RE: [PATCH v2 1/6] drm/amdgpu: add mode2 reset for sienna_cichlid

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[AMD Official Use Only - General]



> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of
> Victor Zhao
> Sent: Thursday, July 28, 2022 6:30 PM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Deng, Emily <Emily.Deng@xxxxxxx>; Zhao, Victor
> <Victor.Zhao@xxxxxxx>; Grodzovsky, Andrey
> <Andrey.Grodzovsky@xxxxxxx>
> Subject: [PATCH v2 1/6] drm/amdgpu: add mode2 reset for sienna_cichlid
> 
> To meet the requirement for multi container usecase which needs
> a quicker reset and not causing VRAM lost, adding the Mode2
> reset handler for sienna_cichlid.
> 
> v2: move skip mode2 flag part separately
> 
> Signed-off-by: Victor Zhao <Victor.Zhao@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/Makefile           |   2 +-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c     |   7 +
>  drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c   | 297
> ++++++++++++++++++
>  drivers/gpu/drm/amd/amdgpu/sienna_cichlid.h   |  32 ++
>  .../pm/swsmu/inc/pmfw_if/smu_v11_0_7_ppsmc.h  |   4 +-
>  drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h  |   3 +-
>  .../amd/pm/swsmu/smu11/sienna_cichlid_ppt.c   |  54 ++++
>  7 files changed, 395 insertions(+), 4 deletions(-)
>  create mode 100644 drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c
>  create mode 100644 drivers/gpu/drm/amd/amdgpu/sienna_cichlid.h
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile
> b/drivers/gpu/drm/amd/amdgpu/Makefile
> index c7d0cd15b5ef..7030ac2d7d2c 100644
> --- a/drivers/gpu/drm/amd/amdgpu/Makefile
> +++ b/drivers/gpu/drm/amd/amdgpu/Makefile
> @@ -75,7 +75,7 @@ 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 \
> -	nbio_v4_3.o hdp_v6_0.o nbio_v7_7.o hdp_v5_2.o lsdma_v6_0.o
> +	sienna_cichlid.o nbio_v4_3.o hdp_v6_0.o nbio_v7_7.o hdp_v5_2.o
> lsdma_v6_0.o
> 
>  # add DF block
>  amdgpu-y += \
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
> index 32c86a0b145c..f778466bb9db 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
> @@ -23,6 +23,7 @@
> 
>  #include "amdgpu_reset.h"
>  #include "aldebaran.h"
> +#include "sienna_cichlid.h"
> 
>  int amdgpu_reset_add_handler(struct amdgpu_reset_control *reset_ctl,
>  			     struct amdgpu_reset_handler *handler)
> @@ -40,6 +41,9 @@ int amdgpu_reset_init(struct amdgpu_device *adev)
>  	case IP_VERSION(13, 0, 2):
>  		ret = aldebaran_reset_init(adev);
>  		break;
> +	case IP_VERSION(11, 0, 7):
> +		ret = sienna_cichlid_reset_init(adev);
> +		break;
>  	default:
>  		break;
>  	}
> @@ -55,6 +59,9 @@ int amdgpu_reset_fini(struct amdgpu_device *adev)
>  	case IP_VERSION(13, 0, 2):
>  		ret = aldebaran_reset_fini(adev);
>  		break;
> +	case IP_VERSION(11, 0, 7):
> +		ret = sienna_cichlid_reset_fini(adev);
> +		break;
>  	default:
>  		break;
>  	}
> diff --git a/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c
> b/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c
> new file mode 100644
> index 000000000000..0512960bed23
> --- /dev/null
> +++ b/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.c
> @@ -0,0 +1,297 @@
> +/*
