			SOC15_REG_OFFSET(VCN, i, mmUVD_RB_SIZE),
+			ring->ring_size / 4);
+
+		ring = &adev->vcn.inst[i].ring_dec;
+		ring->wptr = 0;
+		MMSCH_V1_0_INSERT_DIRECT_WT(
+			SOC15_REG_OFFSET(VCN, i,
+				mmUVD_LMI_RBC_RB_64BIT_BAR_LOW),
+			lower_32_bits(ring->gpu_addr));
+		MMSCH_V1_0_INSERT_DIRECT_WT(
+			SOC15_REG_OFFSET(VCN, i,
+				mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH),
+			upper_32_bits(ring->gpu_addr));
+
+		/* force RBC into idle state */
+		rb_bufsz = order_base_2(ring->ring_size);
+		tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
+		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
+		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
+		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
+		tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
+		MMSCH_V1_0_INSERT_DIRECT_WT(
+			SOC15_REG_OFFSET(VCN, i, mmUVD_RBC_RB_CNTL), tmp);
+
+		/* add end packet */
+		memcpy((void *)init_table, &end, sizeof(struct mmsch_v1_0_cmd_end));
+		table_size += sizeof(struct mmsch_v1_0_cmd_end) / 4;
+		init_table += sizeof(struct mmsch_v1_0_cmd_end) / 4;
+
+		/* refine header */
+		header->eng[i].table_size = table_size;
+		header->total_size += table_size;
+	}
+
+	return vcn_v2_5_mmsch_start(adev, &adev->virt.mm_table);
+}
+
+static int vcn_v2_5_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
+{
+	uint32_t tmp;
+
+	/* Wait for power status to be 1 */
+	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
+		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
+
+	/* wait for read ptr to be equal to write ptr */
+	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR);
+	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR, tmp, 0xFFFFFFFF);
+
+	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2);
+	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RB_RPTR2, tmp, 0xFFFFFFFF);
+
+	tmp = RREG32_SOC15(VCN, inst_idx, mmUVD_RBC_RB_WPTR) & 0x7FFFFFFF;
+	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_RBC_RB_RPTR, tmp, 0xFFFFFFFF);
+
+	SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 1,
+		UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
+
+	/* disable dynamic power gating mode */
+	WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS), 0,
+			~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
+
+	return 0;
+}
+
+static int vcn_v2_5_stop(struct amdgpu_device *adev)
+{
+	uint32_t tmp;
+	int i, r = 0;
+
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		if (adev->vcn.harvest_config & (1 << i))
+			continue;
+		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
+			r = vcn_v2_5_stop_dpg_mode(adev, i);
+			continue;
+		}
+
+		/* wait for vcn idle */
+		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE, 0x7);
+		if (r)
+			return r;
+
+		tmp = UVD_LMI_STATUS__VCPU_LMI_WRITE_CLEAN_MASK |
+			UVD_LMI_STATUS__READ_CLEAN_MASK |
+			UVD_LMI_STATUS__WRITE_CLEAN_MASK |
+			UVD_LMI_STATUS__WRITE_CLEAN_RAW_MASK;
+		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
+		if (r)
+			return r;
+
+		/* block LMI UMC channel */
+		tmp = RREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2);
+		tmp |= UVD_LMI_CTRL2__STALL_ARB_UMC_MASK;
+		WREG32_SOC15(VCN, i, mmUVD_LMI_CTRL2, tmp);
+
+		tmp = UVD_LMI_STATUS__UMC_READ_CLEAN_RAW_MASK|
+			UVD_LMI_STATUS__UMC_WRITE_CLEAN_RAW_MASK;
+		r = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_LMI_STATUS, tmp, tmp);
+		if (r)
+			return r;
+
+		/* block VCPU register access */
+		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_RB_ARB_CTRL),
+			UVD_RB_ARB_CTRL__VCPU_DIS_MASK,
+			~UVD_RB_ARB_CTRL__VCPU_DIS_MASK);
+
+		/* reset VCPU */
