[PATCH 06/11] drm/amdgpu/jpeg: add jpeg support for VCN4_0_0
Alex Deucher
alexander.deucher at amd.com
Mon May 2 19:07:59 UTC 2022
From: James Zhu <James.Zhu at amd.com>
Add jpeg support for VCN4_0_0.
Reviewed-by: Leo Liu <leo.liu at amd.com>
Reviewed-by: Sonny Jiang <sonny.jiang at amd.com>
Acked-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: James Zhu <James.Zhu at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/Makefile | 3 +-
drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c | 609 +++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.h | 29 ++
3 files changed, 640 insertions(+), 1 deletion(-)
create mode 100644 drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c
create mode 100644 drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.h
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 065939161961..7c7f946f1e6f 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -176,7 +176,8 @@ amdgpu-y += \
jpeg_v1_0.o \
jpeg_v2_0.o \
jpeg_v2_5.o \
- jpeg_v3_0.o
+ jpeg_v3_0.o \
+ jpeg_v4_0.o
# add ATHUB block
amdgpu-y += \
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c
new file mode 100644
index 000000000000..63b0d0b810ec
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.c
@@ -0,0 +1,609 @@
+/*
+ * Copyright 2021 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 "amdgpu.h"
+#include "amdgpu_jpeg.h"
+#include "amdgpu_pm.h"
+#include "soc15.h"
+#include "soc15d.h"
+#include "jpeg_v2_0.h"
+
+#include "vcn/vcn_4_0_0_offset.h"
+#include "vcn/vcn_4_0_0_sh_mask.h"
+#include "ivsrcid/vcn/irqsrcs_vcn_4_0.h"
+
+#define regUVD_JPEG_PITCH_INTERNAL_OFFSET 0x401f
+
+static void jpeg_v4_0_set_dec_ring_funcs(struct amdgpu_device *adev);
+static void jpeg_v4_0_set_irq_funcs(struct amdgpu_device *adev);
+static int jpeg_v4_0_set_powergating_state(void *handle,
+ enum amd_powergating_state state);
+
+/**
+ * jpeg_v4_0_early_init - set function pointers
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * Set ring and irq function pointers
+ */
+static int jpeg_v4_0_early_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+
+ adev->jpeg.num_jpeg_inst = 1;
+
+ jpeg_v4_0_set_dec_ring_funcs(adev);
+ jpeg_v4_0_set_irq_funcs(adev);
+
+ return 0;
+}
+
+/**
+ * jpeg_v4_0_sw_init - sw init for JPEG block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * Load firmware and sw initialization
+ */
+static int jpeg_v4_0_sw_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ struct amdgpu_ring *ring;
+ int r;
+
+ /* JPEG TRAP */
+ r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
+ VCN_4_0__SRCID__JPEG_DECODE, &adev->jpeg.inst->irq);
+ if (r)
+ return r;
+
+ r = amdgpu_jpeg_sw_init(adev);
+ if (r)
+ return r;
+
+ r = amdgpu_jpeg_resume(adev);
+ if (r)
+ return r;
+
+ ring = &adev->jpeg.inst->ring_dec;
+ ring->use_doorbell = true;
+ ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1;
+ sprintf(ring->name, "jpeg_dec");
+ r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq, 0,
+ AMDGPU_RING_PRIO_DEFAULT, NULL);
+ if (r)
+ return r;
+
+ adev->jpeg.internal.jpeg_pitch = regUVD_JPEG_PITCH_INTERNAL_OFFSET;
+ adev->jpeg.inst->external.jpeg_pitch = SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_PITCH);
+
+ return 0;
+}
+
+/**
+ * jpeg_v4_0_sw_fini - sw fini for JPEG block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * JPEG suspend and free up sw allocation
+ */
+static int jpeg_v4_0_sw_fini(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ int r;
+
+ r = amdgpu_jpeg_suspend(adev);
+ if (r)
+ return r;
+
+ r = amdgpu_jpeg_sw_fini(adev);
+
+ return r;
+}
+
+/**
+ * jpeg_v4_0_hw_init - start and test JPEG block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ */
+static int jpeg_v4_0_hw_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
+ int r;
+
+ adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
+ (adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
+
+ WREG32_SOC15(VCN, 0, regVCN_JPEG_DB_CTRL,
+ ring->doorbell_index << VCN_JPEG_DB_CTRL__OFFSET__SHIFT |
+ VCN_JPEG_DB_CTRL__EN_MASK);
+
+ r = amdgpu_ring_test_helper(ring);
+ if (r)
+ return r;
+
+ DRM_DEV_INFO(adev->dev, "JPEG decode initialized successfully.\n");
+
+ return 0;
+}
+
+/**
+ * jpeg_v4_0_hw_fini - stop the hardware block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * Stop the JPEG block, mark ring as not ready any more