> + * 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 "sienna_cichlid.h"
> +#include "amdgpu_reset.h"
> +#include "amdgpu_amdkfd.h"
> +#include "amdgpu_dpm.h"
> +#include "amdgpu_job.h"
> +#include "amdgpu_ring.h"
> +#include "amdgpu_ras.h"
> +#include "amdgpu_psp.h"
> +#include "amdgpu_xgmi.h"
> +
> +static struct amdgpu_reset_handler *
> +sienna_cichlid_get_reset_handler(struct amdgpu_reset_control *reset_ctl,
> +			    struct amdgpu_reset_context *reset_context)
> +{
> +	struct amdgpu_reset_handler *handler;
> +	struct amdgpu_device *adev = (struct amdgpu_device *)reset_ctl-
> >handle;
> +
> +	if (reset_context->method != AMD_RESET_METHOD_NONE) {
> +		list_for_each_entry(handler, &reset_ctl->reset_handlers,
> +				     handler_list) {
> +			if (handler->reset_method == reset_context-
> >method)
> +				return handler;
> +		}
> +	} else {
> +		list_for_each_entry(handler, &reset_ctl->reset_handlers,
> +				     handler_list) {
> +			if (handler->reset_method ==
> AMD_RESET_METHOD_MODE2 &&
> +			    adev->pm.fw_version >= 0x3a5500 &&
> +			    !amdgpu_sriov_vf(adev)) {
> +				reset_context->method =
> AMD_RESET_METHOD_MODE2;
> +				return handler;
> +			}
> +		}
> +	}
> +
> +	return NULL;
> +}
> +
> +static int sienna_cichlid_mode2_suspend_ip(struct amdgpu_device *adev)
> +{
> +	int r, i;
> +
> +	amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE);
> +	amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE);
> +
> +	for (i = adev->num_ip_blocks - 1; i >= 0; i--) {
> +		if (!(adev->ip_blocks[i].version->type ==
> +			      AMD_IP_BLOCK_TYPE_GFX ||
> +		      adev->ip_blocks[i].version->type ==
> +			      AMD_IP_BLOCK_TYPE_SDMA))
> +			continue;
> +
> +		r = adev->ip_blocks[i].version->funcs->suspend(adev);
> +
> +		if (r) {
> +			dev_err(adev->dev,
> +				"suspend of IP block <%s> failed %d\n",
> +				adev->ip_blocks[i].version->funcs->name, r);
> +			return r;
> +		}
> +		adev->ip_blocks[i].status.hw = false;
> +	}
> +
> +	return r;
> +}
> +
> +static int
> +sienna_cichlid_mode2_prepare_hwcontext(struct amdgpu_reset_control
> *reset_ctl,
> +				  struct amdgpu_reset_context
> *reset_context)
> +{
> +	int r = 0;
> +	struct amdgpu_device *adev = (struct amdgpu_device *)reset_ctl-
> >handle;
> +
> +	if (!amdgpu_sriov_vf(adev))
> +		r = sienna_cichlid_mode2_suspend_ip(adev);
> +
> +	return r;
> +}
> +
> +static void sienna_cichlid_async_reset(struct work_struct *work)
> +{
> +	struct amdgpu_reset_handler *handler;
> +	struct amdgpu_reset_control *reset_ctl =
> +		container_of(work, struct amdgpu_reset_control,
> reset_work);
> +	struct amdgpu_device *adev = (struct amdgpu_device *)reset_ctl-
> >handle;
> +
> +	list_for_each_entry(handler, &reset_ctl->reset_handlers,
> +			     handler_list) {
> +		if (handler->reset_method == reset_ctl->active_reset) {
> +			dev_dbg(adev->dev, "Resetting device\n");
> +			handler->do_reset(adev);
> +			break;
> +		}
> +	}
> +}
> +
> +static int sienna_cichlid_mode2_reset(struct amdgpu_device *adev)
> +{
> +	/* disable BM */
> +	pci_clear_master(adev->pdev);
> +	adev->asic_reset_res = amdgpu_dpm_mode2_reset(adev);
> +	return adev->asic_reset_res;
> +}
> +
> +static int
> +sienna_cichlid_mode2_perform_reset(struct amdgpu_reset_control
