From b11625f56f09f125c2e608893bfceb84e92e52f9 Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Wed, 28 Apr 2021 21:07:41 +0800 Subject: [PATCH] drm/amdgpu: add helpers for hdp ras init/fini hdp ras init/fini are common functions that can be shared among hdp generations Signed-off-by: Hawking Zhang Reviewed-by: John Clements Reviewed-by: Dennis Li Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/Makefile | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c | 69 +++++++++++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.h | 2 + 3 files changed, 72 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile index ee85e8a..418e674 100644 --- a/drivers/gpu/drm/amd/amdgpu/Makefile +++ b/drivers/gpu/drm/amd/amdgpu/Makefile @@ -56,7 +56,7 @@ amdgpu-y += amdgpu_device.o amdgpu_kms.o \ amdgpu_gmc.o amdgpu_mmhub.o amdgpu_xgmi.o amdgpu_csa.o amdgpu_ras.o amdgpu_vm_cpu.o \ amdgpu_vm_sdma.o amdgpu_discovery.o amdgpu_ras_eeprom.o amdgpu_nbio.o \ amdgpu_umc.o smu_v11_0_i2c.o amdgpu_fru_eeprom.o amdgpu_rap.o \ - amdgpu_fw_attestation.o amdgpu_securedisplay.o + amdgpu_fw_attestation.o amdgpu_securedisplay.o amdgpu_hdp.o amdgpu-$(CONFIG_PERF_EVENTS) += amdgpu_pmu.o diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c new file mode 100644 index 0000000..1d50d53 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.c @@ -0,0 +1,69 @@ +/* + * 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_ras.h" + +int amdgpu_hdp_ras_late_init(struct amdgpu_device *adev) +{ + int r; + struct ras_ih_if ih_info = { + .cb = NULL, + }; + struct ras_fs_if fs_info = { + .sysfs_name = "hdp_err_count", + }; + + if (!adev->hdp.ras_if) { + adev->hdp.ras_if = kmalloc(sizeof(struct ras_common_if), GFP_KERNEL); + if (!adev->hdp.ras_if) + return -ENOMEM; + adev->hdp.ras_if->block = AMDGPU_RAS_BLOCK__HDP; + adev->hdp.ras_if->type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE; + adev->hdp.ras_if->sub_block_index = 0; + strcpy(adev->hdp.ras_if->name, "hdp"); + } + ih_info.head = fs_info.head = *adev->hdp.ras_if; + r = amdgpu_ras_late_init(adev, adev->hdp.ras_if, + &fs_info, &ih_info); + if (r || !amdgpu_ras_is_supported(adev, adev->hdp.ras_if->block)) { + kfree(adev->hdp.ras_if); + adev->hdp.ras_if = NULL; + } + + return r; +} + +void amdgpu_hdp_ras_fini(struct amdgpu_device *adev) +{ + if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__HDP) && + adev->hdp.ras_if) { + struct ras_common_if *ras_if = adev->hdp.ras_if; + struct ras_ih_if ih_info = { + .cb = NULL, + }; + + amdgpu_ras_late_fini(adev, ras_if, &ih_info); + kfree(ras_if); + } +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.h index c89cf8d..ba6f272 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_hdp.h @@ -47,4 +47,6 @@ struct amdgpu_hdp { const struct amdgpu_hdp_ras_funcs *ras_funcs; }; +int amdgpu_hdp_ras_late_init(struct amdgpu_device *adev); +void amdgpu_hdp_ras_fini(struct amdgpu_device *adev); #endif /* __AMDGPU_HDP_H__ */ -- 2.7.4