From: Hawking Zhang <Hawking.Zhang@xxxxxxx>
v7_9 is a new nbio generation ip.
Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Reviewed-by: Le Ma <Le.Ma@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/Makefile | 3 +-
drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c | 369 +++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/nbio_v7_9.h | 32 +++
3 files changed, 403 insertions(+), 1 deletion(-)
create mode 100644 drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
create mode 100644 drivers/gpu/drm/amd/amdgpu/nbio_v7_9.h
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 5f9ac1bcb6bc..f2e4dfe8884f 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -77,7 +77,8 @@ amdgpu-y += \
vi.o mxgpu_vi.o nbio_v6_1.o soc15.o emu_soc.o mxgpu_ai.o nbio_v7_0.o vega10_reg_init.o \
vega20_reg_init.o nbio_v7_4.o nbio_v2_3.o nv.o arct_reg_init.o mxgpu_nv.o \
nbio_v7_2.o hdp_v4_0.o hdp_v5_0.o aldebaran_reg_init.o aldebaran.o soc21.o \
- sienna_cichlid.o smu_v13_0_10.o nbio_v4_3.o hdp_v6_0.o nbio_v7_7.o hdp_v5_2.o lsdma_v6_0.o
+ sienna_cichlid.o smu_v13_0_10.o nbio_v4_3.o hdp_v6_0.o nbio_v7_7.o hdp_v5_2.o lsdma_v6_0.o \
+ nbio_v7_9.o
# add DF block
amdgpu-y += \
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
new file mode 100644
index 000000000000..24d12075ca3a
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c
@@ -0,0 +1,369 @@
+/*
+ * Copyright 2022 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_atombios.h"
+#include "nbio_v7_9.h"
+#include "amdgpu_ras.h"
+
+#include "nbio/nbio_7_9_0_offset.h"
+#include "nbio/nbio_7_9_0_sh_mask.h"
+#include "ivsrcid/nbio/irqsrcs_nbif_7_4.h"
+#include <uapi/linux/kfd_ioctl.h>
+
+static void nbio_v7_9_remap_hdp_registers(struct amdgpu_device *adev)
+{
+ WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_MEM_FLUSH_CNTL,
+ adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL);
+ WREG32_SOC15(NBIO, 0, regBIF_BX0_REMAP_HDP_REG_FLUSH_CNTL,
+ adev->rmmio_remap.reg_offset + KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL);
+}
+
+static u32 nbio_v7_9_get_rev_id(struct amdgpu_device *adev)
+{
+ u32 tmp;
+
+ tmp = RREG32_SOC15(NBIO, 0, regRCC_STRAP0_RCC_DEV0_EPF0_STRAP0);
+ tmp = REG_GET_FIELD(tmp, RCC_STRAP0_RCC_DEV0_EPF0_STRAP0, STRAP_ATI_REV_ID_DEV0_F0);
+
+ return tmp;
+}
+
+static void nbio_v7_9_mc_access_enable(struct amdgpu_device *adev, bool enable)
+{
+ if (enable)
+ WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN,
+ BIF_BX0_BIF_FB_EN__FB_READ_EN_MASK | BIF_BX0_BIF_FB_EN__FB_WRITE_EN_MASK);
+ else
+ WREG32_SOC15(NBIO, 0, regBIF_BX0_BIF_FB_EN, 0);
+}
+
+static u32 nbio_v7_9_get_memsize(struct amdgpu_device *adev)
+{
+ return RREG32_SOC15(NBIO, 0, regRCC_DEV0_EPF0_RCC_CONFIG_MEMSIZE);
+}
+
+static void nbio_v7_9_sdma_doorbell_range(struct amdgpu_device *adev, int instance,
+ bool use_doorbell, int doorbell_index, int doorbell_size)
+{
+ u32 doorbell_range = 0, doorbell_ctrl = 0;
+
+ doorbell_range =
+ REG_SET_FIELD(doorbell_range, DOORBELL0_CTRL_ENTRY_0,
+ BIF_DOORBELL0_RANGE_OFFSET_ENTRY, doorbell_index);
+ doorbell_range =
+ REG_SET_FIELD(doorbell_range, DOORBELL0_CTRL_ENTRY_0,
+ BIF_DOORBELL0_RANGE_SIZE_ENTRY, doorbell_size);
+ doorbell_ctrl =
+ REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_ENABLE, 1);
+ doorbell_ctrl =
+ REG_SET_FIELD(doorbell_ctrl, S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_RANGE_SIZE, doorbell_size);
+
