Adding upstream version 6.1.76.upstream/6.1.76

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

1 files changed, 1186 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
new file mode 100644
index 000000000..02cb3a12d
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -0,0 +1,1186 @@
+/*
+ * Copyright 2013 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * Authors: Christian König <christian.koenig@amd.com>
+ */
+
+#include <linux/firmware.h>
+#include <linux/module.h>
+
+#include <drm/drm.h>
+#include <drm/drm_drv.h>
+
+#include "amdgpu.h"
+#include "amdgpu_pm.h"
+#include "amdgpu_vce.h"
+#include "amdgpu_cs.h"
+#include "cikd.h"
+
+/* 1 second timeout */
+#define VCE_IDLE_TIMEOUT	msecs_to_jiffies(1000)
+
+/* Firmware Names */
+#ifdef CONFIG_DRM_AMDGPU_CIK
+#define FIRMWARE_BONAIRE	"amdgpu/bonaire_vce.bin"
+#define FIRMWARE_KABINI	"amdgpu/kabini_vce.bin"
+#define FIRMWARE_KAVERI	"amdgpu/kaveri_vce.bin"
+#define FIRMWARE_HAWAII	"amdgpu/hawaii_vce.bin"
+#define FIRMWARE_MULLINS	"amdgpu/mullins_vce.bin"
+#endif
+#define FIRMWARE_TONGA		"amdgpu/tonga_vce.bin"
+#define FIRMWARE_CARRIZO	"amdgpu/carrizo_vce.bin"
+#define FIRMWARE_FIJI		"amdgpu/fiji_vce.bin"
+#define FIRMWARE_STONEY		"amdgpu/stoney_vce.bin"
+#define FIRMWARE_POLARIS10	"amdgpu/polaris10_vce.bin"
+#define FIRMWARE_POLARIS11	"amdgpu/polaris11_vce.bin"
+#define FIRMWARE_POLARIS12	"amdgpu/polaris12_vce.bin"
+#define FIRMWARE_VEGAM		"amdgpu/vegam_vce.bin"
+
+#define FIRMWARE_VEGA10		"amdgpu/vega10_vce.bin"
+#define FIRMWARE_VEGA12		"amdgpu/vega12_vce.bin"
+#define FIRMWARE_VEGA20		"amdgpu/vega20_vce.bin"
+
+#ifdef CONFIG_DRM_AMDGPU_CIK
+MODULE_FIRMWARE(FIRMWARE_BONAIRE);
+MODULE_FIRMWARE(FIRMWARE_KABINI);
+MODULE_FIRMWARE(FIRMWARE_KAVERI);
+MODULE_FIRMWARE(FIRMWARE_HAWAII);
+MODULE_FIRMWARE(FIRMWARE_MULLINS);
+#endif
+MODULE_FIRMWARE(FIRMWARE_TONGA);
+MODULE_FIRMWARE(FIRMWARE_CARRIZO);
+MODULE_FIRMWARE(FIRMWARE_FIJI);
+MODULE_FIRMWARE(FIRMWARE_STONEY);
+MODULE_FIRMWARE(FIRMWARE_POLARIS10);
+MODULE_FIRMWARE(FIRMWARE_POLARIS11);
+MODULE_FIRMWARE(FIRMWARE_POLARIS12);
+MODULE_FIRMWARE(FIRMWARE_VEGAM);
+
+MODULE_FIRMWARE(FIRMWARE_VEGA10);
+MODULE_FIRMWARE(FIRMWARE_VEGA12);
+MODULE_FIRMWARE(FIRMWARE_VEGA20);
+
+static void amdgpu_vce_idle_work_handler(struct work_struct *work);
+static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
+				     struct dma_fence **fence);
+static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
+				      bool direct, struct dma_fence **fence);
+
+/**
+ * amdgpu_vce_sw_init - allocate memory, load vce firmware
+ *
+ * @adev: amdgpu_device pointer
+ * @size: size for the new BO
+ *
+ * First step to get VCE online, allocate memory and load the firmware
+ */
+int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
+{
+	const char *fw_name;
+	const struct common_firmware_header *hdr;
+	unsigned ucode_version, version_major, version_minor, binary_id;
+	int i, r;
+
+	switch (adev->asic_type) {
+#ifdef CONFIG_DRM_AMDGPU_CIK
+	case CHIP_BONAIRE:
+		fw_name = FIRMWARE_BONAIRE;
+		break;
+	case CHIP_KAVERI:
+		fw_name = FIRMWARE_KAVERI;
+		break;
+	case CHIP_KABINI:
+		fw_name = FIRMWARE_KABINI;
+		break;
+	case CHIP_HAWAII:
+		fw_name = FIRMWARE_HAWAII;
+		break;
+	case CHIP_MULLINS:
+		fw_name = FIRMWARE_MULLINS;
+		break;
+#endif
+	case CHIP_TONGA:
+		fw_name = FIRMWARE_TONGA;
+		break;
+	case CHIP_CARRIZO:
+		fw_name = FIRMWARE_CARRIZO;
+		break;
+	case CHIP_FIJI:
+		fw_name = FIRMWARE_FIJI;
+		break;
+	case CHIP_STONEY:
+		fw_name = FIRMWARE_STONEY;
+		break;
+	case CHIP_POLARIS10:
+		fw_name = FIRMWARE_POLARIS10;
+		break;
+	case CHIP_POLARIS11:
+		fw_name = FIRMWARE_POLARIS11;
+		break;
+	case CHIP_POLARIS12:
+		fw_name = FIRMWARE_POLARIS12;
+		break;
+	case CHIP_VEGAM:
+		fw_name = FIRMWARE_VEGAM;
+		break;
+	case CHIP_VEGA10:
+		fw_name = FIRMWARE_VEGA10;
+		break;
+	case CHIP_VEGA12:
+		fw_name = FIRMWARE_VEGA12;
