Linux-libre 4.2-gnu

1 files changed, 621 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
new file mode 100644
index 000000000..d1064ca36
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c
@@ -0,0 +1,621 @@
+/*
+ * Copyright 2014 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 <drm/drmP.h>
+#include "amdgpu.h"
+#include "amdgpu_vce.h"
+#include "vid.h"
+#include "vce/vce_3_0_d.h"
+#include "vce/vce_3_0_sh_mask.h"
+#include "oss/oss_2_0_d.h"
+#include "oss/oss_2_0_sh_mask.h"
+#include "gca/gfx_8_0_d.h"
+#include "smu/smu_7_1_2_d.h"
+#include "smu/smu_7_1_2_sh_mask.h"
+
+#define GRBM_GFX_INDEX__VCE_INSTANCE__SHIFT	0x04
+#define GRBM_GFX_INDEX__VCE_INSTANCE_MASK	0x10
+
+#define VCE_V3_0_FW_SIZE	(384 * 1024)
+#define VCE_V3_0_STACK_SIZE	(64 * 1024)
+#define VCE_V3_0_DATA_SIZE	((16 * 1024 * AMDGPU_MAX_VCE_HANDLES) + (52 * 1024))
+
+static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx);
+static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev);
+static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev);
+
+/**
+ * vce_v3_0_ring_get_rptr - get read pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware read pointer
+ */
+static uint32_t vce_v3_0_ring_get_rptr(struct amdgpu_ring *ring)
+{
+	struct amdgpu_device *adev = ring->adev;
+
+	if (ring == &adev->vce.ring[0])
+		return RREG32(mmVCE_RB_RPTR);
+	else
+		return RREG32(mmVCE_RB_RPTR2);
+}
+
+/**
+ * vce_v3_0_ring_get_wptr - get write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware write pointer
+ */
+static uint32_t vce_v3_0_ring_get_wptr(struct amdgpu_ring *ring)
+{
+	struct amdgpu_device *adev = ring->adev;
+
+	if (ring == &adev->vce.ring[0])
+		return RREG32(mmVCE_RB_WPTR);
+	else
+		return RREG32(mmVCE_RB_WPTR2);
+}
+
+/**
+ * vce_v3_0_ring_set_wptr - set write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Commits the write pointer to the hardware
+ */
+static void vce_v3_0_ring_set_wptr(struct amdgpu_ring *ring)
+{
+	struct amdgpu_device *adev = ring->adev;
+
+	if (ring == &adev->vce.ring[0])
+		WREG32(mmVCE_RB_WPTR, ring->wptr);
+	else
+		WREG32(mmVCE_RB_WPTR2, ring->wptr);
+}
+
+/**
+ * vce_v3_0_start - start VCE block
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Setup and start the VCE block
+ */
+static int vce_v3_0_start(struct amdgpu_device *adev)
+{
+	struct amdgpu_ring *ring;
+	int idx, i, j, r;
+
+	mutex_lock(&adev->grbm_idx_mutex);
+	for (idx = 0; idx < 2; ++idx) {
+
+		if (adev->vce.harvest_config & (1 << idx))
+			continue;
+
+		if(idx == 0)
+			WREG32_P(mmGRBM_GFX_INDEX, 0,
+				~GRBM_GFX_INDEX__VCE_INSTANCE_MASK);
+		else
+			WREG32_P(mmGRBM_GFX_INDEX,
+				GRBM_GFX_INDEX__VCE_INSTANCE_MASK,
+				~GRBM_GFX_INDEX__VCE_INSTANCE_MASK);
+
+		vce_v3_0_mc_resume(adev, idx);
+
+		/* set BUSY flag */
+		WREG32_P(mmVCE_STATUS, 1, ~1);
+
+		WREG32_P(mmVCE_VCPU_CNTL, VCE_VCPU_CNTL__CLK_EN_MASK,
+			~VCE_VCPU_CNTL__CLK_EN_MASK);
+
+		WREG32_P(mmVCE_SOFT_RESET,
+			 VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
+			 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
+
+		mdelay(100);
+
+		WREG32_P(mmVCE_SOFT_RESET, 0,
+			~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
+
+		for (i = 0; i < 10; ++i) {
+			uint32_t status;
+			for (j = 0; j < 100; ++j) {