+		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL),
+			UVD_VCPU_CNTL__BLK_RST_MASK,
+			~UVD_VCPU_CNTL__BLK_RST_MASK);
+
+		/* disable VCPU clock */
+		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_VCPU_CNTL), 0,
+			~(UVD_VCPU_CNTL__CLK_EN_MASK));
+
+		/* clear status */
+		WREG32_SOC15(VCN, i, mmUVD_STATUS, 0);
+
+		vcn_v2_5_enable_clock_gating(adev);
+
+		/* enable register anti-hang mechanism */
+		WREG32_P(SOC15_REG_OFFSET(VCN, i, mmUVD_POWER_STATUS),
+			UVD_POWER_STATUS__UVD_POWER_STATUS_MASK,
+			~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
+	}
+
+	if (adev->pm.dpm_enabled)
+		amdgpu_dpm_enable_uvd(adev, false);
+
+	return 0;
+}
+
+static int vcn_v2_5_pause_dpg_mode(struct amdgpu_device *adev,
+				int inst_idx, struct dpg_pause_state *new_state)
+{
+	struct amdgpu_ring *ring;
+	uint32_t reg_data = 0;
+	int ret_code = 0;
+
+	/* pause/unpause if state is changed */
+	if (adev->vcn.inst[inst_idx].pause_state.fw_based != new_state->fw_based) {
+		DRM_DEBUG("dpg pause state changed %d -> %d",
+			adev->vcn.inst[inst_idx].pause_state.fw_based,	new_state->fw_based);
+		reg_data = RREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE) &
+			(~UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
+
+		if (new_state->fw_based == VCN_DPG_STATE__PAUSE) {
+			ret_code = SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
+				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
+
+			if (!ret_code) {
+				volatile struct amdgpu_fw_shared *fw_shared = adev->vcn.inst[inst_idx].fw_shared_cpu_addr;
+
+				/* pause DPG */
+				reg_data |= UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
+				WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
+
+				/* wait for ACK */
+				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_DPG_PAUSE,
+					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK,
+					   UVD_DPG_PAUSE__NJ_PAUSE_DPG_ACK_MASK);
+
+				/* Stall DPG before WPTR/RPTR reset */
+				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
+					   UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK,
+					   ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
+
+				/* Restore */
+				fw_shared->multi_queue.encode_generalpurpose_queue_mode |= FW_QUEUE_RING_RESET;
+				ring = &adev->vcn.inst[inst_idx].ring_enc[0];
+				ring->wptr = 0;
+				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO, ring->gpu_addr);
+				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
+				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE, ring->ring_size / 4);
+				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR, lower_32_bits(ring->wptr));
+				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
+				fw_shared->multi_queue.encode_generalpurpose_queue_mode &= ~FW_QUEUE_RING_RESET;
+
+				fw_shared->multi_queue.encode_lowlatency_queue_mode |= FW_QUEUE_RING_RESET;
+				ring = &adev->vcn.inst[inst_idx].ring_enc[1];
+				ring->wptr = 0;
+				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_LO2, ring->gpu_addr);
+				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
+				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_SIZE2, ring->ring_size / 4);
+				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr));
+				WREG32_SOC15(VCN, inst_idx, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
+				fw_shared->multi_queue.encode_lowlatency_queue_mode &= ~FW_QUEUE_RING_RESET;
+
+				/* Unstall DPG */
+				WREG32_P(SOC15_REG_OFFSET(VCN, inst_idx, mmUVD_POWER_STATUS),
+					   0, ~UVD_POWER_STATUS__STALL_DPG_POWER_UP_MASK);
+
+				SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS,