+		break;
+	case CHIP_VEGA20:
+		fw_name = FIRMWARE_VEGA20;
+		break;
+
+	default:
+		return -EINVAL;
+	}
+
+	r = request_firmware(&adev->vce.fw, fw_name, adev->dev);
+	if (r) {
+		dev_err(adev->dev, "amdgpu_vce: Can't load firmware \"%s\"\n",
+			fw_name);
+		return r;
+	}
+
+	r = amdgpu_ucode_validate(adev->vce.fw);
+	if (r) {
+		dev_err(adev->dev, "amdgpu_vce: Can't validate firmware \"%s\"\n",
+			fw_name);
+		release_firmware(adev->vce.fw);
+		adev->vce.fw = NULL;
+		return r;
+	}
+
+	hdr = (const struct common_firmware_header *)adev->vce.fw->data;
+
+	ucode_version = le32_to_cpu(hdr->ucode_version);
+	version_major = (ucode_version >> 20) & 0xfff;
+	version_minor = (ucode_version >> 8) & 0xfff;
+	binary_id = ucode_version & 0xff;
+	DRM_INFO("Found VCE firmware Version: %d.%d Binary ID: %d\n",
+		version_major, version_minor, binary_id);
+	adev->vce.fw_version = ((version_major << 24) | (version_minor << 16) |
+				(binary_id << 8));
+
+	r = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE,
+				    AMDGPU_GEM_DOMAIN_VRAM, &adev->vce.vcpu_bo,
+				    &adev->vce.gpu_addr, &adev->vce.cpu_addr);
+	if (r) {
+		dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r);
+		return r;
+	}
+
+	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
+		atomic_set(&adev->vce.handles[i], 0);
+		adev->vce.filp[i] = NULL;
+	}
+
+	INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler);
+	mutex_init(&adev->vce.idle_mutex);
+
+	return 0;
+}
+
+/**
+ * amdgpu_vce_sw_fini - free memory
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Last step on VCE teardown, free firmware memory
+ */
+int amdgpu_vce_sw_fini(struct amdgpu_device *adev)
+{
+	unsigned i;
+
+	if (adev->vce.vcpu_bo == NULL)
+		return 0;
+
+	drm_sched_entity_destroy(&adev->vce.entity);
+
+	amdgpu_bo_free_kernel(&adev->vce.vcpu_bo, &adev->vce.gpu_addr,
+		(void **)&adev->vce.cpu_addr);
+
+	for (i = 0; i < adev->vce.num_rings; i++)
+		amdgpu_ring_fini(&adev->vce.ring[i]);
+
+	release_firmware(adev->vce.fw);
+	mutex_destroy(&adev->vce.idle_mutex);
+
+	return 0;
+}
+
+/**
+ * amdgpu_vce_entity_init - init entity
+ *
+ * @adev: amdgpu_device pointer
+ *
+ */
+int amdgpu_vce_entity_init(struct amdgpu_device *adev)
+{
+	struct amdgpu_ring *ring;
+	struct drm_gpu_scheduler *sched;
+	int r;
+
+	ring = &adev->vce.ring[0];
+	sched = &ring->sched;
+	r = drm_sched_entity_init(&adev->vce.entity, DRM_SCHED_PRIORITY_NORMAL,
+				  &sched, 1, NULL);
+	if (r != 0) {
+		DRM_ERROR("Failed setting up VCE run queue.\n");
+		return r;
+	}
+
+	return 0;
+}
+
+/**
+ * amdgpu_vce_suspend - unpin VCE fw memory
+ *
+ * @adev: amdgpu_device pointer
+ *
+ */
+int amdgpu_vce_suspend(struct amdgpu_device *adev)
+{
+	int i;
+
+	cancel_delayed_work_sync(&adev->vce.idle_work);
+
+	if (adev->vce.vcpu_bo == NULL)
+		return 0;
+
+	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
+		if (atomic_read(&adev->vce.handles[i]))
+			break;
+
+	if (i == AMDGPU_MAX_VCE_HANDLES)
+		return 0;
+
+	/* TODO: suspending running encoding sessions isn't supported */
+	return -EINVAL;
+}
+
+/**
+ * amdgpu_vce_resume - pin VCE fw memory
+ *
+ * @adev: amdgpu_device pointer
+ *
+ */
+int amdgpu_vce_resume(struct amdgpu_device *adev)
+{
+	void *cpu_addr;
+	const struct common_firmware_header *hdr;
+	unsigned offset;
+	int r, idx;
+
+	if (adev->vce.vcpu_bo == NULL)
+		return -EINVAL;
+
+	r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false);
+	if (r) {
+		dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r);
+		return r;
+	}
+
+	r = amdgpu_bo_kmap(adev->vce.vcpu_bo, &cpu_addr);
+	if (r) {
+		amdgpu_bo_unreserve(adev->vce.vcpu_bo);
+		dev_err(adev->dev, "(%d) VCE map failed\n", r);
+		return r;
+	}
+
+	hdr = (const struct common_firmware_header *)adev->vce.fw->data;
+	offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
+
+	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
