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authorLinus Torvalds <[email protected]>2022-03-24 23:19:43 +0000
committerLinus Torvalds <[email protected]>2022-03-24 23:19:43 +0000
commitb14ffae378aa1db993e62b01392e70d1e585fb23 (patch)
tree0ac179d24e8a62ec4c2732ed18d90d83da4b82d7 /drivers/gpu/drm/amd/display/dmub/src
parentMerge branch 'akpm' (patches from Andrew) (diff)
parentMerge tag 'amd-drm-next-5.18-2022-03-18' of https://gitlab.freedesktop.org/ag... (diff)
downloadkernel-b14ffae378aa1db993e62b01392e70d1e585fb23.tar.gz
kernel-b14ffae378aa1db993e62b01392e70d1e585fb23.zip
Merge tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm
Pull drm updates from Dave Airlie: "Lots of work all over, Intel improving DG2 support, amdkfd CRIU support, msm new hw support, and faster fbdev support. dma-buf: - rename dma-buf-map to iosys-map core: - move buddy allocator to core - add pci/platform init macros - improve EDID parser deep color handling - EDID timing type 7 support - add GPD Win Max quirk - add yes/no helpers to string_helpers - flatten syncobj chains - add nomodeset support to lots of drivers - improve fb-helper clipping support - add default property value interface fbdev: - improve fbdev ops speed ttm: - add a backpointer from ttm bo->ttm resource dp: - move displayport headers - add a dp helper module bridge: - anx7625 atomic support, HDCP support panel: - split out panel-lvds and lvds bindings - find panels in OF subnodes privacy: - add chromeos privacy screen support fb: - hot unplug fw fb on forced removal simpledrm: - request region instead of marking ioresource busy - add panel oreintation property udmabuf: - fix oops with 0 pages amdgpu: - power management code cleanup - Enable freesync video mode by default - RAS code cleanup - Improve VRAM access for debug using SDMA - SR-IOV rework special register access and fixes - profiling power state request ioctl - expose IP discovery via sysfs - Cyan skillfish updates - GC 10.3.7, SDMA 5.2.7, DCN 3.1.6 updates - expose benchmark tests via debugfs - add module param to disable XGMI for testing - GPU reset debugfs register dumping support amdkfd: - CRIU support - SDMA queue fixes radeon: - UVD suspend fix - iMac backlight fix i915: - minimal parallel submission for execlists - DG2-G12 subplatform added - DG2 programming workarounds - DG2 accelerated migration support - flat CCS and CCS engine support for XeHP - initial small BAR support - drop fake LMEM support - ADL-N PCH support - bigjoiner updates - introduce VMA resources and async unbinding - register definitions cleanups - multi-FBC refactoring - DG1 OPROM over SPI support - ADL-N platform enabling - opregion mailbox #5 support - DP MST ESI improvements - drm device based logging - async flip optimisation for DG2 - CPU arch abstraction fixes - improve GuC ADS init to work on aarch64 - tweak TTM LRU priority hint - GuC 69.0.3 support - remove short term execbuf pins nouveau: - higher DP/eDP bitrates - backlight fixes msm: - dpu + dp support for sc8180x - dp support for sm8350 - dpu + dsi support for qcm2290 - 10nm dsi phy tuning support - bridge support for dp encoder - gpu support for additional 7c3 SKUs ingenic: - HDMI support for JZ4780 - aux channel EDID support ast: - AST2600 support - add wide screen support - create DP/DVI connectors omapdrm: - fix implicit dma_buf fencing vc4: - add CSC + full range support - better display firmware handoff panfrost: - add initial dual-core GPU support stm: - new revision support - fb handover support mediatek: - transfer display binding document to yaml format. - add mt8195 display device binding. - allow commands to be sent during video mode. - add wait_for_event for crtc disable by cmdq. tegra: - YUV format support rcar-du: - LVDS support for M3-W+ (R8A77961) exynos: - BGR pixel format for FIMD device" * tag 'drm-next-2022-03-24' of git://anongit.freedesktop.org/drm/drm: (1529 commits) drm/i915/display: Do not re-enable PSR after it was marked as not reliable drm/i915/display: Fix HPD short pulse handling for eDP drm/amdgpu: Use drm_mode_copy() drm/radeon: Use drm_mode_copy() drm/amdgpu: Use ternary operator in `vcn_v1_0_start()` drm/amdgpu: Remove pointless on stack mode copies drm/amd/pm: fix indenting in __smu_cmn_reg_print_error() drm/amdgpu/dc: fix typos in comments drm/amdgpu: fix typos in comments drm/amd/pm: fix typos in comments drm/amdgpu: Add stolen reserved memory for MI25 SRIOV. drm/amdgpu: Merge get_reserved_allocation to get_vbios_allocations. drm/amdkfd: evict svm bo worker handle error drm/amdgpu/vcn: fix vcn ring test failure in igt reload test drm/amdgpu: only allow secure submission on rings which support that drm/amdgpu: fixed the warnings reported by kernel test robot drm/amd/display: 3.2.177 drm/amd/display: [FW Promotion] Release 0.0.108.0 drm/amd/display: Add save/restore PANEL_PWRSEQ_REF_DIV2 drm/amd/display: Wait for hubp read line for Pollock ...