+					   UVD_PGFSM_CONFIG__UVDM_UVDU_PWR_ON, UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
+			}
+		} else {
+			reg_data &= ~UVD_DPG_PAUSE__NJ_PAUSE_DPG_REQ_MASK;
+			WREG32_SOC15(VCN, inst_idx, mmUVD_DPG_PAUSE, reg_data);
+			SOC15_WAIT_ON_RREG(VCN, inst_idx, mmUVD_POWER_STATUS, 0x1,
+				UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
+		}
+		adev->vcn.inst[inst_idx].pause_state.fw_based = new_state->fw_based;
+	}
+
+	return 0;
+}
+
+/**
+ * vcn_v2_5_dec_ring_get_rptr - get read pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware read pointer
+ */
+static uint64_t vcn_v2_5_dec_ring_get_rptr(struct amdgpu_ring *ring)
+{
+	struct amdgpu_device *adev = ring->adev;
+
+	return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_RPTR);
+}
+
+/**
+ * vcn_v2_5_dec_ring_get_wptr - get write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware write pointer
+ */
+static uint64_t vcn_v2_5_dec_ring_get_wptr(struct amdgpu_ring *ring)
+{
+	struct amdgpu_device *adev = ring->adev;
+
+	if (ring->use_doorbell)
+		return adev->wb.wb[ring->wptr_offs];
+	else
+		return RREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR);
+}
+
+/**
+ * vcn_v2_5_dec_ring_set_wptr - set write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Commits the write pointer to the hardware
+ */
+static void vcn_v2_5_dec_ring_set_wptr(struct amdgpu_ring *ring)
+{
+	struct amdgpu_device *adev = ring->adev;
+
+	if (ring->use_doorbell) {
+		adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
+		WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
+	} else {
+		WREG32_SOC15(VCN, ring->me, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr));
+	}
+}
+
+static const struct amdgpu_ring_funcs vcn_v2_5_dec_ring_vm_funcs = {
+	.type = AMDGPU_RING_TYPE_VCN_DEC,
+	.align_mask = 0xf,
+	.vmhub = AMDGPU_MMHUB_1,
+	.get_rptr = vcn_v2_5_dec_ring_get_rptr,
+	.get_wptr = vcn_v2_5_dec_ring_get_wptr,
+	.set_wptr = vcn_v2_5_dec_ring_set_wptr,
+	.emit_frame_size =
+		SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
+		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
+		8 + /* vcn_v2_0_dec_ring_emit_vm_flush */
+		14 + 14 + /* vcn_v2_0_dec_ring_emit_fence x2 vm fence */
+		6,
+	.emit_ib_size = 8, /* vcn_v2_0_dec_ring_emit_ib */
+	.emit_ib = vcn_v2_0_dec_ring_emit_ib,
+	.emit_fence = vcn_v2_0_dec_ring_emit_fence,
+	.emit_vm_flush = vcn_v2_0_dec_ring_emit_vm_flush,
+	.test_ring = vcn_v2_0_dec_ring_test_ring,
+	.test_ib = amdgpu_vcn_dec_ring_test_ib,
+	.insert_nop = vcn_v2_0_dec_ring_insert_nop,
+	.insert_start = vcn_v2_0_dec_ring_insert_start,
+	.insert_end = vcn_v2_0_dec_ring_insert_end,
+	.pad_ib = amdgpu_ring_generic_pad_ib,
+	.begin_use = amdgpu_vcn_ring_begin_use,
+	.end_use = amdgpu_vcn_ring_end_use,
+	.emit_wreg = vcn_v2_0_dec_ring_emit_wreg,
+	.emit_reg_wait = vcn_v2_0_dec_ring_emit_reg_wait,
+	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
+};
+
+/**
+ * vcn_v2_5_enc_ring_get_rptr - get enc read pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware enc read pointer
+ */
+static uint64_t vcn_v2_5_enc_ring_get_rptr(struct amdgpu_ring *ring)
+{
+	struct amdgpu_device *adev = ring->adev;
+
+	if (ring == &adev->vcn.inst[ring->me].ring_enc[0])
+		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR);
+	else
+		return RREG32_SOC15(VCN, ring->me, mmUVD_RB_RPTR2);
+}
+
+/**
+ * vcn_v2_5_enc_ring_get_wptr - get enc write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware enc write pointer
+ */
+static uint64_t vcn_v2_5_enc_ring_get_wptr(struct amdgpu_ring *ring)
+{
+	struct amdgpu_device *adev = ring->adev;
+