+		memcpy_toio(cpu_addr, adev->vce.fw->data + offset,
+			    adev->vce.fw->size - offset);
+		drm_dev_exit(idx);
+	}
+
+	amdgpu_bo_kunmap(adev->vce.vcpu_bo);
+
+	amdgpu_bo_unreserve(adev->vce.vcpu_bo);
+
+	return 0;
+}
+
+/**
+ * amdgpu_vce_idle_work_handler - power off VCE
+ *
+ * @work: pointer to work structure
+ *
+ * power of VCE when it's not used any more
+ */
+static void amdgpu_vce_idle_work_handler(struct work_struct *work)
+{
+	struct amdgpu_device *adev =
+		container_of(work, struct amdgpu_device, vce.idle_work.work);
+	unsigned i, count = 0;
+
+	for (i = 0; i < adev->vce.num_rings; i++)
+		count += amdgpu_fence_count_emitted(&adev->vce.ring[i]);
+
+	if (count == 0) {
+		if (adev->pm.dpm_enabled) {
+			amdgpu_dpm_enable_vce(adev, false);
+		} else {
+			amdgpu_asic_set_vce_clocks(adev, 0, 0);
+			amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
+							       AMD_PG_STATE_GATE);
+			amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
+							       AMD_CG_STATE_GATE);
+		}
+	} else {
+		schedule_delayed_work(&adev->vce.idle_work, VCE_IDLE_TIMEOUT);
+	}
+}
+
+/**
+ * amdgpu_vce_ring_begin_use - power up VCE
+ *
+ * @ring: amdgpu ring
+ *
+ * Make sure VCE is powerd up when we want to use it
+ */
+void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring)
+{
+	struct amdgpu_device *adev = ring->adev;
+	bool set_clocks;
+
+	if (amdgpu_sriov_vf(adev))
+		return;
+
+	mutex_lock(&adev->vce.idle_mutex);
+	set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work);
+	if (set_clocks) {
+		if (adev->pm.dpm_enabled) {
+			amdgpu_dpm_enable_vce(adev, true);
+		} else {
+			amdgpu_asic_set_vce_clocks(adev, 53300, 40000);
+			amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
+							       AMD_CG_STATE_UNGATE);
+			amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
+							       AMD_PG_STATE_UNGATE);
+
+		}
+	}
+	mutex_unlock(&adev->vce.idle_mutex);
+}
+
+/**
+ * amdgpu_vce_ring_end_use - power VCE down
+ *
+ * @ring: amdgpu ring
+ *
+ * Schedule work to power VCE down again
+ */
+void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring)
+{
+	if (!amdgpu_sriov_vf(ring->adev))
+		schedule_delayed_work(&ring->adev->vce.idle_work, VCE_IDLE_TIMEOUT);
+}
+
+/**
+ * amdgpu_vce_free_handles - free still open VCE handles
+ *
+ * @adev: amdgpu_device pointer
+ * @filp: drm file pointer
+ *
+ * Close all VCE handles still open by this file pointer
+ */
+void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
+{
+	struct amdgpu_ring *ring = &adev->vce.ring[0];
+	int i, r;
+	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
+		uint32_t handle = atomic_read(&adev->vce.handles[i]);
+
+		if (!handle || adev->vce.filp[i] != filp)
+			continue;
+
+		r = amdgpu_vce_get_destroy_msg(ring, handle, false, NULL);
+		if (r)
+			DRM_ERROR("Error destroying VCE handle (%d)!\n", r);
+
+		adev->vce.filp[i] = NULL;
+		atomic_set(&adev->vce.handles[i], 0);
+	}
+}
+
+/**
+ * amdgpu_vce_get_create_msg - generate a VCE create msg
+ *
+ * @ring: ring we should submit the msg to
+ * @handle: VCE session handle to use
+ * @fence: optional fence to return
+ *
+ * Open up a stream for HW test
+ */
+static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
+				     struct dma_fence **fence)
+{
+	const unsigned ib_size_dw = 1024;
+	struct amdgpu_job *job;
+	struct amdgpu_ib *ib;
+	struct amdgpu_ib ib_msg;
+	struct dma_fence *f = NULL;
+	uint64_t addr;
+	int i, r;
+
+	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
+				     AMDGPU_IB_POOL_DIRECT, &job);
+	if (r)
+		return r;
+
+	memset(&ib_msg, 0, sizeof(ib_msg));
+	/* only one gpu page is needed, alloc +1 page to make addr aligned. */
+	r = amdgpu_ib_get(ring->adev, NULL, AMDGPU_GPU_PAGE_SIZE * 2,
+			  AMDGPU_IB_POOL_DIRECT,
+			  &ib_msg);
+	if (r)
+		goto err;
+
+	ib = &job->ibs[0];
+	/* let addr point to page boundary */