> *reset_ctl,
> +			      struct amdgpu_reset_context *reset_context)
> +{
> +	struct amdgpu_device *adev = (struct amdgpu_device *)reset_ctl-
> >handle;
> +	int r;
> +
> +	r = sienna_cichlid_mode2_reset(adev);
> +	if (r) {
> +		dev_err(adev->dev,
> +			"ASIC reset failed with error, %d ", r);
> +	}
> +	return r;
> +}
> +
> +static int sienna_cichlid_mode2_restore_ip(struct amdgpu_device *adev)
> +{
> +	int i, r;
> +	struct psp_context *psp = &adev->psp;
> +
> +	r = psp_rlc_autoload_start(psp);
> +	if (r) {
> +		dev_err(adev->dev, "Failed to start rlc autoload\n");
> +		return r;
> +	}
> +
> +	/* Reinit GFXHUB */
> +	adev->gfxhub.funcs->init(adev);
> +	r = adev->gfxhub.funcs->gart_enable(adev);
> +	if (r) {
> +		dev_err(adev->dev, "GFXHUB gart reenable failed after
> reset\n");
> +		return r;
> +	}
> +
> +	for (i = 0; i < adev->num_ip_blocks; i++) {
> +		if (adev->ip_blocks[i].version->type ==
> AMD_IP_BLOCK_TYPE_IH)
> +			r = adev->ip_blocks[i].version->funcs-
> >resume(adev);
> +		if (r) {
> +			dev_err(adev->dev,
> +				"resume of IP block <%s> failed %d\n",
> +				adev->ip_blocks[i].version->funcs->name, r);
> +			return r;
> +		}
> +
> +		adev->ip_blocks[i].status.hw = true;
[Quan, Evan] It seems above operation will set the hw.status to true for all IPs. Although actually the resuming only performed on IH.
That seems an issue.

BR
Evan
> +	}
> +
> +	for (i = 0; i < adev->num_ip_blocks; i++) {
> +		if (!(adev->ip_blocks[i].version->type ==
> +			      AMD_IP_BLOCK_TYPE_GFX ||
> +		      adev->ip_blocks[i].version->type ==
> +			      AMD_IP_BLOCK_TYPE_SDMA))
> +			continue;
> +		r = adev->ip_blocks[i].version->funcs->resume(adev);
> +		if (r) {
> +			dev_err(adev->dev,
> +				"resume of IP block <%s> failed %d\n",
> +				adev->ip_blocks[i].version->funcs->name, r);
> +			return r;
> +		}
> +
> +		adev->ip_blocks[i].status.hw = true;
> +	}
> +
> +	for (i = 0; i < adev->num_ip_blocks; i++) {
> +		if (!(adev->ip_blocks[i].version->type ==
> +			      AMD_IP_BLOCK_TYPE_GFX ||
> +		      adev->ip_blocks[i].version->type ==
> +			      AMD_IP_BLOCK_TYPE_SDMA))
> +			continue;
> +
> +		if (adev->ip_blocks[i].version->funcs->late_init) {
> +			r = adev->ip_blocks[i].version->funcs->late_init(
> +				(void *)adev);
> +			if (r) {
> +				dev_err(adev->dev,
> +					"late_init of IP block <%s> failed %d
> after reset\n",
> +					adev->ip_blocks[i].version->funcs-
> >name,
> +					r);
> +				return r;
> +			}
> +		}
> +		adev->ip_blocks[i].status.late_initialized = true;
> +	}
> +
> +	amdgpu_device_set_cg_state(adev, AMD_CG_STATE_GATE);
> +	amdgpu_device_set_pg_state(adev, AMD_PG_STATE_GATE);
> +
> +	return r;
> +}
> +
> +static int
> +sienna_cichlid_mode2_restore_hwcontext(struct amdgpu_reset_control
> *reset_ctl,
> +				  struct amdgpu_reset_context
> *reset_context)
> +{
> +	int r;
> +	struct amdgpu_device *tmp_adev = (struct amdgpu_device
> *)reset_ctl->handle;
> +
> +	dev_info(tmp_adev->dev,
> +			"GPU reset succeeded, trying to resume\n");
> +	r = sienna_cichlid_mode2_restore_ip(tmp_adev);
> +	if (r)
> +		goto end;
> +
> +	/*
> +	* Add this ASIC as tracked as reset was already
> +	* complete successfully.