+				status = RREG32(mmVCE_STATUS);
+				if (status & 2)
+					break;
+				mdelay(10);
+			}
+			r = 0;
+			if (status & 2)
+				break;
+
+			DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
+			WREG32_P(mmVCE_SOFT_RESET,
+				VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
+				~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
+			mdelay(10);
+			WREG32_P(mmVCE_SOFT_RESET, 0,
+				~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
+			mdelay(10);
+			r = -1;
+		}
+
+		/* clear BUSY flag */
+		WREG32_P(mmVCE_STATUS, 0, ~1);
+
+		if (r) {
+			DRM_ERROR("VCE not responding, giving up!!!\n");
+			mutex_unlock(&adev->grbm_idx_mutex);
+			return r;
+		}
+	}
+
+	WREG32_P(mmGRBM_GFX_INDEX, 0, ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK);
+	mutex_unlock(&adev->grbm_idx_mutex);
+
+	ring = &adev->vce.ring[0];
+	WREG32(mmVCE_RB_RPTR, ring->wptr);
+	WREG32(mmVCE_RB_WPTR, ring->wptr);
+	WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr);
+	WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
+	WREG32(mmVCE_RB_SIZE, ring->ring_size / 4);
+
+	ring = &adev->vce.ring[1];
+	WREG32(mmVCE_RB_RPTR2, ring->wptr);
+	WREG32(mmVCE_RB_WPTR2, ring->wptr);
+	WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr);
+	WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
+	WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4);
+
+	return 0;
+}
+
+#define ixVCE_HARVEST_FUSE_MACRO__ADDRESS     0xC0014074
+#define VCE_HARVEST_FUSE_MACRO__SHIFT       27
+#define VCE_HARVEST_FUSE_MACRO__MASK        0x18000000
+
+static unsigned vce_v3_0_get_harvest_config(struct amdgpu_device *adev)
+{
+	u32 tmp;
+	unsigned ret;
+
+	if (adev->flags & AMDGPU_IS_APU)
+		tmp = (RREG32_SMC(ixVCE_HARVEST_FUSE_MACRO__ADDRESS) &
+		       VCE_HARVEST_FUSE_MACRO__MASK) >>
+			VCE_HARVEST_FUSE_MACRO__SHIFT;
+	else
+		tmp = (RREG32_SMC(ixCC_HARVEST_FUSES) &
+		       CC_HARVEST_FUSES__VCE_DISABLE_MASK) >>
+			CC_HARVEST_FUSES__VCE_DISABLE__SHIFT;
+
+	switch (tmp) {
+	case 1:
+		ret = AMDGPU_VCE_HARVEST_VCE0;
+		break;
+	case 2:
+		ret = AMDGPU_VCE_HARVEST_VCE1;
+		break;
+	case 3:
+		ret = AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1;
+		break;
+	default:
+		ret = 0;
+	}
+
+	return ret;
+}
+
+static int vce_v3_0_early_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	adev->vce.harvest_config = vce_v3_0_get_harvest_config(adev);
+
+	if ((adev->vce.harvest_config &
+	     (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1)) ==
+	    (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1))
+		return -ENOENT;
+
+	vce_v3_0_set_ring_funcs(adev);
+	vce_v3_0_set_irq_funcs(adev);
+
+	return 0;
+}
+
+static int vce_v3_0_sw_init(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	struct amdgpu_ring *ring;
+	int r;
+
+	/* VCE */
+	r = amdgpu_irq_add_id(adev, 167, &adev->vce.irq);
+	if (r)
+		return r;
+
+	r = amdgpu_vce_sw_init(adev, VCE_V3_0_FW_SIZE +
+		(VCE_V3_0_STACK_SIZE + VCE_V3_0_DATA_SIZE) * 2);
+	if (r)
+		return r;
+
+	r = amdgpu_vce_resume(adev);
+	if (r)
+		return r;
+
+	ring = &adev->vce.ring[0];
+	sprintf(ring->name, "vce0");
+	r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf,
+			     &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE);
+	if (r)
+		return r;
+
+	ring = &adev->vce.ring[1];