+	addr = AMDGPU_GPU_PAGE_ALIGN(ib_msg.gpu_addr);
+
+	/* stitch together an VCE create msg */
+	ib->length_dw = 0;
+	ib->ptr[ib->length_dw++] = 0x0000000c; /* len */
+	ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */
+	ib->ptr[ib->length_dw++] = handle;
+
+	if ((ring->adev->vce.fw_version >> 24) >= 52)
+		ib->ptr[ib->length_dw++] = 0x00000040; /* len */
+	else
+		ib->ptr[ib->length_dw++] = 0x00000030; /* len */
+	ib->ptr[ib->length_dw++] = 0x01000001; /* create cmd */
+	ib->ptr[ib->length_dw++] = 0x00000000;
+	ib->ptr[ib->length_dw++] = 0x00000042;
+	ib->ptr[ib->length_dw++] = 0x0000000a;
+	ib->ptr[ib->length_dw++] = 0x00000001;
+	ib->ptr[ib->length_dw++] = 0x00000080;
+	ib->ptr[ib->length_dw++] = 0x00000060;
+	ib->ptr[ib->length_dw++] = 0x00000100;
+	ib->ptr[ib->length_dw++] = 0x00000100;
+	ib->ptr[ib->length_dw++] = 0x0000000c;
+	ib->ptr[ib->length_dw++] = 0x00000000;
+	if ((ring->adev->vce.fw_version >> 24) >= 52) {
+		ib->ptr[ib->length_dw++] = 0x00000000;
+		ib->ptr[ib->length_dw++] = 0x00000000;
+		ib->ptr[ib->length_dw++] = 0x00000000;
+		ib->ptr[ib->length_dw++] = 0x00000000;
+	}
+
+	ib->ptr[ib->length_dw++] = 0x00000014; /* len */
+	ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */
+	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
+	ib->ptr[ib->length_dw++] = addr;
+	ib->ptr[ib->length_dw++] = 0x00000001;
+
+	for (i = ib->length_dw; i < ib_size_dw; ++i)
+		ib->ptr[i] = 0x0;
+
+	r = amdgpu_job_submit_direct(job, ring, &f);
+	amdgpu_ib_free(ring->adev, &ib_msg, f);
+	if (r)
+		goto err;
+
+	if (fence)
+		*fence = dma_fence_get(f);
+	dma_fence_put(f);
+	return 0;
+
+err:
+	amdgpu_job_free(job);
+	return r;
+}
+
+/**
+ * amdgpu_vce_get_destroy_msg - generate a VCE destroy msg
+ *
+ * @ring: ring we should submit the msg to
+ * @handle: VCE session handle to use
+ * @direct: direct or delayed pool
+ * @fence: optional fence to return
+ *
+ * Close up a stream for HW test or if userspace failed to do so
+ */
+static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
+				      bool direct, struct dma_fence **fence)
+{
+	const unsigned ib_size_dw = 1024;
+	struct amdgpu_job *job;
+	struct amdgpu_ib *ib;
+	struct dma_fence *f = NULL;
+	int i, r;
+
+	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
+				     direct ? AMDGPU_IB_POOL_DIRECT :
+				     AMDGPU_IB_POOL_DELAYED, &job);
+	if (r)
+		return r;
+
+	ib = &job->ibs[0];
+
+	/* stitch together an VCE destroy msg */
+	ib->length_dw = 0;
+	ib->ptr[ib->length_dw++] = 0x0000000c; /* len */
+	ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */
+	ib->ptr[ib->length_dw++] = handle;
+
+	ib->ptr[ib->length_dw++] = 0x00000020; /* len */
+	ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
+	ib->ptr[ib->length_dw++] = 0xffffffff; /* next task info, set to 0xffffffff if no */
+	ib->ptr[ib->length_dw++] = 0x00000001; /* destroy session */
+	ib->ptr[ib->length_dw++] = 0x00000000;
+	ib->ptr[ib->length_dw++] = 0x00000000;
+	ib->ptr[ib->length_dw++] = 0xffffffff; /* feedback is not needed, set to 0xffffffff and firmware will not output feedback */
+	ib->ptr[ib->length_dw++] = 0x00000000;
+
+	ib->ptr[ib->length_dw++] = 0x00000008; /* len */
+	ib->ptr[ib->length_dw++] = 0x02000001; /* destroy cmd */
+
+	for (i = ib->length_dw; i < ib_size_dw; ++i)
+		ib->ptr[i] = 0x0;
+
+	if (direct)
+		r = amdgpu_job_submit_direct(job, ring, &f);
+	else
+		r = amdgpu_job_submit(job, &ring->adev->vce.entity,
+				      AMDGPU_FENCE_OWNER_UNDEFINED, &f);
+	if (r)
+		goto err;
+
+	if (fence)
+		*fence = dma_fence_get(f);
+	dma_fence_put(f);
+	return 0;
+
+err:
+	amdgpu_job_free(job);
+	return r;
+}
+
+/**
+ * amdgpu_vce_validate_bo - make sure not to cross 4GB boundary
+ *
+ * @ib: indirect buffer to use
+ * @lo: address of lower dword
+ * @hi: address of higher dword
+ * @size: minimum size
+ * @index: bs/fb index
+ *
+ * Make sure that no BO cross a 4GB boundary.