+ switch (instance) {
+ case 0:
+ WREG32_SOC15(NBIO, 0, regDOORBELL0_CTRL_ENTRY_1, doorbell_range);
+
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_AWID, 0xe);
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_RANGE_OFFSET, 0xe);
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE,
+ 0x1);
+ WREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_1_CTRL, doorbell_ctrl);
+ break;
+ case 1:
+ WREG32_SOC15(NBIO, 0, regDOORBELL0_CTRL_ENTRY_2, doorbell_range);
+
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_AWID, 0x8);
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_RANGE_OFFSET, 0x8);
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE,
+ 0x2);
+ WREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_2_CTRL, doorbell_ctrl);
+ break;
+ case 2:
+ WREG32_SOC15(NBIO, 0, regDOORBELL0_CTRL_ENTRY_3, doorbell_range);
+
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_AWID, 0x9);
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_RANGE_OFFSET, 0x9);
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE,
+ 0x8);
+ WREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_5_CTRL, doorbell_ctrl);
+ break;
+ case 3:
+ WREG32_SOC15(NBIO, 0, regDOORBELL0_CTRL_ENTRY_4, doorbell_range);
+
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_AWID, 0xa);
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_RANGE_OFFSET, 0xa);
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE,
+ 0x9);
+ WREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_6_CTRL, doorbell_ctrl);
+ break;
+ default:
+ break;
+ };
+
+ return;
+}
+
+static void nbio_v7_9_vcn_doorbell_range(struct amdgpu_device *adev, bool use_doorbell,
+ int doorbell_index, int instance)
+{
+ u32 doorbell_range = 0, doorbell_ctrl = 0;
+
+ if (use_doorbell) {
+ doorbell_range = REG_SET_FIELD(doorbell_range,
+ DOORBELL0_CTRL_ENTRY_0,
+ BIF_DOORBELL0_RANGE_OFFSET_ENTRY,
+ doorbell_index);
+ doorbell_range = REG_SET_FIELD(doorbell_range,
+ DOORBELL0_CTRL_ENTRY_0,
+ BIF_DOORBELL0_RANGE_SIZE_ENTRY,
+ 0x8);
+
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_ENABLE, 1);
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_AWID, 0x4);
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_RANGE_OFFSET, 0x4);
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_RANGE_SIZE, 0x8);
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE, 0x4);
+ } else {
+ doorbell_range = REG_SET_FIELD(doorbell_range,
+ DOORBELL0_CTRL_ENTRY_0,
+ BIF_DOORBELL0_RANGE_SIZE_ENTRY, 0);
+ doorbell_ctrl = REG_SET_FIELD(doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_RANGE_SIZE, 0);
+ }
+
+ WREG32_SOC15(NBIO, 0, regDOORBELL0_CTRL_ENTRY_17, doorbell_range);
+ WREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_4_CTRL, doorbell_ctrl);
+}
+
+static void nbio_v7_9_enable_doorbell_aperture(struct amdgpu_device *adev,
+ bool enable)
+{
+ /* Enable to allow doorbell pass thru on pre-silicon bare-metal */
+ WREG32_SOC15(NBIO, 0, regBIFC_DOORBELL_ACCESS_EN_PF, 0xfffff);
+ WREG32_FIELD15_PREREG(NBIO, 0, RCC_DEV0_EPF0_RCC_DOORBELL_APER_EN,
+ BIF_DOORBELL_APER_EN, enable ? 1 : 0);
+}
+
+static void nbio_v7_9_enable_doorbell_selfring_aperture(struct amdgpu_device *adev,
+ bool enable)
+{
+ u32 tmp = 0;
+
+ if (enable) {
+ tmp = REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
+ DOORBELL_SELFRING_GPA_APER_EN, 1) |
+ REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
