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drm/amdgpu: Get timestamp from system time

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Get system local time and encode it to timestamp for CPER.

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>
This commit is contained in:
Xiang Liu
2025-02-11 11:39:06 +08:00
committed by Alex Deucher
parent f3e10e1a0c
commit b3060f5bea
1 changed files with 18 additions and 1 deletions
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19
drivers/gpu/drm/amd/amdgpu/amdgpu_cper.c
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@@ -36,6 +36,22 @@ static void __inc_entry_length(struct cper_hdr *hdr, uint32_t size)
hdr->record_length += size;
}
static void amdgpu_cper_get_timestamp(struct cper_timestamp *timestamp)
{
struct tm tm;
time64_t now = ktime_get_real_seconds();
time64_to_tm(now, 0, &tm);
timestamp->seconds = tm.tm_sec;
timestamp->minutes = tm.tm_min;
timestamp->hours = tm.tm_hour;
timestamp->flag = 0;
timestamp->day = tm.tm_mday;
timestamp->month = 1 + tm.tm_mon;
timestamp->year = (1900 + tm.tm_year) % 100;
timestamp->century = (1900 + tm.tm_year) / 100;
}
void amdgpu_cper_entry_fill_hdr(struct amdgpu_device *adev,
struct cper_hdr *hdr,
enum amdgpu_cper_type type,
@@ -52,7 +68,8 @@ void amdgpu_cper_entry_fill_hdr(struct amdgpu_device *adev,
hdr->valid_bits.platform_id = 1;
hdr->valid_bits.partition_id = 1;
hdr->valid_bits.timestamp = 1;
/*TODO need to initialize hdr->timestamp */
amdgpu_cper_get_timestamp(&hdr->timestamp);
snprintf(hdr->record_id, 8, "%d", atomic_inc_return(&adev->cper.unique_id));
snprintf(hdr->platform_id, 16, "0x%04X:0x%04X",