+ */
+static int amdgpu_vce_validate_bo(struct amdgpu_cs_parser *p,
+				  struct amdgpu_ib *ib, int lo, int hi,
+				  unsigned size, int32_t index)
+{
+	int64_t offset = ((uint64_t)size) * ((int64_t)index);
+	struct ttm_operation_ctx ctx = { false, false };
+	struct amdgpu_bo_va_mapping *mapping;
+	unsigned i, fpfn, lpfn;
+	struct amdgpu_bo *bo;
+	uint64_t addr;
+	int r;
+
+	addr = ((uint64_t)amdgpu_ib_get_value(ib, lo)) |
+	       ((uint64_t)amdgpu_ib_get_value(ib, hi)) << 32;
+	if (index >= 0) {
+		addr += offset;
+		fpfn = PAGE_ALIGN(offset) >> PAGE_SHIFT;
+		lpfn = 0x100000000ULL >> PAGE_SHIFT;
+	} else {
+		fpfn = 0;
+		lpfn = (0x100000000ULL - PAGE_ALIGN(offset)) >> PAGE_SHIFT;
+	}
+
+	r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping);
+	if (r) {
+		DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n",
+			  addr, lo, hi, size, index);
+		return r;
+	}
+
+	for (i = 0; i < bo->placement.num_placement; ++i) {
+		bo->placements[i].fpfn = max(bo->placements[i].fpfn, fpfn);
+		bo->placements[i].lpfn = bo->placements[i].lpfn ?
+			min(bo->placements[i].lpfn, lpfn) : lpfn;
+	}
+	return ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
+}
+
+
+/**
+ * amdgpu_vce_cs_reloc - command submission relocation
+ *
+ * @p: parser context
+ * @ib: indirect buffer to use
+ * @lo: address of lower dword
+ * @hi: address of higher dword
+ * @size: minimum size
+ * @index: bs/fb index
+ *
+ * Patch relocation inside command stream with real buffer address
+ */
+static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, struct amdgpu_ib *ib,
+			       int lo, int hi, unsigned size, uint32_t index)
+{
+	struct amdgpu_bo_va_mapping *mapping;
+	struct amdgpu_bo *bo;
+	uint64_t addr;
+	int r;
+
+	if (index == 0xffffffff)
+		index = 0;
+
+	addr = ((uint64_t)amdgpu_ib_get_value(ib, lo)) |
+	       ((uint64_t)amdgpu_ib_get_value(ib, hi)) << 32;
+	addr += ((uint64_t)size) * ((uint64_t)index);
+
+	r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping);
+	if (r) {
+		DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n",
+			  addr, lo, hi, size, index);
+		return r;
+	}
+
+	if ((addr + (uint64_t)size) >
+	    (mapping->last + 1) * AMDGPU_GPU_PAGE_SIZE) {
+		DRM_ERROR("BO too small for addr 0x%010Lx %d %d\n",
+			  addr, lo, hi);
+		return -EINVAL;
+	}
+
+	addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE;
+	addr += amdgpu_bo_gpu_offset(bo);
+	addr -= ((uint64_t)size) * ((uint64_t)index);
+
+	amdgpu_ib_set_value(ib, lo, lower_32_bits(addr));
+	amdgpu_ib_set_value(ib, hi, upper_32_bits(addr));
+
+	return 0;
+}
+
+/**
+ * amdgpu_vce_validate_handle - validate stream handle
+ *
+ * @p: parser context
+ * @handle: handle to validate
+ * @allocated: allocated a new handle?