+ DOORBELL_SELFRING_GPA_APER_MODE, 1) |
+ REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL,
+ DOORBELL_SELFRING_GPA_APER_SIZE, 0);
+
+ WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_LOW,
+ lower_32_bits(adev->doorbell.base));
+ WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_HIGH,
+ upper_32_bits(adev->doorbell.base));
+ }
+
+ WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, tmp);
+}
+
+static void nbio_v7_9_ih_doorbell_range(struct amdgpu_device *adev,
+ bool use_doorbell, int doorbell_index)
+{
+ u32 ih_doorbell_range = 0, ih_doorbell_ctrl = 0;
+
+ if (use_doorbell) {
+ ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
+ DOORBELL0_CTRL_ENTRY_0,
+ BIF_DOORBELL0_RANGE_OFFSET_ENTRY,
+ doorbell_index);
+ ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
+ DOORBELL0_CTRL_ENTRY_0,
+ BIF_DOORBELL0_RANGE_SIZE_ENTRY,
+ 0x4);
+
+ ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_ENABLE, 1);
+ ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_AWID, 0);
+ ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_RANGE_OFFSET, 0);
+ ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_RANGE_SIZE, 0x4);
+ ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_AWADDR_31_28_VALUE, 0);
+ } else {
+ ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range,
+ DOORBELL0_CTRL_ENTRY_0,
+ BIF_DOORBELL0_RANGE_SIZE_ENTRY, 0);
+ ih_doorbell_ctrl = REG_SET_FIELD(ih_doorbell_ctrl,
+ S2A_DOORBELL_ENTRY_1_CTRL,
+ S2A_DOORBELL_PORT1_RANGE_SIZE, 0);
+ }
+
+ WREG32_SOC15(NBIO, 0, regDOORBELL0_CTRL_ENTRY_0, ih_doorbell_range);
+ WREG32_SOC15(NBIO, 0, regS2A_DOORBELL_ENTRY_3_CTRL, ih_doorbell_ctrl);
+}
+
+
+static void nbio_v7_9_update_medium_grain_clock_gating(struct amdgpu_device *adev,
+ bool enable)
+{
+}
+
+static void nbio_v7_9_update_medium_grain_light_sleep(struct amdgpu_device *adev,
+ bool enable)
+{
+}
+
+static void nbio_v7_9_get_clockgating_state(struct amdgpu_device *adev,
+ u64 *flags)
+{
+}
+
+static void nbio_v7_9_ih_control(struct amdgpu_device *adev)
+{
+ u32 interrupt_cntl;
+
+ /* setup interrupt control */
+ WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL2, adev->dummy_page_addr >> 8);
+ interrupt_cntl = RREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL);
+ /* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi
+ * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN
+ */
+ interrupt_cntl =
+ REG_SET_FIELD(interrupt_cntl, BIF_BX0_INTERRUPT_CNTL, IH_DUMMY_RD_OVERRIDE, 0);
+ /* INTERRUPT_CNTL__IH_REQ_NONSNOOP_EN_MASK=1 if ring is in non-cacheable memory, e.g., vram */
+ interrupt_cntl =
+ REG_SET_FIELD(interrupt_cntl, BIF_BX0_INTERRUPT_CNTL, IH_REQ_NONSNOOP_EN, 0);
+ WREG32_SOC15(NBIO, 0, regBIF_BX0_INTERRUPT_CNTL, interrupt_cntl);
+}
+
+static u32 nbio_v7_9_get_hdp_flush_req_offset(struct amdgpu_device *adev)
+{
+ return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_REQ);
+}
+
+static u32 nbio_v7_9_get_hdp_flush_done_offset(struct amdgpu_device *adev)
+{
+ return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX_PF0_GPU_HDP_FLUSH_DONE);
+}
+
+static u32 nbio_v7_9_get_pcie_index_offset(struct amdgpu_device *adev)
+{
+ return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_INDEX2);
+}
+
+static u32 nbio_v7_9_get_pcie_data_offset(struct amdgpu_device *adev)
+{
+ return SOC15_REG_OFFSET(NBIO, 0, regBIF_BX0_PCIE_DATA2);
+}
+
+const struct nbio_hdp_flush_reg nbio_v7_9_hdp_flush_reg = {