+ */
+static int jpeg_v4_0_hw_fini(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ cancel_delayed_work_sync(&adev->vcn.idle_work);
+
+ if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
+ RREG32_SOC15(JPEG, 0, regUVD_JRBC_STATUS))
+ jpeg_v4_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
+
+ return 0;
+}
+
+/**
+ * jpeg_v4_0_suspend - suspend JPEG block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * HW fini and suspend JPEG block
+ */
+static int jpeg_v4_0_suspend(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ int r;
+
+ r = jpeg_v4_0_hw_fini(adev);
+ if (r)
+ return r;
+
+ r = amdgpu_jpeg_suspend(adev);
+
+ return r;
+}
+
+/**
+ * jpeg_v4_0_resume - resume JPEG block
+ *
+ * @handle: amdgpu_device pointer
+ *
+ * Resume firmware and hw init JPEG block
+ */
+static int jpeg_v4_0_resume(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ int r;
+
+ r = amdgpu_jpeg_resume(adev);
+ if (r)
+ return r;
+
+ r = jpeg_v4_0_hw_init(adev);
+
+ return r;
+}
+
+static void jpeg_v4_0_disable_clock_gating(struct amdgpu_device *adev)
+{
+ uint32_t data = 0;
+
+ data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL);
+ if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG) {
+ data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
+ data &= (~JPEG_CGC_CTRL__JPEG_DEC_MODE_MASK);
+ } else {
+ data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
+ }
+
+ data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
+ data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
+ WREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL, data);
+
+ data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE);
+ data &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK
+ | JPEG_CGC_GATE__JPEG2_DEC_MASK
+ | JPEG_CGC_GATE__JMCIF_MASK
+ | JPEG_CGC_GATE__JRBBM_MASK);
+ WREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE, data);
+}
+
+static void jpeg_v4_0_enable_clock_gating(struct amdgpu_device *adev)
+{
+ uint32_t data = 0;
+
+ data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL);
+ if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG) {
+ data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
+ data |= JPEG_CGC_CTRL__JPEG_DEC_MODE_MASK;
+ } else {
+ data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
+ }
+
+ data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
+ data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
+ WREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL, data);
+
+ data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE);
+ data |= (JPEG_CGC_GATE__JPEG_DEC_MASK
+ |JPEG_CGC_GATE__JPEG2_DEC_MASK
+ |JPEG_CGC_GATE__JMCIF_MASK
+ |JPEG_CGC_GATE__JRBBM_MASK);
+ WREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE, data);
+}
+
+static int jpeg_v4_0_disable_static_power_gating(struct amdgpu_device *adev)
+{
+ if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
+ uint32_t data = 0;
+ int r = 0;
+
+ data = 1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
+ WREG32(SOC15_REG_OFFSET(JPEG, 0, regUVD_PGFSM_CONFIG), data);
+
+ r = SOC15_WAIT_ON_RREG(JPEG, 0,
+ regUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON,
+ UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
+
+ if (r) {
+ DRM_DEV_ERROR(adev->dev, "amdgpu: JPEG disable power gating failed\n");
+ return r;
+ }
+ }
+
+ /* disable anti hang mechanism */
+ WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_POWER_STATUS), 0,
+ ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
+
+ /* keep the JPEG in static PG mode */
+ WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_POWER_STATUS), 0,
+ ~UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK);
+
+ return 0;
+}
+
+static int jpeg_v4_0_enable_static_power_gating(struct amdgpu_device *adev)
+{
+ /* enable anti hang mechanism */
+ WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_POWER_STATUS),
+ UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK,
+ ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
+
+ if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
+ uint32_t data = 0;
+ int r = 0;
+
+ data = 2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
+ WREG32(SOC15_REG_OFFSET(JPEG, 0, regUVD_PGFSM_CONFIG), data);
+
