diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/umc_v12_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/umc_v12_0.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c index 0faa21d8a7b4..9dbb13adb661 100644 --- a/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c @@ -29,6 +29,7 @@ #include "mp/mp_13_0_6_sh_mask.h" #define MAX_ECC_NUM_PER_RETIREMENT 32 +#define DELAYED_TIME_FOR_GPU_RESET 1000 //ms static inline uint64_t get_umc_v12_0_reg_offset(struct amdgpu_device *adev, uint32_t node_inst, @@ -568,6 +569,23 @@ static int umc_v12_0_update_ecc_status(struct amdgpu_device *adev, con->umc_ecc_log.de_queried_count++; + /* The problem case is as follows: + * 1. GPU A triggers a gpu ras reset, and GPU A drives + * GPU B to also perform a gpu ras reset. + * 2. After gpu B ras reset started, gpu B queried a DE + * data. Since the DE data was queried in the ras reset + * thread instead of the page retirement thread, bad + * page retirement work would not be triggered. Then + * even if all gpu resets are completed, the bad pages + * will be cached in RAM until GPU B's bad page retirement + * work is triggered again and then saved to eeprom. + * Trigger delayed work to save the bad pages to eeprom in time + * after gpu ras reset is completed. + */ + if (amdgpu_ras_in_recovery(adev)) + schedule_delayed_work(&con->page_retirement_dwork, + msecs_to_jiffies(DELAYED_TIME_FOR_GPU_RESET)); + return 0; } |