Diffstat (limited to 'drivers/gpu/drm/amd/display/dmub/src')
-rw-r--r--drivers/gpu/drm/amd/display/dmub/src/Makefile2
-rw-r--r--drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c2
-rw-r--r--drivers/gpu/drm/amd/display/dmub/src/dmub_dcn315.c62
-rw-r--r--drivers/gpu/drm/amd/display/dmub/src/dmub_dcn315.h68
-rw-r--r--drivers/gpu/drm/amd/display/dmub/src/dmub_dcn316.c62
-rw-r--r--drivers/gpu/drm/amd/display/dmub/src/dmub_dcn316.h33
-rw-r--r--drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c11
7 files changed, 237 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dmub/src/Makefile b/drivers/gpu/drm/amd/display/dmub/src/Makefile
index 0495bcdd3463..856c7f48de7a 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/Makefile
+++ b/drivers/gpu/drm/amd/display/dmub/src/Makefile
@@ -22,7 +22,7 @@
DMUB = dmub_srv.o dmub_srv_stat.o dmub_reg.o dmub_dcn20.o dmub_dcn21.o
DMUB += dmub_dcn30.o dmub_dcn301.o dmub_dcn302.o dmub_dcn303.o
-DMUB += dmub_dcn31.o
+DMUB += dmub_dcn31.o dmub_dcn315.o dmub_dcn316.o
AMD_DAL_DMUB = $(addprefix $(AMDDALPATH)/dmub/src/,$(DMUB))
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c
index fa0569174aec..82c651535628 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn31.c
@@ -441,7 +441,7 @@ void dmub_dcn31_get_diagnostic_data(struct dmub_srv *dmub, struct dmub_diagnosti
bool dmub_dcn31_should_detect(struct dmub_srv *dmub)
{
uint32_t fw_boot_status = REG_READ(DMCUB_SCRATCH0);
- bool should_detect = fw_boot_status & DMUB_FW_BOOT_STATUS_BIT_DETECTION_REQUIRED;
+ bool should_detect = (fw_boot_status & DMUB_FW_BOOT_STATUS_BIT_DETECTION_REQUIRED) != 0;
return should_detect;
}
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn315.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn315.c
new file mode 100644
index 000000000000..4dbb15c898aa
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn315.c
@@ -0,0 +1,62 @@
+/*
+ * 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.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "../dmub_srv.h"
+#include "dmub_reg.h"
+#include "dmub_dcn315.h"
+
+#include "dcn/dcn_3_1_5_offset.h"
+#include "dcn/dcn_3_1_5_sh_mask.h"
+
+#define DCN_BASE__INST0_SEG0 0x00000012
+#define DCN_BASE__INST0_SEG1 0x000000C0
+#define DCN_BASE__INST0_SEG2 0x000034C0
+#define DCN_BASE__INST0_SEG3 0x00009000
+#define DCN_BASE__INST0_SEG4 0x02403C00
+#define DCN_BASE__INST0_SEG5 0
+
+#define BASE_INNER(seg) DCN_BASE__INST0_SEG##seg
+#define CTX dmub
+#define REGS dmub->regs_dcn31
+#define REG_OFFSET_EXP(reg_name) (BASE(reg##reg_name##_BASE_IDX) + reg##reg_name)
+
+/* Registers. */
+
+const struct dmub_srv_dcn31_regs dmub_srv_dcn315_regs = {
+#define DMUB_SR(reg) REG_OFFSET_EXP(reg),
+ {
+ DMUB_DCN31_REGS()
+ DMCUB_INTERNAL_REGS()
+ },
+#undef DMUB_SR
+
+#define DMUB_SF(reg, field) FD_MASK(reg, field),
+ { DMUB_DCN315_FIELDS() },
+#undef DMUB_SF
+
+#define DMUB_SF(reg, field) FD_SHIFT(reg, field),
+ { DMUB_DCN315_FIELDS() },