> +	*/
> +	amdgpu_register_gpu_instance(tmp_adev);
> +
> +	/* Resume RAS */
> +	amdgpu_ras_resume(tmp_adev);
> +
> +	amdgpu_irq_gpu_reset_resume_helper(tmp_adev);
> +
> +	r = amdgpu_ib_ring_tests(tmp_adev);
> +	if (r) {
> +		dev_err(tmp_adev->dev,
> +			"ib ring test failed (%d).\n", r);
> +		r = -EAGAIN;
> +		tmp_adev->asic_reset_res = r;
> +		goto end;
> +	}
> +
> +end:
> +	if (r)
> +		return -EAGAIN;
> +	else
> +		return r;
> +}
> +
> +static struct amdgpu_reset_handler sienna_cichlid_mode2_handler = {
> +	.reset_method		= AMD_RESET_METHOD_MODE2,
> +	.prepare_env		= NULL,
> +	.prepare_hwcontext	= sienna_cichlid_mode2_prepare_hwcontext,
> +	.perform_reset		=
> sienna_cichlid_mode2_perform_reset,
> +	.restore_hwcontext	= sienna_cichlid_mode2_restore_hwcontext,
> +	.restore_env		= NULL,
> +	.do_reset		= sienna_cichlid_mode2_reset,
> +};
> +
> +int sienna_cichlid_reset_init(struct amdgpu_device *adev)
> +{
> +	struct amdgpu_reset_control *reset_ctl;
> +
> +	reset_ctl = kzalloc(sizeof(*reset_ctl), GFP_KERNEL);
> +	if (!reset_ctl)
> +		return -ENOMEM;
> +
> +	reset_ctl->handle = adev;
> +	reset_ctl->async_reset = sienna_cichlid_async_reset;
> +	reset_ctl->active_reset = AMD_RESET_METHOD_NONE;
> +	reset_ctl->get_reset_handler = sienna_cichlid_get_reset_handler;
> +
> +	INIT_LIST_HEAD(&reset_ctl->reset_handlers);
> +	INIT_WORK(&reset_ctl->reset_work, reset_ctl->async_reset);
> +	/* Only mode2 is handled through reset control now */
> +	amdgpu_reset_add_handler(reset_ctl,
> &sienna_cichlid_mode2_handler);
> +
> +	adev->reset_cntl = reset_ctl;
> +
> +	return 0;
> +}
> +
> +int sienna_cichlid_reset_fini(struct amdgpu_device *adev)
> +{
> +	kfree(adev->reset_cntl);
> +	adev->reset_cntl = NULL;
> +	return 0;
> +}
> diff --git a/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.h
> b/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.h
> new file mode 100644
> index 000000000000..5213b162dacd
> --- /dev/null
> +++ b/drivers/gpu/drm/amd/amdgpu/sienna_cichlid.h
> @@ -0,0 +1,32 @@
> +/*
> + * 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 __SIENNA_CICHLID_H__
> +#define __SIENNA_CICHLID_H__
> +
> +#include "amdgpu.h"
> +
> +int sienna_cichlid_reset_init(struct amdgpu_device *adev);
> +int sienna_cichlid_reset_fini(struct amdgpu_device *adev);
> +
> +#endif
> diff --git
> a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v11_0_7_ppsmc.h
> b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v11_0_7_ppsmc.h
> index d2e10a724560..82cf9e563065 100644
> ---
> a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v11_0_7_ppsmc.h
> +++
> b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu_v11_0_7_ppsmc.h
> @@ -137,7 +137,7 @@
>  #define PPSMC_MSG_DisallowGpo                    0x56
> 
>  #define PPSMC_MSG_Enable2ndUSB20Port             0x57
> -
> -#define PPSMC_Message_Count                      0x58
> +#define PPSMC_MSG_DriverMode2Reset               0x5D
> +#define PPSMC_Message_Count                      0x5E
> 
>  #endif
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
> b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
> index 19084a4fcb2b..28f6a1eb6945 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
> +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/smu_types.h