+	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
+		if (ring->use_doorbell)
+			return adev->wb.wb[ring->wptr_offs];
+		else
+			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR);
+	} else {
+		if (ring->use_doorbell)
+			return adev->wb.wb[ring->wptr_offs];
+		else
+			return RREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2);
+	}
+}
+
+/**
+ * vcn_v2_5_enc_ring_set_wptr - set enc write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Commits the enc write pointer to the hardware
+ */
+static void vcn_v2_5_enc_ring_set_wptr(struct amdgpu_ring *ring)
+{
+	struct amdgpu_device *adev = ring->adev;
+
+	if (ring == &adev->vcn.inst[ring->me].ring_enc[0]) {
+		if (ring->use_doorbell) {
+			adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
+			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
+		} else {
+			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR, lower_32_bits(ring->wptr));
+		}
+	} else {
+		if (ring->use_doorbell) {
+			adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
+			WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
+		} else {
+			WREG32_SOC15(VCN, ring->me, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr));
+		}
+	}
+}
+
+static const struct amdgpu_ring_funcs vcn_v2_5_enc_ring_vm_funcs = {
+	.type = AMDGPU_RING_TYPE_VCN_ENC,
+	.align_mask = 0x3f,
+	.nop = VCN_ENC_CMD_NO_OP,
+	.vmhub = AMDGPU_MMHUB_1,
+	.get_rptr = vcn_v2_5_enc_ring_get_rptr,
+	.get_wptr = vcn_v2_5_enc_ring_get_wptr,
+	.set_wptr = vcn_v2_5_enc_ring_set_wptr,
+	.emit_frame_size =
+		SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
+		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 +
+		4 + /* vcn_v2_0_enc_ring_emit_vm_flush */
+		5 + 5 + /* vcn_v2_0_enc_ring_emit_fence x2 vm fence */
+		1, /* vcn_v2_0_enc_ring_insert_end */
+	.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
+	.emit_ib = vcn_v2_0_enc_ring_emit_ib,
+	.emit_fence = vcn_v2_0_enc_ring_emit_fence,
+	.emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
+	.test_ring = amdgpu_vcn_enc_ring_test_ring,
+	.test_ib = amdgpu_vcn_enc_ring_test_ib,
+	.insert_nop = amdgpu_ring_insert_nop,
+	.insert_end = vcn_v2_0_enc_ring_insert_end,
+	.pad_ib = amdgpu_ring_generic_pad_ib,
+	.begin_use = amdgpu_vcn_ring_begin_use,
+	.end_use = amdgpu_vcn_ring_end_use,
+	.emit_wreg = vcn_v2_0_enc_ring_emit_wreg,
+	.emit_reg_wait = vcn_v2_0_enc_ring_emit_reg_wait,
+	.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
+};
+
+static void vcn_v2_5_set_dec_ring_funcs(struct amdgpu_device *adev)
+{
+	int i;
+
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		if (adev->vcn.harvest_config & (1 << i))
+			continue;
+		adev->vcn.inst[i].ring_dec.funcs = &vcn_v2_5_dec_ring_vm_funcs;
+		adev->vcn.inst[i].ring_dec.me = i;
+		DRM_INFO("VCN(%d) decode is enabled in VM mode\n", i);
+	}
+}
+
+static void vcn_v2_5_set_enc_ring_funcs(struct amdgpu_device *adev)
+{
+	int i, j;
+
+	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
+		if (adev->vcn.harvest_config & (1 << j))
+			continue;
+		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
+			adev->vcn.inst[j].ring_enc[i].funcs = &vcn_v2_5_enc_ring_vm_funcs;
+			adev->vcn.inst[j].ring_enc[i].me = j;
+		}
+		DRM_INFO("VCN(%d) encode is enabled in VM mode\n", j);
+	}
+}
+
+static bool vcn_v2_5_is_idle(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	int i, ret = 1;
+
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		if (adev->vcn.harvest_config & (1 << i))
+			continue;
+		ret &= (RREG32_SOC15(VCN, i, mmUVD_STATUS) == UVD_STATUS__IDLE);
+	}
+
+	return ret;
+}
+