+	sprintf(ring->name, "vce1");
+	r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf,
+			     &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE);
+	if (r)
+		return r;
+
+	return r;
+}
+
+static int vce_v3_0_sw_fini(void *handle)
+{
+	int r;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	r = amdgpu_vce_suspend(adev);
+	if (r)
+		return r;
+
+	r = amdgpu_vce_sw_fini(adev);
+	if (r)
+		return r;
+
+	return r;
+}
+
+static int vce_v3_0_hw_init(void *handle)
+{
+	struct amdgpu_ring *ring;
+	int r;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	r = vce_v3_0_start(adev);
+	if (r)
+		return r;
+
+	ring = &adev->vce.ring[0];
+	ring->ready = true;
+	r = amdgpu_ring_test_ring(ring);
+	if (r) {
+		ring->ready = false;
+		return r;
+	}
+
+	ring = &adev->vce.ring[1];
+	ring->ready = true;
+	r = amdgpu_ring_test_ring(ring);
+	if (r) {
+		ring->ready = false;
+		return r;
+	}
+
+	DRM_INFO("VCE initialized successfully.\n");
+
+	return 0;
+}
+
+static int vce_v3_0_hw_fini(void *handle)
+{
+	return 0;
+}
+
+static int vce_v3_0_suspend(void *handle)
+{
+	int r;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	r = vce_v3_0_hw_fini(adev);
+	if (r)
+		return r;
+
+	r = amdgpu_vce_suspend(adev);
+	if (r)
+		return r;
+
+	return r;
+}
+
+static int vce_v3_0_resume(void *handle)
+{
+	int r;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	r = amdgpu_vce_resume(adev);
+	if (r)
+		return r;
+
+	r = vce_v3_0_hw_init(adev);
+	if (r)
+		return r;
+
+	return r;
+}
+
+static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx)
+{
+	uint32_t offset, size;
+
+	WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16));
+	WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
+	WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
+	WREG32(mmVCE_CLOCK_GATING_B, 0xf7);
+
+	WREG32(mmVCE_LMI_CTRL, 0x00398000);
+	WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1);
+	WREG32(mmVCE_LMI_SWAP_CNTL, 0);
+	WREG32(mmVCE_LMI_SWAP_CNTL1, 0);
+	WREG32(mmVCE_LMI_VM_CTRL, 0);
+
+	WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR, (adev->vce.gpu_addr >> 8));
+	offset = AMDGPU_VCE_FIRMWARE_OFFSET;
+	size = VCE_V3_0_FW_SIZE;
+	WREG32(mmVCE_VCPU_CACHE_OFFSET0, offset & 0x7fffffff);
+	WREG32(mmVCE_VCPU_CACHE_SIZE0, size);
+
+	if (idx == 0) {
+		offset += size;
+		size = VCE_V3_0_STACK_SIZE;
+		WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0x7fffffff);
+		WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
+		offset += size;
+		size = VCE_V3_0_DATA_SIZE;
+		WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0x7fffffff);
+		WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
+	} else {
+		offset += size + VCE_V3_0_STACK_SIZE + VCE_V3_0_DATA_SIZE;
+		size = VCE_V3_0_STACK_SIZE;
+		WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0xfffffff);
+		WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
+		offset += size;
+		size = VCE_V3_0_DATA_SIZE;
+		WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0xfffffff);
+		WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
+	}
+
+	WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100);
+
+	WREG32_P(mmVCE_SYS_INT_EN, VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK,
+		 ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