+ *
+ * Validates the handle and return the found session index or -EINVAL
+ * we we don't have another free session index.
+ */
+static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p,
+				      uint32_t handle, uint32_t *allocated)
+{
+	unsigned i;
+
+	/* validate the handle */
+	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
+		if (atomic_read(&p->adev->vce.handles[i]) == handle) {
+			if (p->adev->vce.filp[i] != p->filp) {
+				DRM_ERROR("VCE handle collision detected!\n");
+				return -EINVAL;
+			}
+			return i;
+		}
+	}
+
+	/* handle not found try to alloc a new one */
+	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
+		if (!atomic_cmpxchg(&p->adev->vce.handles[i], 0, handle)) {
+			p->adev->vce.filp[i] = p->filp;
+			p->adev->vce.img_size[i] = 0;
+			*allocated |= 1 << i;
+			return i;
+		}
+	}
+
+	DRM_ERROR("No more free VCE handles!\n");
+	return -EINVAL;
+}
+
+/**
+ * amdgpu_vce_ring_parse_cs - parse and validate the command stream
+ *
+ * @p: parser context
+ * @job: the job to parse
+ * @ib: the IB to patch
+ */
+int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p,
+			     struct amdgpu_job *job,
+			     struct amdgpu_ib *ib)
+{
+	unsigned fb_idx = 0, bs_idx = 0;
+	int session_idx = -1;
+	uint32_t destroyed = 0;
+	uint32_t created = 0;
+	uint32_t allocated = 0;
+	uint32_t tmp, handle = 0;
+	uint32_t *size = &tmp;
+	unsigned idx;
+	int i, r = 0;
+
+	job->vm = NULL;
+	ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
+
+	for (idx = 0; idx < ib->length_dw;) {
+		uint32_t len = amdgpu_ib_get_value(ib, idx);
+		uint32_t cmd = amdgpu_ib_get_value(ib, idx + 1);
+
+		if ((len < 8) || (len & 3)) {
+			DRM_ERROR("invalid VCE command length (%d)!\n", len);
+			r = -EINVAL;
+			goto out;
+		}
+
+		switch (cmd) {
+		case 0x00000002: /* task info */
+			fb_idx = amdgpu_ib_get_value(ib, idx + 6);
+			bs_idx = amdgpu_ib_get_value(ib, idx + 7);
+			break;
+
+		case 0x03000001: /* encode */
+			r = amdgpu_vce_validate_bo(p, ib, idx + 10, idx + 9,
+						   0, 0);
+			if (r)
+				goto out;
+
+			r = amdgpu_vce_validate_bo(p, ib, idx + 12, idx + 11,
+						   0, 0);
+			if (r)
+				goto out;
+			break;
+
+		case 0x05000001: /* context buffer */
+			r = amdgpu_vce_validate_bo(p, ib, idx + 3, idx + 2,
+						   0, 0);
+			if (r)
+				goto out;
+			break;
+
+		case 0x05000004: /* video bitstream buffer */
+			tmp = amdgpu_ib_get_value(ib, idx + 4);
+			r = amdgpu_vce_validate_bo(p, ib, idx + 3, idx + 2,
+						   tmp, bs_idx);
+			if (r)
+				goto out;
+			break;
+
+		case 0x05000005: /* feedback buffer */
+			r = amdgpu_vce_validate_bo(p, ib, idx + 3, idx + 2,
+						   4096, fb_idx);
+			if (r)
+				goto out;
+			break;
+
+		case 0x0500000d: /* MV buffer */
+			r = amdgpu_vce_validate_bo(p, ib, idx + 3, idx + 2,
+						   0, 0);
+			if (r)
+				goto out;
+
+			r = amdgpu_vce_validate_bo(p, ib, idx + 8, idx + 7,
+						   0, 0);
+			if (r)
+				goto out;
+			break;
+		}
+
+		idx += len / 4;
+	}
+
+	for (idx = 0; idx < ib->length_dw;) {
+		uint32_t len = amdgpu_ib_get_value(ib, idx);
+		uint32_t cmd = amdgpu_ib_get_value(ib, idx + 1);
+
+		switch (cmd) {
+		case 0x00000001: /* session */
+			handle = amdgpu_ib_get_value(ib, idx + 2);
+			session_idx = amdgpu_vce_validate_handle(p, handle,
+								 &allocated);
+			if (session_idx < 0) {
+				r = session_idx;
+				goto out;
+			}
+			size = &p->adev->vce.img_size[session_idx];
+			break;
+
+		case 0x00000002: /* task info */
+			fb_idx = amdgpu_ib_get_value(ib, idx + 6);
+			bs_idx = amdgpu_ib_get_value(ib, idx + 7);
+			break;
+
+		case 0x01000001: /* create */
+			created |= 1 << session_idx;
+			if (destroyed & (1 << session_idx)) {
+				destroyed &= ~(1 << session_idx);