+static int vcn_v2_5_wait_for_idle(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	int i, ret = 0;
+
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		if (adev->vcn.harvest_config & (1 << i))
+			continue;
+		ret = SOC15_WAIT_ON_RREG(VCN, i, mmUVD_STATUS, UVD_STATUS__IDLE,
+			UVD_STATUS__IDLE);
+		if (ret)
+			return ret;
+	}
+
+	return ret;
+}
+
+static int vcn_v2_5_set_clockgating_state(void *handle,
+					  enum amd_clockgating_state state)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	bool enable = (state == AMD_CG_STATE_GATE);
+
+	if (amdgpu_sriov_vf(adev))
+		return 0;
+
+	if (enable) {
+		if (!vcn_v2_5_is_idle(handle))
+			return -EBUSY;
+		vcn_v2_5_enable_clock_gating(adev);
+	} else {
+		vcn_v2_5_disable_clock_gating(adev);
+	}
+
+	return 0;
+}
+
+static int vcn_v2_5_set_powergating_state(void *handle,
+					  enum amd_powergating_state state)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	int ret;
+
+	if (amdgpu_sriov_vf(adev))
+		return 0;
+
+	if(state == adev->vcn.cur_state)
+		return 0;
+
+	if (state == AMD_PG_STATE_GATE)
+		ret = vcn_v2_5_stop(adev);
+	else
+		ret = vcn_v2_5_start(adev);
+
+	if(!ret)
+		adev->vcn.cur_state = state;
+
+	return ret;
+}
+
+static int vcn_v2_5_set_interrupt_state(struct amdgpu_device *adev,
+					struct amdgpu_irq_src *source,
+					unsigned type,
+					enum amdgpu_interrupt_state state)
+{
+	return 0;
+}
+
+static int vcn_v2_5_process_interrupt(struct amdgpu_device *adev,
+				      struct amdgpu_irq_src *source,
+				      struct amdgpu_iv_entry *entry)
+{
+	uint32_t ip_instance;
+
+	switch (entry->client_id) {
+	case SOC15_IH_CLIENTID_VCN:
+		ip_instance = 0;
+		break;
+	case SOC15_IH_CLIENTID_VCN1:
+		ip_instance = 1;
+		break;
+	default:
+		DRM_ERROR("Unhandled client id: %d\n", entry->client_id);
+		return 0;
+	}
+
+	DRM_DEBUG("IH: VCN TRAP\n");
+
+	switch (entry->src_id) {
+	case VCN_2_0__SRCID__UVD_SYSTEM_MESSAGE_INTERRUPT:
+		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_dec);
+		break;
+	case VCN_2_0__SRCID__UVD_ENC_GENERAL_PURPOSE:
+		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[0]);
+		break;
+	case VCN_2_0__SRCID__UVD_ENC_LOW_LATENCY:
+		amdgpu_fence_process(&adev->vcn.inst[ip_instance].ring_enc[1]);
+		break;
+	default:
+		DRM_ERROR("Unhandled interrupt: %d %d\n",
+			  entry->src_id, entry->src_data[0]);
+		break;
+	}
+
+	return 0;
+}
+
+static const struct amdgpu_irq_src_funcs vcn_v2_5_irq_funcs = {
+	.set = vcn_v2_5_set_interrupt_state,
+	.process = vcn_v2_5_process_interrupt,
+};
+
+static void vcn_v2_5_set_irq_funcs(struct amdgpu_device *adev)
+{
+	int i;
+
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		if (adev->vcn.harvest_config & (1 << i))
+			continue;
+		adev->vcn.inst[i].irq.num_types = adev->vcn.num_enc_rings + 1;
+		adev->vcn.inst[i].irq.funcs = &vcn_v2_5_irq_funcs;
+	}
+}
+
+static const struct amd_ip_funcs vcn_v2_5_ip_funcs = {
+	.name = "vcn_v2_5",
+	.early_init = vcn_v2_5_early_init,
+	.late_init = NULL,
+	.sw_init = vcn_v2_5_sw_init,
+	.sw_fini = vcn_v2_5_sw_fini,
+	.hw_init = vcn_v2_5_hw_init,
+	.hw_fini = vcn_v2_5_hw_fini,
+	.suspend = vcn_v2_5_suspend,
+	.resume = vcn_v2_5_resume,
+	.is_idle = vcn_v2_5_is_idle,
+	.wait_for_idle = vcn_v2_5_wait_for_idle,
+	.check_soft_reset = NULL,
+	.pre_soft_reset = NULL,
+	.soft_reset = NULL,
+	.post_soft_reset = NULL,
+	.set_clockgating_state = vcn_v2_5_set_clockgating_state,
+	.set_powergating_state = vcn_v2_5_set_powergating_state,
+};
+
+const struct amdgpu_ip_block_version vcn_v2_5_ip_block =
+{
+		.type = AMD_IP_BLOCK_TYPE_VCN,
+		.major = 2,
+		.minor = 5,
+		.rev = 0,
+		.funcs = &vcn_v2_5_ip_funcs,
+};