From 47930de4aa7068188e64475cdc0f2c8f4e1ff194 Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Tue, 3 Sep 2019 06:23:12 +0800 Subject: drm/amdgpu/mmhub: switch to amdgpu_mmhub_ras_late_init helper function amdgpu_mmhub_ras_late_init is used to init mmhub specfic ras debugfs/sysfs node and mmhub specific interrupt handler. It can be shared among mmhub generations Signed-off-by: Hawking Zhang Reviewed-by: Tao Zhou Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.c | 56 +++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.c (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.c new file mode 100644 index 000000000000..99ef6b1f8526 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mmhub.c @@ -0,0 +1,56 @@ +/* + * Copyright 2019 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_mmhub_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 = "mmhub_err_count", + .debugfs_name = "mmhub_err_inject", + }; + + if (!adev->gmc.mmhub_ras_if) { + adev->gmc.mmhub_ras_if = kmalloc(sizeof(struct ras_common_if), GFP_KERNEL); + if (!adev->gmc.mmhub_ras_if) + return -ENOMEM; + adev->gmc.mmhub_ras_if->block = AMDGPU_RAS_BLOCK__MMHUB; + adev->gmc.mmhub_ras_if->type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE; + adev->gmc.mmhub_ras_if->sub_block_index = 0; + strcpy(adev->gmc.mmhub_ras_if->name, "mmhub"); + } + ih_info.head = fs_info.head = *adev->gmc.mmhub_ras_if; + r = amdgpu_ras_late_init(adev, adev->gmc.mmhub_ras_if, + &fs_info, &ih_info); + if (r || !amdgpu_ras_is_supported(adev, adev->gmc.mmhub_ras_if->block)) { + kfree(adev->gmc.mmhub_ras_if); + adev->gmc.mmhub_ras_if = NULL; + } + + return r; +} -- cgit v1.2.3