+				allocated |= 1 << session_idx;
+
+			} else if (!(allocated & (1 << session_idx))) {
+				DRM_ERROR("Handle already in use!\n");
+				r = -EINVAL;
+				goto out;
+			}
+
+			*size = amdgpu_ib_get_value(ib, idx + 8) *
+				amdgpu_ib_get_value(ib, idx + 10) *
+				8 * 3 / 2;
+			break;
+
+		case 0x04000001: /* config extension */
+		case 0x04000002: /* pic control */
+		case 0x04000005: /* rate control */
+		case 0x04000007: /* motion estimation */
+		case 0x04000008: /* rdo */
+		case 0x04000009: /* vui */
+		case 0x05000002: /* auxiliary buffer */
+		case 0x05000009: /* clock table */
+			break;
+
+		case 0x0500000c: /* hw config */
+			switch (p->adev->asic_type) {
+#ifdef CONFIG_DRM_AMDGPU_CIK
+			case CHIP_KAVERI:
+			case CHIP_MULLINS:
+#endif
+			case CHIP_CARRIZO:
+				break;
+			default:
+				r = -EINVAL;
+				goto out;
+			}
+			break;
+
+		case 0x03000001: /* encode */
+			r = amdgpu_vce_cs_reloc(p, ib, idx + 10, idx + 9,
+						*size, 0);
+			if (r)
+				goto out;
+
+			r = amdgpu_vce_cs_reloc(p, ib, idx + 12, idx + 11,
+						*size / 3, 0);
+			if (r)
+				goto out;
+			break;
+
+		case 0x02000001: /* destroy */
+			destroyed |= 1 << session_idx;
+			break;
+
+		case 0x05000001: /* context buffer */
+			r = amdgpu_vce_cs_reloc(p, ib, idx + 3, idx + 2,
+						*size * 2, 0);
+			if (r)
+				goto out;
+			break;
+
+		case 0x05000004: /* video bitstream buffer */
+			tmp = amdgpu_ib_get_value(ib, idx + 4);
+			r = amdgpu_vce_cs_reloc(p, ib, idx + 3, idx + 2,
+						tmp, bs_idx);
+			if (r)
+				goto out;
+			break;
+
+		case 0x05000005: /* feedback buffer */
+			r = amdgpu_vce_cs_reloc(p, ib, idx + 3, idx + 2,
+						4096, fb_idx);
+			if (r)
+				goto out;
+			break;
+
+		case 0x0500000d: /* MV buffer */
+			r = amdgpu_vce_cs_reloc(p, ib, idx + 3,
+						idx + 2, *size, 0);
+			if (r)
+				goto out;
+
+			r = amdgpu_vce_cs_reloc(p, ib, idx + 8,
+						idx + 7, *size / 12, 0);
+			if (r)
+				goto out;
+			break;
+
+		default:
+			DRM_ERROR("invalid VCE command (0x%x)!\n", cmd);
+			r = -EINVAL;
+			goto out;
+		}
+
+		if (session_idx == -1) {
+			DRM_ERROR("no session command at start of IB\n");
+			r = -EINVAL;
+			goto out;
+		}
+
+		idx += len / 4;
+	}
+
+	if (allocated & ~created) {
+		DRM_ERROR("New session without create command!\n");
+		r = -ENOENT;
+	}
+
+out:
+	if (!r) {
+		/* No error, free all destroyed handle slots */
+		tmp = destroyed;
+	} else {
+		/* Error during parsing, free all allocated handle slots */
+		tmp = allocated;
+	}
+
+	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
+		if (tmp & (1 << i))
+			atomic_set(&p->adev->vce.handles[i], 0);
+
+	return r;
+}
+
+/**
+ * amdgpu_vce_ring_parse_cs_vm - parse the command stream in VM mode
+ *
+ * @p: parser context
+ * @job: the job to parse
+ * @ib: the IB to patch
+ */
+int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p,
+				struct amdgpu_job *job,
+				struct amdgpu_ib *ib)
+{
+	int session_idx = -1;
+	uint32_t destroyed = 0;
+	uint32_t created = 0;
+	uint32_t allocated = 0;
+	uint32_t tmp, handle = 0;
+	int i, r = 0, idx = 0;
+
+	while (idx < ib->length_dw) {
+		uint32_t len = amdgpu_ib_get_value(ib, idx);
+		uint32_t cmd = amdgpu_ib_get_value(ib, idx + 1);
+
+		if ((len < 8) || (len & 3)) {
+			DRM_ERROR("invalid VCE command length (%d)!\n", len);
+			r = -EINVAL;
+			goto out;
+		}
+
+		switch (cmd) {
+		case 0x00000001: /* session */
+			handle = amdgpu_ib_get_value(ib, idx + 2);
+			session_idx = amdgpu_vce_validate_handle(p, handle,
+								 &allocated);
+			if (session_idx < 0) {
+				r = session_idx;
+				goto out;
+			}
+			break;
+
+		case 0x01000001: /* create */
+			created |= 1 << session_idx;
+			if (destroyed & (1 << session_idx)) {