+ r = SOC15_WAIT_ON_RREG(JPEG, 0, regUVD_PGFSM_STATUS,
+ (2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT),
+ UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
+
+ if (r) {
+ DRM_DEV_ERROR(adev->dev, "amdgpu: JPEG enable power gating failed\n");
+ return r;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * jpeg_v4_0_start - start JPEG block
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Setup and start the JPEG block
+ */
+static int jpeg_v4_0_start(struct amdgpu_device *adev)
+{
+ struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
+ int r;
+
+ if (adev->pm.dpm_enabled)
+ amdgpu_dpm_enable_jpeg(adev, true);
+
+ /* disable power gating */
+ r = jpeg_v4_0_disable_static_power_gating(adev);
+ if (r)
+ return r;
+
+ /* JPEG disable CGC */
+ jpeg_v4_0_disable_clock_gating(adev);
+
+ /* MJPEG global tiling registers */
+ WREG32_SOC15(JPEG, 0, regJPEG_DEC_GFX10_ADDR_CONFIG,
+ adev->gfx.config.gb_addr_config);
+
+
+ /* enable JMI channel */
+ WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JMI_CNTL), 0,
+ ~UVD_JMI_CNTL__SOFT_RESET_MASK);
+
+ /* enable System Interrupt for JRBC */
+ WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regJPEG_SYS_INT_EN),
+ JPEG_SYS_INT_EN__DJRBC_MASK,
+ ~JPEG_SYS_INT_EN__DJRBC_MASK);
+
+ WREG32_SOC15(JPEG, 0, regUVD_LMI_JRBC_RB_VMID, 0);
+ WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L));
+ WREG32_SOC15(JPEG, 0, regUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
+ lower_32_bits(ring->gpu_addr));
+ WREG32_SOC15(JPEG, 0, regUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
+ upper_32_bits(ring->gpu_addr));
+ WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_RPTR, 0);
+ WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR, 0);
+ WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_CNTL, 0x00000002L);
+ WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_SIZE, ring->ring_size / 4);
+ ring->wptr = RREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR);
+
+ return 0;
+}
+
+/**
+ * jpeg_v4_0_stop - stop JPEG block
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * stop the JPEG block
+ */
+static int jpeg_v4_0_stop(struct amdgpu_device *adev)
+{
+ int r;
+
+ /* reset JMI */
+ WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JMI_CNTL),
+ UVD_JMI_CNTL__SOFT_RESET_MASK,
+ ~UVD_JMI_CNTL__SOFT_RESET_MASK);
+
+ jpeg_v4_0_enable_clock_gating(adev);
+
+ /* enable power gating */
+ r = jpeg_v4_0_enable_static_power_gating(adev);
+ if (r)
+ return r;
+
+ if (adev->pm.dpm_enabled)
+ amdgpu_dpm_enable_jpeg(adev, false);
+
+ return 0;
+}
+
+/**
+ * jpeg_v4_0_dec_ring_get_rptr - get read pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware read pointer
+ */
+static uint64_t jpeg_v4_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ return RREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_RPTR);
+}
+
+/**
+ * jpeg_v4_0_dec_ring_get_wptr - get write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Returns the current hardware write pointer
+ */
+static uint64_t jpeg_v4_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ if (ring->use_doorbell)
+ return *ring->wptr_cpu_addr;
+ else
+ return RREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR);
+}
+
+/**
+ * jpeg_v4_0_dec_ring_set_wptr - set write pointer
+ *
+ * @ring: amdgpu_ring pointer
+ *
+ * Commits the write pointer to the hardware
+ */
+static void jpeg_v4_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
+{
+ struct amdgpu_device *adev = ring->adev;
+
+ if (ring->use_doorbell) {
+ *ring->wptr_cpu_addr = lower_32_bits(ring->wptr);
+ WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
+ } else {
+ WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
+ }
+}
+
+static bool jpeg_v4_0_is_idle(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ int ret = 1;
+
+ ret &= (((RREG32_SOC15(JPEG, 0, regUVD_JRBC_STATUS) &
+ UVD_JRBC_STATUS__RB_JOB_DONE_MASK) ==
+ UVD_JRBC_STATUS__RB_JOB_DONE_MASK));
+
+ return ret;
+}
+
+static int jpeg_v4_0_wait_for_idle(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ return SOC15_WAIT_ON_RREG(JPEG, 0, regUVD_JRBC_STATUS,
+ UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
+ UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
+}
+
+static int jpeg_v4_0_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) ? true : false;
