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path: root/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vce_v2_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/vce_v2_0.c642
1 files changed, 642 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
new file mode 100644
index 000000000000..b47c16da6bf8
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
@@ -0,0 +1,642 @@
+/*
+ * 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 <drm/drmP.h>
+#include "amdgpu.h"
+#include "amdgpu_vce.h"
+#include "cikd.h"
+
+#include "vce/vce_2_0_d.h"
+#include "vce/vce_2_0_sh_mask.h"
+
+#include "oss/oss_2_0_d.h"
+#include "oss/oss_2_0_sh_mask.h"
+
+static void vce_v2_0_mc_resume(struct amdgpu_device *adev);
+static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev);
+static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev);
+
+/**
+ * vce_v2_0_ring_get_rptr - get read pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware read pointer
+ */
+static uint32_t vce_v2_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_v2_0_ring_get_wptr - get write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware write pointer
+ */
+static uint32_t vce_v2_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_v2_0_ring_set_wptr - set write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Commits the write pointer to the hardware
+ */
+static void vce_v2_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_v2_0_start - start VCE block
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Setup and start the VCE block
+ */
+static int vce_v2_0_start(struct amdgpu_device *adev)
+{
+ struct amdgpu_ring *ring;
+ int i, j, r;
+
+ vce_v2_0_mc_resume(adev);
+
+ /* set BUSY flag */
+ WREG32_P(mmVCE_STATUS, 1, ~1);
+
+ 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);
+
+ 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");
+ return r;
+ }
+
+ return 0;
+}
+
+static int vce_v2_0_early_init(struct amdgpu_device *adev)
+{
+ vce_v2_0_set_ring_funcs(adev);
+ vce_v2_0_set_irq_funcs(adev);
+
+ return 0;
+}
+
+static int vce_v2_0_sw_init(struct amdgpu_device *adev)
+{
+ 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);
+ 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_v2_0_sw_fini(struct amdgpu_device *adev)
+{
+ int r;
+
+ r = amdgpu_vce_suspend(adev);
+ if (r)
+ return r;
+
+ r = amdgpu_vce_sw_fini(adev);
+ if (r)
+ return r;
+
+ return r;
+}
+
+static int vce_v2_0_hw_init(struct amdgpu_device *adev)
+{
+ struct amdgpu_ring *ring;
+ int r;
+
+ r = vce_v2_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_v2_0_hw_fini(struct amdgpu_device *adev)
+{
+ // TODO
+ return 0;
+}
+
+static int vce_v2_0_suspend(struct amdgpu_device *adev)
+{
+ int r;
+
+ r = vce_v2_0_hw_fini(adev);
+ if (r)
+ return r;
+
+ r = amdgpu_vce_suspend(adev);
+ if (r)
+ return r;
+
+ return r;
+}
+
+static int vce_v2_0_resume(struct amdgpu_device *adev)
+{
+ int r;
+
+ r = amdgpu_vce_resume(adev);
+ if (r)
+ return r;
+
+ r = vce_v2_0_hw_init(adev);
+ if (r)
+ return r;
+
+ return r;
+}
+
+static void vce_v2_0_set_sw_cg(struct amdgpu_device *adev, bool gated)
+{
+ u32 tmp;
+
+ if (gated) {
+ tmp = RREG32(mmVCE_CLOCK_GATING_B);
+ tmp |= 0xe70000;
+ WREG32(mmVCE_CLOCK_GATING_B, tmp);
+
+ tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
+ tmp |= 0xff000000;
+ WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
+
+ tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
+ tmp &= ~0x3fc;
+ WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
+
+ WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0);
+ } else {
+ tmp = RREG32(mmVCE_CLOCK_GATING_B);
+ tmp |= 0xe7;
+ tmp &= ~0xe70000;
+ WREG32(mmVCE_CLOCK_GATING_B, tmp);
+
+ tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
+ tmp |= 0x1fe000;
+ tmp &= ~0xff000000;
+ WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
+
+ tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
+ tmp |= 0x3fc;
+ WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
+ }
+}
+
+static void vce_v2_0_set_dyn_cg(struct amdgpu_device *adev, bool gated)
+{
+ u32 orig, tmp;
+
+ tmp = RREG32(mmVCE_CLOCK_GATING_B);
+ tmp &= ~0x00060006;
+ if (gated) {
+ tmp |= 0xe10000;
+ } else {
+ tmp |= 0xe1;
+ tmp &= ~0xe10000;
+ }
+ WREG32(mmVCE_CLOCK_GATING_B, tmp);
+
+ orig = tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
+ tmp &= ~0x1fe000;
+ tmp &= ~0xff000000;
+ if (tmp != orig)
+ WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
+
+ orig = tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
+ tmp &= ~0x3fc;
+ if (tmp != orig)
+ WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