+#undef DMUB_SF
+};
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn315.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn315.h
new file mode 100644
index 000000000000..0049ae96aa7e
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn315.h
@@ -0,0 +1,68 @@
+/*
+ * 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.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef _DMUB_DCN315_H_
+#define _DMUB_DCN315_H_
+
+#include "dmub_dcn31.h"
+
+#define DMUB_DCN315_FIELDS() \
+ DMUB_SF(DMCUB_CNTL, DMCUB_ENABLE) \
+ DMUB_SF(DMCUB_CNTL, DMCUB_TRACEPORT_EN) \
+ DMUB_SF(DMCUB_CNTL2, DMCUB_SOFT_RESET) \
+ DMUB_SF(DMCUB_SEC_CNTL, DMCUB_SEC_RESET) \
+ DMUB_SF(DMCUB_SEC_CNTL, DMCUB_MEM_UNIT_ID) \
+ DMUB_SF(DMCUB_SEC_CNTL, DMCUB_SEC_RESET_STATUS) \
+ DMUB_SF(DMCUB_REGION3_CW0_TOP_ADDRESS, DMCUB_REGION3_CW0_TOP_ADDRESS) \
+ DMUB_SF(DMCUB_REGION3_CW0_TOP_ADDRESS, DMCUB_REGION3_CW0_ENABLE) \
+ DMUB_SF(DMCUB_REGION3_CW1_TOP_ADDRESS, DMCUB_REGION3_CW1_TOP_ADDRESS) \
+ DMUB_SF(DMCUB_REGION3_CW1_TOP_ADDRESS, DMCUB_REGION3_CW1_ENABLE) \
+ DMUB_SF(DMCUB_REGION3_CW2_TOP_ADDRESS, DMCUB_REGION3_CW2_TOP_ADDRESS) \
+ DMUB_SF(DMCUB_REGION3_CW2_TOP_ADDRESS, DMCUB_REGION3_CW2_ENABLE) \
+ DMUB_SF(DMCUB_REGION3_CW3_TOP_ADDRESS, DMCUB_REGION3_CW3_TOP_ADDRESS) \
+ DMUB_SF(DMCUB_REGION3_CW3_TOP_ADDRESS, DMCUB_REGION3_CW3_ENABLE) \
+ DMUB_SF(DMCUB_REGION3_CW4_TOP_ADDRESS, DMCUB_REGION3_CW4_TOP_ADDRESS) \
+ DMUB_SF(DMCUB_REGION3_CW4_TOP_ADDRESS, DMCUB_REGION3_CW4_ENABLE) \
+ DMUB_SF(DMCUB_REGION3_CW5_TOP_ADDRESS, DMCUB_REGION3_CW5_TOP_ADDRESS) \
+ DMUB_SF(DMCUB_REGION3_CW5_TOP_ADDRESS, DMCUB_REGION3_CW5_ENABLE) \
+ DMUB_SF(DMCUB_REGION3_CW6_TOP_ADDRESS, DMCUB_REGION3_CW6_TOP_ADDRESS) \
+ DMUB_SF(DMCUB_REGION3_CW6_TOP_ADDRESS, DMCUB_REGION3_CW6_ENABLE) \
+ DMUB_SF(DMCUB_REGION3_CW7_TOP_ADDRESS, DMCUB_REGION3_CW7_TOP_ADDRESS) \
+ DMUB_SF(DMCUB_REGION3_CW7_TOP_ADDRESS, DMCUB_REGION3_CW7_ENABLE) \
+ DMUB_SF(DMCUB_REGION4_TOP_ADDRESS, DMCUB_REGION4_TOP_ADDRESS) \
+ DMUB_SF(DMCUB_REGION4_TOP_ADDRESS, DMCUB_REGION4_ENABLE) \
+ DMUB_SF(DMCUB_REGION5_TOP_ADDRESS, DMCUB_REGION5_TOP_ADDRESS) \
+ DMUB_SF(DMCUB_REGION5_TOP_ADDRESS, DMCUB_REGION5_ENABLE) \
+ DMUB_SF(CC_DC_PIPE_DIS, DC_DMCUB_ENABLE) \
+ DMUB_SF(MMHUBBUB_SOFT_RESET, DMUIF_SOFT_RESET) \
+ DMUB_SF(DCN_VM_FB_LOCATION_BASE, FB_BASE) \
+ DMUB_SF(DCN_VM_FB_OFFSET, FB_OFFSET) \
+ DMUB_SF(DMCUB_INBOX0_WPTR, DMCUB_INBOX0_WPTR) \
+ DMUB_SF(DMCUB_INTERRUPT_ENABLE, DMCUB_GPINT2_INT_EN) \
+ DMUB_SF(DMCUB_INTERRUPT_ACK, DMCUB_GPINT2_INT_ACK)
+
+extern const struct dmub_srv_dcn31_regs dmub_srv_dcn315_regs;
+
+#endif /* _DMUB_DCN315_H_ */
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn316.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn316.c
new file mode 100644
index 000000000000..c43d1e3819e0
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn316.c
@@ -0,0 +1,62 @@
+/*
+ * 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.