+				destroyed &= ~(1 << session_idx);
+				allocated |= 1 << session_idx;
+
+			} else if (!(allocated & (1 << session_idx))) {
+				DRM_ERROR("Handle already in use!\n");
+				r = -EINVAL;
+				goto out;
+			}
+
+			break;
+
+		case 0x02000001: /* destroy */
+			destroyed |= 1 << session_idx;
+			break;
+
+		default:
+			break;
+		}
+
+		if (session_idx == -1) {
+			DRM_ERROR("no session command at start of IB\n");
+			r = -EINVAL;
+			goto out;
+		}
+
+		idx += len / 4;
+	}
+
+	if (allocated & ~created) {
+		DRM_ERROR("New session without create command!\n");
+		r = -ENOENT;
+	}
+
+out:
+	if (!r) {
+		/* No error, free all destroyed handle slots */
+		tmp = destroyed;
+		amdgpu_ib_free(p->adev, ib, NULL);
+	} else {
+		/* Error during parsing, free all allocated handle slots */
+		tmp = allocated;
+	}
+
+	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
+		if (tmp & (1 << i))
+			atomic_set(&p->adev->vce.handles[i], 0);
+
+	return r;
+}
+
+/**
+ * amdgpu_vce_ring_emit_ib - execute indirect buffer
+ *
+ * @ring: engine to use
+ * @job: job to retrieve vmid from
+ * @ib: the IB to execute
+ * @flags: unused
+ *
+ */
+void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring,
+				struct amdgpu_job *job,
+				struct amdgpu_ib *ib,
+				uint32_t flags)
+{
+	amdgpu_ring_write(ring, VCE_CMD_IB);
+	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
+	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
+	amdgpu_ring_write(ring, ib->length_dw);
+}
+
+/**
+ * amdgpu_vce_ring_emit_fence - add a fence command to the ring
+ *
+ * @ring: engine to use
+ * @addr: address
+ * @seq: sequence number
+ * @flags: fence related flags
+ *
+ */
+void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
+				unsigned flags)
+{
+	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
+
+	amdgpu_ring_write(ring, VCE_CMD_FENCE);
+	amdgpu_ring_write(ring, addr);
+	amdgpu_ring_write(ring, upper_32_bits(addr));
+	amdgpu_ring_write(ring, seq);
+	amdgpu_ring_write(ring, VCE_CMD_TRAP);
+	amdgpu_ring_write(ring, VCE_CMD_END);
+}
+
+/**
+ * amdgpu_vce_ring_test_ring - test if VCE ring is working
+ *
+ * @ring: the engine to test on
+ *
+ */
+int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring)
+{
+	struct amdgpu_device *adev = ring->adev;
+	uint32_t rptr;
+	unsigned i;
+	int r, timeout = adev->usec_timeout;
+
+	/* skip ring test for sriov*/
+	if (amdgpu_sriov_vf(adev))
+		return 0;
+
+	r = amdgpu_ring_alloc(ring, 16);
+	if (r)
+		return r;
+
+	rptr = amdgpu_ring_get_rptr(ring);
+
+	amdgpu_ring_write(ring, VCE_CMD_END);
+	amdgpu_ring_commit(ring);
+
+	for (i = 0; i < timeout; i++) {
+		if (amdgpu_ring_get_rptr(ring) != rptr)
+			break;
+		udelay(1);
+	}
+
+	if (i >= timeout)
+		r = -ETIMEDOUT;
+
+	return r;
+}
+
+/**
+ * amdgpu_vce_ring_test_ib - test if VCE IBs are working
+ *
+ * @ring: the engine to test on
+ * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
+ *
+ */
+int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout)
+{
+	struct dma_fence *fence = NULL;
+	long r;
+
+	/* skip vce ring1/2 ib test for now, since it's not reliable */
+	if (ring != &ring->adev->vce.ring[0])
+		return 0;
+
+	r = amdgpu_vce_get_create_msg(ring, 1, NULL);
+	if (r)
+		goto error;
+
+	r = amdgpu_vce_get_destroy_msg(ring, 1, true, &fence);
+	if (r)
+		goto error;
+
+	r = dma_fence_wait_timeout(fence, false, timeout);
+	if (r == 0)
+		r = -ETIMEDOUT;
+	else if (r > 0)
+		r = 0;
+
+error:
+	dma_fence_put(fence);
+	return r;
+}
+
+enum amdgpu_ring_priority_level amdgpu_vce_get_ring_prio(int ring)
+{
+	switch(ring) {
+	case 0:
+		return AMDGPU_RING_PRIO_0;
+	case 1:
+		return AMDGPU_RING_PRIO_1;
+	case 2:
+		return AMDGPU_RING_PRIO_2;
+	default:
+		return AMDGPU_RING_PRIO_0;
+	}
+}