+}
+
+static bool vce_v3_0_is_idle(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	return !(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK);
+}
+
+static int vce_v3_0_wait_for_idle(void *handle)
+{
+	unsigned i;
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	for (i = 0; i < adev->usec_timeout; i++) {
+		if (!(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK))
+			return 0;
+	}
+	return -ETIMEDOUT;
+}
+
+static int vce_v3_0_soft_reset(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK,
+			~SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK);
+	mdelay(5);
+
+	return vce_v3_0_start(adev);
+}
+
+static void vce_v3_0_print_status(void *handle)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	dev_info(adev->dev, "VCE 3.0 registers\n");
+	dev_info(adev->dev, "  VCE_STATUS=0x%08X\n",
+		 RREG32(mmVCE_STATUS));
+	dev_info(adev->dev, "  VCE_VCPU_CNTL=0x%08X\n",
+		 RREG32(mmVCE_VCPU_CNTL));
+	dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET0=0x%08X\n",
+		 RREG32(mmVCE_VCPU_CACHE_OFFSET0));
+	dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE0=0x%08X\n",
+		 RREG32(mmVCE_VCPU_CACHE_SIZE0));
+	dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET1=0x%08X\n",
+		 RREG32(mmVCE_VCPU_CACHE_OFFSET1));
+	dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE1=0x%08X\n",
+		 RREG32(mmVCE_VCPU_CACHE_SIZE1));
+	dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET2=0x%08X\n",
+		 RREG32(mmVCE_VCPU_CACHE_OFFSET2));
+	dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE2=0x%08X\n",
+		 RREG32(mmVCE_VCPU_CACHE_SIZE2));
+	dev_info(adev->dev, "  VCE_SOFT_RESET=0x%08X\n",
+		 RREG32(mmVCE_SOFT_RESET));
+	dev_info(adev->dev, "  VCE_RB_BASE_LO2=0x%08X\n",
+		 RREG32(mmVCE_RB_BASE_LO2));
+	dev_info(adev->dev, "  VCE_RB_BASE_HI2=0x%08X\n",
+		 RREG32(mmVCE_RB_BASE_HI2));
+	dev_info(adev->dev, "  VCE_RB_SIZE2=0x%08X\n",
+		 RREG32(mmVCE_RB_SIZE2));
+	dev_info(adev->dev, "  VCE_RB_RPTR2=0x%08X\n",
+		 RREG32(mmVCE_RB_RPTR2));
+	dev_info(adev->dev, "  VCE_RB_WPTR2=0x%08X\n",
+		 RREG32(mmVCE_RB_WPTR2));
+	dev_info(adev->dev, "  VCE_RB_BASE_LO=0x%08X\n",
+		 RREG32(mmVCE_RB_BASE_LO));
+	dev_info(adev->dev, "  VCE_RB_BASE_HI=0x%08X\n",
+		 RREG32(mmVCE_RB_BASE_HI));
+	dev_info(adev->dev, "  VCE_RB_SIZE=0x%08X\n",
+		 RREG32(mmVCE_RB_SIZE));
+	dev_info(adev->dev, "  VCE_RB_RPTR=0x%08X\n",
+		 RREG32(mmVCE_RB_RPTR));
+	dev_info(adev->dev, "  VCE_RB_WPTR=0x%08X\n",
+		 RREG32(mmVCE_RB_WPTR));
+	dev_info(adev->dev, "  VCE_CLOCK_GATING_A=0x%08X\n",
+		 RREG32(mmVCE_CLOCK_GATING_A));
+	dev_info(adev->dev, "  VCE_CLOCK_GATING_B=0x%08X\n",
+		 RREG32(mmVCE_CLOCK_GATING_B));
+	dev_info(adev->dev, "  VCE_UENC_CLOCK_GATING=0x%08X\n",
+		 RREG32(mmVCE_UENC_CLOCK_GATING));
+	dev_info(adev->dev, "  VCE_UENC_REG_CLOCK_GATING=0x%08X\n",
+		 RREG32(mmVCE_UENC_REG_CLOCK_GATING));
+	dev_info(adev->dev, "  VCE_SYS_INT_EN=0x%08X\n",
+		 RREG32(mmVCE_SYS_INT_EN));
+	dev_info(adev->dev, "  VCE_LMI_CTRL2=0x%08X\n",
+		 RREG32(mmVCE_LMI_CTRL2));
+	dev_info(adev->dev, "  VCE_LMI_CTRL=0x%08X\n",
+		 RREG32(mmVCE_LMI_CTRL));
+	dev_info(adev->dev, "  VCE_LMI_VM_CTRL=0x%08X\n",
+		 RREG32(mmVCE_LMI_VM_CTRL));
+	dev_info(adev->dev, "  VCE_LMI_SWAP_CNTL=0x%08X\n",
+		 RREG32(mmVCE_LMI_SWAP_CNTL));