+ *
+ * Authors: AMD
+ *
+ */
+
+#include "../dmub_srv.h"
+#include "dmub_reg.h"
+#include "dmub_dcn316.h"
+
+#include "dcn/dcn_3_1_6_offset.h"
+#include "dcn/dcn_3_1_6_sh_mask.h"
+
+#define DCN_BASE__INST0_SEG0 0x00000012
+#define DCN_BASE__INST0_SEG1 0x000000C0
+#define DCN_BASE__INST0_SEG2 0x000034C0
+#define DCN_BASE__INST0_SEG3 0x00009000
+#define DCN_BASE__INST0_SEG4 0x02403C00
+#define DCN_BASE__INST0_SEG5 0
+
+#define BASE_INNER(seg) DCN_BASE__INST0_SEG##seg
+#define CTX dmub
+#define REGS dmub->regs_dcn31
+#define REG_OFFSET_EXP(reg_name) (BASE(reg##reg_name##_BASE_IDX) + reg##reg_name)
+
+/* Registers. */
+
+const struct dmub_srv_dcn31_regs dmub_srv_dcn316_regs = {
+#define DMUB_SR(reg) REG_OFFSET_EXP(reg),
+ {
+ DMUB_DCN31_REGS()
+ DMCUB_INTERNAL_REGS()
+ },
+#undef DMUB_SR
+
+#define DMUB_SF(reg, field) FD_MASK(reg, field),
+ { DMUB_DCN31_FIELDS() },
+#undef DMUB_SF
+
+#define DMUB_SF(reg, field) FD_SHIFT(reg, field),
+ { DMUB_DCN31_FIELDS() },
+#undef DMUB_SF
+};
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn316.h b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn316.h
new file mode 100644
index 000000000000..9e7d109129ea
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_dcn316.h
@@ -0,0 +1,33 @@
+/*
+ * 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.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef _DMUB_DCN316_H_
+#define _DMUB_DCN316_H_
+
+#include "dmub_dcn31.h"
+
+extern const struct dmub_srv_dcn31_regs dmub_srv_dcn316_regs;
+
+#endif /* _DMUB_DCN316_H_ */
diff --git a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
index 9280f2abd973..66db5e538c7f 100644
--- a/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dmub/src/dmub_srv.c
@@ -32,6 +32,8 @@
#include "dmub_dcn302.h"
#include "dmub_dcn303.h"
#include "dmub_dcn31.h"
+#include "dmub_dcn315.h"
+#include "dmub_dcn316.h"
#include "os_types.h"
/*
* Note: the DMUB service is standalone. No additional headers should be
@@ -220,7 +222,14 @@ static bool dmub_srv_hw_setup(struct dmub_srv *dmub, enum dmub_asic asic)
case DMUB_ASIC_DCN31:
case DMUB_ASIC_DCN31B:
- dmub->regs_dcn31 = &dmub_srv_dcn31_regs;
+ case DMUB_ASIC_DCN315:
+ case DMUB_ASIC_DCN316:
+ if (asic == DMUB_ASIC_DCN315)
+ dmub->regs_dcn31 = &dmub_srv_dcn315_regs;
+ else if (asic == DMUB_ASIC_DCN316)
+ dmub->regs_dcn31 = &dmub_srv_dcn316_regs;
+ else
+ dmub->regs_dcn31 = &dmub_srv_dcn31_regs;
funcs->reset = dmub_dcn31_reset;
funcs->reset_release = dmub_dcn31_reset_release;
funcs->backdoor_load = dmub_dcn31_backdoor_load;