+ .ref_and_mask_cp0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP0_MASK,
+ .ref_and_mask_cp1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP1_MASK,
+ .ref_and_mask_cp2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP2_MASK,
+ .ref_and_mask_cp3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP3_MASK,
+ .ref_and_mask_cp4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP4_MASK,
+ .ref_and_mask_cp5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP5_MASK,
+ .ref_and_mask_cp6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP6_MASK,
+ .ref_and_mask_cp7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP7_MASK,
+ .ref_and_mask_cp8 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP8_MASK,
+ .ref_and_mask_cp9 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP9_MASK,
+ .ref_and_mask_sdma0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA0_MASK,
+ .ref_and_mask_sdma1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA1_MASK,
+ .ref_and_mask_sdma2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG0_MASK,
+ .ref_and_mask_sdma3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG1_MASK,
+ .ref_and_mask_sdma4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG2_MASK,
+ .ref_and_mask_sdma5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG3_MASK,
+ .ref_and_mask_sdma6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG4_MASK,
+ .ref_and_mask_sdma7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__RSVD_ENG5_MASK,
+};
+
+static void nbio_v7_9_enable_doorbell_interrupt(struct amdgpu_device *adev,
+ bool enable)
+{
+ WREG32_FIELD15_PREREG(NBIO, 0, BIF_BX0_BIF_DOORBELL_INT_CNTL,
+ DOORBELL_INTERRUPT_DISABLE, enable ? 0 : 1);
+}
+
+const struct amdgpu_nbio_funcs nbio_v7_9_funcs = {
+ .get_hdp_flush_req_offset = nbio_v7_9_get_hdp_flush_req_offset,
+ .get_hdp_flush_done_offset = nbio_v7_9_get_hdp_flush_done_offset,
+ .get_pcie_index_offset = nbio_v7_9_get_pcie_index_offset,
+ .get_pcie_data_offset = nbio_v7_9_get_pcie_data_offset,
+ .get_rev_id = nbio_v7_9_get_rev_id,
+ .mc_access_enable = nbio_v7_9_mc_access_enable,
+ .get_memsize = nbio_v7_9_get_memsize,
+ .sdma_doorbell_range = nbio_v7_9_sdma_doorbell_range,
+ .vcn_doorbell_range = nbio_v7_9_vcn_doorbell_range,
+ .enable_doorbell_aperture = nbio_v7_9_enable_doorbell_aperture,
+ .enable_doorbell_selfring_aperture = nbio_v7_9_enable_doorbell_selfring_aperture,
+ .ih_doorbell_range = nbio_v7_9_ih_doorbell_range,
+ .enable_doorbell_interrupt = nbio_v7_9_enable_doorbell_interrupt,
+ .update_medium_grain_clock_gating = nbio_v7_9_update_medium_grain_clock_gating,
+ .update_medium_grain_light_sleep = nbio_v7_9_update_medium_grain_light_sleep,
+ .get_clockgating_state = nbio_v7_9_get_clockgating_state,
+ .ih_control = nbio_v7_9_ih_control,
+ .remap_hdp_registers = nbio_v7_9_remap_hdp_registers,
+};
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.h b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.h
new file mode 100644
index 000000000000..8e04eb484328
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_9.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2022 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 __NBIO_V7_9_H__
+#define __NBIO_V7_9_H__
+
+#include "soc15_common.h"
+
+extern const struct nbio_hdp_flush_reg nbio_v7_9_hdp_flush_reg;
+extern const struct amdgpu_nbio_funcs nbio_v7_9_funcs;
+
+#endif
--
2.39.2