> @@ -235,7 +235,8 @@
>  	__SMU_DUMMY_MAP(UnforceGfxVid),           \
>  	__SMU_DUMMY_MAP(HeavySBR),			\
>  	__SMU_DUMMY_MAP(SetBadHBMPagesRetiredFlagsPerChannel), \
> -	__SMU_DUMMY_MAP(EnableGfxImu),
> +	__SMU_DUMMY_MAP(EnableGfxImu), \
> +	__SMU_DUMMY_MAP(DriverMode2Reset),
> 
>  #undef __SMU_DUMMY_MAP
>  #define __SMU_DUMMY_MAP(type)	SMU_MSG_##type
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
> b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
> index fa520d79ef67..a73d241bb64f 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
> @@ -154,6 +154,7 @@ static struct cmn2asic_msg_mapping
> sienna_cichlid_message_map[SMU_MSG_MAX_COUNT]
>  	MSG_MAP(SetGpoFeaturePMask,
> 	PPSMC_MSG_SetGpoFeaturePMask,          0),
>  	MSG_MAP(DisallowGpo,
> 	PPSMC_MSG_DisallowGpo,                 0),
>  	MSG_MAP(Enable2ndUSB20Port,
> 	PPSMC_MSG_Enable2ndUSB20Port,          0),
> +	MSG_MAP(DriverMode2Reset,
> 	PPSMC_MSG_DriverMode2Reset,	       0),
>  };
> 
>  static struct cmn2asic_mapping sienna_cichlid_clk_map[SMU_CLK_COUNT]
> = {
> @@ -4254,6 +4255,57 @@ static int
> sienna_cichlid_stb_get_data_direct(struct smu_context *smu,
>  	return 0;
>  }
> 
> +static bool sienna_cichlid_is_mode2_reset_supported(struct smu_context
> *smu)
> +{
> +	return true;
> +}
> +
> +static int sienna_cichlid_mode2_reset(struct smu_context *smu)
> +{
> +	u32 smu_version;
> +	int ret = 0, index;
> +	struct amdgpu_device *adev = smu->adev;
> +	int timeout = 100;
> +
> +	smu_cmn_get_smc_version(smu, NULL, &smu_version);
> +
> +	index = smu_cmn_to_asic_specific_index(smu,
> CMN2ASIC_MAPPING_MSG,
> +
> 	SMU_MSG_DriverMode2Reset);
> +
> +	mutex_lock(&smu->message_lock);
> +
> +	ret = smu_cmn_send_msg_without_waiting(smu, (uint16_t)index,
> +					       SMU_RESET_MODE_2);
> +
> +	ret = smu_cmn_wait_for_response(smu);
> +	while (ret != 0 && timeout) {
> +		ret = smu_cmn_wait_for_response(smu);
> +		/* Wait a bit more time for getting ACK */
> +		if (ret != 0) {
> +			--timeout;
> +			usleep_range(500, 1000);
> +			continue;
> +		} else {
> +			break;
> +		}
> +	}
> +
> +	if (!timeout) {
> +		dev_err(adev->dev,
> +			"failed to send mode2 message \tparam: 0x%08x
> response %#x\n",
> +			SMU_RESET_MODE_2, ret);
> +		goto out;
> +	}
> +
> +	dev_info(smu->adev->dev, "restore config space...\n");
> +	/* Restore the config space saved during init */
> +	amdgpu_device_load_pci_state(adev->pdev);
> +out:
> +	mutex_unlock(&smu->message_lock);
> +
> +	return ret;
> +}
> +
>  static const struct pptable_funcs sienna_cichlid_ppt_funcs = {
>  	.get_allowed_feature_mask =
> sienna_cichlid_get_allowed_feature_mask,
>  	.set_default_dpm_table = sienna_cichlid_set_default_dpm_table,
> @@ -4348,6 +4400,8 @@ static const struct pptable_funcs
> sienna_cichlid_ppt_funcs = {
>  	.get_default_config_table_settings =
> sienna_cichlid_get_default_config_table_settings,
>  	.set_config_table = sienna_cichlid_set_config_table,
>  	.get_unique_id = sienna_cichlid_get_unique_id,
> +	.mode2_reset_is_support =
> sienna_cichlid_is_mode2_reset_supported,
> +	.mode2_reset = sienna_cichlid_mode2_reset,
>  };
> 
>  void sienna_cichlid_set_ppt_funcs(struct smu_context *smu)
> --
> 2.25.1




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