+
+ if (gated)
+ WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0);
+}
+
+static void vce_v2_0_disable_cg(struct amdgpu_device *adev)
+{
+ WREG32(mmVCE_CGTT_CLK_OVERRIDE, 7);
+}
+
+static void vce_v2_0_enable_mgcg(struct amdgpu_device *adev, bool enable)
+{
+ bool sw_cg = false;
+
+ if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_VCE_MGCG)) {
+ if (sw_cg)
+ vce_v2_0_set_sw_cg(adev, true);
+ else
+ vce_v2_0_set_dyn_cg(adev, true);
+ } else {
+ vce_v2_0_disable_cg(adev);
+
+ if (sw_cg)
+ vce_v2_0_set_sw_cg(adev, false);
+ else
+ vce_v2_0_set_dyn_cg(adev, false);
+ }
+}
+
+static void vce_v2_0_init_cg(struct amdgpu_device *adev)
+{
+ u32 tmp;
+
+ tmp = RREG32(mmVCE_CLOCK_GATING_A);
+ tmp &= ~0xfff;
+ tmp |= ((0 << 0) | (4 << 4));
+ tmp |= 0x40000;
+ WREG32(mmVCE_CLOCK_GATING_A, tmp);
+
+ tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
+ tmp &= ~0xfff;
+ tmp |= ((0 << 0) | (4 << 4));
+ WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
+
+ tmp = RREG32(mmVCE_CLOCK_GATING_B);
+ tmp |= 0x10;
+ tmp &= ~0x100000;
+ WREG32(mmVCE_CLOCK_GATING_B, tmp);
+}
+
+static void vce_v2_0_mc_resume(struct amdgpu_device *adev)
+{
+ uint64_t addr = adev->vce.gpu_addr;
+ uint32_t 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);
+
+ addr += AMDGPU_VCE_FIRMWARE_OFFSET;
+ size = AMDGPU_GPU_PAGE_ALIGN(adev->vce.fw->size);
+ WREG32(mmVCE_VCPU_CACHE_OFFSET0, addr & 0x7fffffff);
+ WREG32(mmVCE_VCPU_CACHE_SIZE0, size);
+
+ addr += size;
+ size = AMDGPU_VCE_STACK_SIZE;
+ WREG32(mmVCE_VCPU_CACHE_OFFSET1, addr & 0x7fffffff);
+ WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
+
+ addr += size;
+ size = AMDGPU_VCE_HEAP_SIZE;
+ WREG32(mmVCE_VCPU_CACHE_OFFSET2, addr & 0x7fffffff);
+ 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);
+
+ vce_v2_0_init_cg(adev);
+}
+
+static bool vce_v2_0_is_idle(struct amdgpu_device *adev)
+{
+ return !(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK);
+}
+
+static int vce_v2_0_wait_for_idle(struct amdgpu_device *adev)
+{
+ unsigned i;
+
+ for (i = 0; i < adev->usec_timeout; i++) {
+ if (!(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK))
+ return 0;
+ }
+ return -ETIMEDOUT;
+}
+
+static int vce_v2_0_soft_reset(struct amdgpu_device *adev)
+{
+ WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK,
+ ~SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK);
+ mdelay(5);
+
+ return vce_v2_0_start(adev);
+}
+
+static void vce_v2_0_print_status(struct amdgpu_device *adev)
+{
+ dev_info(adev->dev, "VCE 2.0 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_CGTT_CLK_OVERRIDE=0x%08X\n",
+ RREG32(mmVCE_CGTT_CLK_OVERRIDE));
+ 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_v2_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_v2_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_v2_0_set_clockgating_state(struct amdgpu_device *adev,
+ enum amdgpu_clockgating_state state)
+{
+ bool gate = false;
+
+ if (state == AMDGPU_CG_STATE_GATE)
+ gate = true;
+
+ vce_v2_0_enable_mgcg(adev, gate);
+
+ return 0;
+}
+
+static int vce_v2_0_set_powergating_state(struct amdgpu_device *adev,
+ enum amdgpu_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
+ */
+ if (state == AMDGPU_PG_STATE_GATE)
+ /* XXX do we need a vce_v2_0_stop()? */
+ return 0;
+ else
+ return vce_v2_0_start(adev);
+}
+
+const struct amdgpu_ip_funcs vce_v2_0_ip_funcs = {
+ .early_init = vce_v2_0_early_init,
+ .late_init = NULL,
+ .sw_init = vce_v2_0_sw_init,
+ .sw_fini = vce_v2_0_sw_fini,
+ .hw_init = vce_v2_0_hw_init,
+ .hw_fini = vce_v2_0_hw_fini,
+ .suspend = vce_v2_0_suspend,
+ .resume = vce_v2_0_resume,
+ .is_idle = vce_v2_0_is_idle,
+ .wait_for_idle = vce_v2_0_wait_for_idle,
+ .soft_reset = vce_v2_0_soft_reset,
+ .print_status = vce_v2_0_print_status,
+ .set_clockgating_state = vce_v2_0_set_clockgating_state,
+ .set_powergating_state = vce_v2_0_set_powergating_state,
+};
+
+static const struct amdgpu_ring_funcs vce_v2_0_ring_funcs = {
+ .get_rptr = vce_v2_0_ring_get_rptr,
+ .get_wptr = vce_v2_0_ring_get_wptr,
+ .set_wptr = vce_v2_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_v2_0_set_ring_funcs(struct amdgpu_device *adev)
+{
+ adev->vce.ring[0].funcs = &vce_v2_0_ring_funcs;
+ adev->vce.ring[1].funcs = &vce_v2_0_ring_funcs;
+}
+
+static const struct amdgpu_irq_src_funcs vce_v2_0_irq_funcs = {
+ .set = vce_v2_0_set_interrupt_state,
+ .process = vce_v2_0_process_interrupt,
+};
+
+static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev)
+{
+ adev->vce.irq.num_types = 1;
+ adev->vce.irq.funcs = &vce_v2_0_irq_funcs;
+};
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