+
+ if (enable) {
+ if (!jpeg_v4_0_is_idle(handle))
+ return -EBUSY;
+ jpeg_v4_0_enable_clock_gating(adev);
+ } else {
+ jpeg_v4_0_disable_clock_gating(adev);
+ }
+
+ return 0;
+}
+
+static int jpeg_v4_0_set_powergating_state(void *handle,
+ enum amd_powergating_state state)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ int ret;
+
+ if (state == adev->jpeg.cur_state)
+ return 0;
+
+ if (state == AMD_PG_STATE_GATE)
+ ret = jpeg_v4_0_stop(adev);
+ else
+ ret = jpeg_v4_0_start(adev);
+
+ if (!ret)
+ adev->jpeg.cur_state = state;
+
+ return ret;
+}
+
+static int jpeg_v4_0_set_interrupt_state(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ unsigned type,
+ enum amdgpu_interrupt_state state)
+{
+ return 0;
+}
+
+static int jpeg_v4_0_process_interrupt(struct amdgpu_device *adev,
+ struct amdgpu_irq_src *source,
+ struct amdgpu_iv_entry *entry)
+{
+ DRM_DEBUG("IH: JPEG TRAP\n");
+
+ switch (entry->src_id) {
+ case VCN_4_0__SRCID__JPEG_DECODE:
+ amdgpu_fence_process(&adev->jpeg.inst->ring_dec);
+ break;
+ default:
+ DRM_DEV_ERROR(adev->dev, "Unhandled interrupt: %d %d\n",
+ entry->src_id, entry->src_data[0]);
+ break;
+ }
+
+ return 0;
+}
+
+static const struct amd_ip_funcs jpeg_v4_0_ip_funcs = {
+ .name = "jpeg_v4_0",
+ .early_init = jpeg_v4_0_early_init,
+ .late_init = NULL,
+ .sw_init = jpeg_v4_0_sw_init,
+ .sw_fini = jpeg_v4_0_sw_fini,
+ .hw_init = jpeg_v4_0_hw_init,
+ .hw_fini = jpeg_v4_0_hw_fini,
+ .suspend = jpeg_v4_0_suspend,
+ .resume = jpeg_v4_0_resume,
+ .is_idle = jpeg_v4_0_is_idle,
+ .wait_for_idle = jpeg_v4_0_wait_for_idle,
+ .check_soft_reset = NULL,
+ .pre_soft_reset = NULL,
+ .soft_reset = NULL,
+ .post_soft_reset = NULL,
+ .set_clockgating_state = jpeg_v4_0_set_clockgating_state,
+ .set_powergating_state = jpeg_v4_0_set_powergating_state,
+};
+
+static const struct amdgpu_ring_funcs jpeg_v4_0_dec_ring_vm_funcs = {
+ .type = AMDGPU_RING_TYPE_VCN_JPEG,
+ .align_mask = 0xf,
+ .vmhub = AMDGPU_MMHUB_0,
+ .get_rptr = jpeg_v4_0_dec_ring_get_rptr,
+ .get_wptr = jpeg_v4_0_dec_ring_get_wptr,
+ .set_wptr = jpeg_v4_0_dec_ring_set_wptr,
+ .emit_frame_size =
+ SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
+ SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
+ 8 + /* jpeg_v4_0_dec_ring_emit_vm_flush */
+ 18 + 18 + /* jpeg_v4_0_dec_ring_emit_fence x2 vm fence */
+ 8 + 16,
+ .emit_ib_size = 22, /* jpeg_v4_0_dec_ring_emit_ib */
+ .emit_ib = jpeg_v2_0_dec_ring_emit_ib,
+ .emit_fence = jpeg_v2_0_dec_ring_emit_fence,
+ .emit_vm_flush = jpeg_v2_0_dec_ring_emit_vm_flush,
+ .test_ring = amdgpu_jpeg_dec_ring_test_ring,
+ .test_ib = amdgpu_jpeg_dec_ring_test_ib,
+ .insert_nop = jpeg_v2_0_dec_ring_nop,
+ .insert_start = jpeg_v2_0_dec_ring_insert_start,
+ .insert_end = jpeg_v2_0_dec_ring_insert_end,
+ .pad_ib = amdgpu_ring_generic_pad_ib,
+ .begin_use = amdgpu_jpeg_ring_begin_use,
+ .end_use = amdgpu_jpeg_ring_end_use,
+ .emit_wreg = jpeg_v2_0_dec_ring_emit_wreg,
+ .emit_reg_wait = jpeg_v2_0_dec_ring_emit_reg_wait,
+ .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
+};
+
+static void jpeg_v4_0_set_dec_ring_funcs(struct amdgpu_device *adev)
+{
+ adev->jpeg.inst->ring_dec.funcs = &jpeg_v4_0_dec_ring_vm_funcs;
+ DRM_DEV_INFO(adev->dev, "JPEG decode is enabled in VM mode\n");
+}
+
+static const struct amdgpu_irq_src_funcs jpeg_v4_0_irq_funcs = {
+ .set = jpeg_v4_0_set_interrupt_state,
+ .process = jpeg_v4_0_process_interrupt,
+};
+
+static void jpeg_v4_0_set_irq_funcs(struct amdgpu_device *adev)
+{
+ adev->jpeg.inst->irq.num_types = 1;
+ adev->jpeg.inst->irq.funcs = &jpeg_v4_0_irq_funcs;
+}
+
+const struct amdgpu_ip_block_version jpeg_v4_0_ip_block = {
+ .type = AMD_IP_BLOCK_TYPE_JPEG,
+ .major = 4,
+ .minor = 0,
+ .rev = 0,
+ .funcs = &jpeg_v4_0_ip_funcs,
+};
diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.h b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.h
new file mode 100644
index 000000000000..f1ed6ccfedca
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2021 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.
+ *
+ */
+
+#ifndef __JPEG_V4_0_H__
+#define __JPEG_V4_0_H__
+
+extern const struct amdgpu_ip_block_version jpeg_v4_0_ip_block;
+
+#endif /* __JPEG_V4_0_H__ */
--
2.35.1
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