+	dev_info(adev->dev, "  VCE_LMI_SWAP_CNTL1=0x%08X\n",
+		 RREG32(mmVCE_LMI_SWAP_CNTL1));
+	dev_info(adev->dev, "  VCE_LMI_CACHE_CTRL=0x%08X\n",
+		 RREG32(mmVCE_LMI_CACHE_CTRL));
+}
+
+static int vce_v3_0_set_interrupt_state(struct amdgpu_device *adev,
+					struct amdgpu_irq_src *source,
+					unsigned type,
+					enum amdgpu_interrupt_state state)
+{
+	uint32_t val = 0;
+
+	if (state == AMDGPU_IRQ_STATE_ENABLE)
+		val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK;
+
+	WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
+	return 0;
+}
+
+static int vce_v3_0_process_interrupt(struct amdgpu_device *adev,
+				      struct amdgpu_irq_src *source,
+				      struct amdgpu_iv_entry *entry)
+{
+	DRM_DEBUG("IH: VCE\n");
+	switch (entry->src_data) {
+	case 0:
+		amdgpu_fence_process(&adev->vce.ring[0]);
+		break;
+	case 1:
+		amdgpu_fence_process(&adev->vce.ring[1]);
+		break;
+	default:
+		DRM_ERROR("Unhandled interrupt: %d %d\n",
+			  entry->src_id, entry->src_data);
+		break;
+	}
+
+	return 0;
+}
+
+static int vce_v3_0_set_clockgating_state(void *handle,
+					  enum amd_clockgating_state state)
+{
+	return 0;
+}
+
+static int vce_v3_0_set_powergating_state(void *handle,
+					  enum amd_powergating_state state)
+{
+	/* This doesn't actually powergate the VCE block.
+	 * That's done in the dpm code via the SMC.  This
+	 * just re-inits the block as necessary.  The actual
+	 * gating still happens in the dpm code.  We should
+	 * revisit this when there is a cleaner line between
+	 * the smc and the hw blocks
+	 */
+	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+	if (state == AMD_PG_STATE_GATE)
+		/* XXX do we need a vce_v3_0_stop()? */
+		return 0;
+	else
+		return vce_v3_0_start(adev);
+}
+
+const struct amd_ip_funcs vce_v3_0_ip_funcs = {
+	.early_init = vce_v3_0_early_init,
+	.late_init = NULL,
+	.sw_init = vce_v3_0_sw_init,
+	.sw_fini = vce_v3_0_sw_fini,
+	.hw_init = vce_v3_0_hw_init,
+	.hw_fini = vce_v3_0_hw_fini,
+	.suspend = vce_v3_0_suspend,
+	.resume = vce_v3_0_resume,
+	.is_idle = vce_v3_0_is_idle,
+	.wait_for_idle = vce_v3_0_wait_for_idle,
+	.soft_reset = vce_v3_0_soft_reset,
+	.print_status = vce_v3_0_print_status,
+	.set_clockgating_state = vce_v3_0_set_clockgating_state,
+	.set_powergating_state = vce_v3_0_set_powergating_state,
+};
+
+static const struct amdgpu_ring_funcs vce_v3_0_ring_funcs = {
+	.get_rptr = vce_v3_0_ring_get_rptr,
+	.get_wptr = vce_v3_0_ring_get_wptr,
+	.set_wptr = vce_v3_0_ring_set_wptr,
+	.parse_cs = amdgpu_vce_ring_parse_cs,
+	.emit_ib = amdgpu_vce_ring_emit_ib,
+	.emit_fence = amdgpu_vce_ring_emit_fence,
+	.emit_semaphore = amdgpu_vce_ring_emit_semaphore,
+	.test_ring = amdgpu_vce_ring_test_ring,
+	.test_ib = amdgpu_vce_ring_test_ib,
+	.is_lockup = amdgpu_ring_test_lockup,
+};
+
+static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev)
+{
+	adev->vce.ring[0].funcs = &vce_v3_0_ring_funcs;
+	adev->vce.ring[1].funcs = &vce_v3_0_ring_funcs;
+}
+
+static const struct amdgpu_irq_src_funcs vce_v3_0_irq_funcs = {
+	.set = vce_v3_0_set_interrupt_state,
+	.process = vce_v3_0_process_interrupt,
+};
+
+static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev)
+{
+	adev->vce.irq.num_types = 1;
+	adev->vce.irq.funcs = &vce_v3_0_irq_funcs;
+};