kernel/linux.git/drivers/gpu/drm/amd/amdgpu/amdgpu_cper.h, branch v6.19.11Linux kernel stable tree (mirror)https://git.radix-linux.su/kernel/linux.git/atom?h=v6.19.112025-10-28T15:02:36+00:00drm/amdgpu: fix SPDX headers on amdgpu_cper.c/h2025-10-28T15:02:36+00:00Alex Deucheralexander.deucher@amd.com2025-10-22T13:12:54+00:00urn:sha1:f3b37ebf2c94e3a3d7bbf5e3788ad86cf30fc7be
These should be MIT. The driver in general is MIT and
the license text at the top of the files is MIT so fix
it.
Fixes: 92d5d2a09de1 ("drm/amdgpu: Introduce funcs for populating CPER")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4654
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit abd3f876404cafb107cb34bacb74706bfee11cbe)
drm/amdgpu: Generate bad page threshold cper records2025-02-17T19:09:30+00:00Xiang Liuxiang.liu@amd.com2025-02-11T11:45:52+00:00urn:sha1:f9d35b945c599e8dbed17f484e82b4ad3d21721a
Generate CPER record when bad page threshold exceed and
commit to CPER ring.
v2: return -ENOMEM instead of false
v2: check return value of fill section function
Signed-off-by: Xiang Liu <xiang.liu@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: add mutex lock for cper ring2025-02-17T19:09:30+00:00Tao Zhoutao.zhou1@amd.com2025-02-10T07:28:37+00:00urn:sha1:8652920d2c00243e8a8ca91560a30488d95d9a1b
Avoid the confliction between read and write of ring buffer.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: add data write function for CPER ring2025-02-17T19:09:30+00:00Tao Zhoutao.zhou1@amd.com2025-01-22T09:08:11+00:00urn:sha1:a6d9d192903ea12b4d5c55b5bc3cd9466d2d4e0d
Old CPER data will be overwritten if ring buffer is full, and read
pointer always points to CPER header.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: add RAS CPER ring buffer2025-02-17T19:09:29+00:00Tao Zhoutao.zhou1@amd.com2025-01-22T08:55:51+00:00urn:sha1:4d614ce8ffd757e4c7944bf9b5598b4a250a8a61
And initialize it, this is a pure software ring to store RAS CPER data.
v2: change ring size to 0x100000
v2: update the initialization of count_dw of cper ring, it's dword
variable
v3: skip VM inv eng for cper
v3: init/fini when aca enabled
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Xiang Liu <xiang.liu@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Introduce funcs for generating cper record2025-02-17T19:09:29+00:00Hawking ZhangHawking.Zhang@amd.com2025-01-26T09:15:48+00:00urn:sha1:ad97840f954cc6834cc92324de9cde27ff0263db
Introduce new functions that are used to generate
cper ue or ce records.
v2: return -ENOMEM instead of false
v2: check return value of fill section function
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Xiang Liu <xiang.liu@amd.com>
Reviewed-by: Yang Wang <keivnyang.wang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drm/amdgpu: Introduce funcs for populating CPER2025-02-17T19:09:29+00:00Hawking ZhangHawking.Zhang@amd.com2025-01-24T15:37:33+00:00urn:sha1:92d5d2a09de16706fca340b6c1c197e562690da4
Introduce utility functions designed to assist
in populating CPER records.
v2: call cper_init/fini in device_ip_init/fini.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>