diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/umc_v6_1.c | 32 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/umc_v6_1.h | 7 |
2 files changed, 39 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c b/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c index 5747a02526244..0ab2e96b4f77a 100644 --- a/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c +++ b/drivers/gpu/drm/amd/amdgpu/umc_v6_1.c @@ -207,9 +207,41 @@ static void umc_v6_1_query_ras_error_address(struct amdgpu_device *adev, amdgpu_umc_for_each_channel(umc_v6_1_query_error_address); } +static void umc_v6_1_ras_init_per_channel(struct amdgpu_device *adev, + struct ras_err_data *err_data, + uint32_t umc_reg_offset, uint32_t channel_index) +{ + uint32_t ecc_err_cnt_sel, ecc_err_cnt_sel_addr; + uint32_t ecc_err_cnt_addr; + + ecc_err_cnt_sel_addr = + SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_EccErrCntSel); + ecc_err_cnt_addr = + SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_EccErrCnt); + + /* select the lower chip and check the error count */ + ecc_err_cnt_sel = RREG32(ecc_err_cnt_sel_addr + umc_reg_offset); + ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_EccErrCntSel, + EccErrCntCsSel, 0); + /* set ce error interrupt type to APIC based interrupt */ + ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_EccErrCntSel, + EccErrInt, 0x1); + WREG32(ecc_err_cnt_sel_addr + umc_reg_offset, ecc_err_cnt_sel); + /* set error count to initial value */ + WREG32(ecc_err_cnt_addr + umc_reg_offset, UMC_V6_1_CE_CNT_INIT); + + /* select the higher chip and check the err counter */ + ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_EccErrCntSel, + EccErrCntCsSel, 1); + WREG32(ecc_err_cnt_sel_addr + umc_reg_offset, ecc_err_cnt_sel); + WREG32(ecc_err_cnt_addr + umc_reg_offset, UMC_V6_1_CE_CNT_INIT); +} + static void umc_v6_1_ras_init(struct amdgpu_device *adev) { + void *ras_error_status = NULL; + amdgpu_umc_for_each_channel(umc_v6_1_ras_init_per_channel); } const struct amdgpu_umc_funcs umc_v6_1_funcs = { diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v6_1.h b/drivers/gpu/drm/amd/amdgpu/umc_v6_1.h index ad4598c0e4958..dab9cbd292c5d 100644 --- a/drivers/gpu/drm/amd/amdgpu/umc_v6_1.h +++ b/drivers/gpu/drm/amd/amdgpu/umc_v6_1.h @@ -37,6 +37,13 @@ /* UMC regiser per channel offset */ #define UMC_V6_1_PER_CHANNEL_OFFSET 0x800 +/* EccErrCnt max value */ +#define UMC_V6_1_CE_CNT_MAX 0xffff +/* umc ce interrupt threshold */ +#define UMC_V6_1_CE_INT_THRESHOLD 0xffff +/* umc ce count initial value */ +#define UMC_V6_1_CE_CNT_INIT (UMC_V6_1_CE_CNT_MAX - UMC_V6_1_CE_INT_THRESHOLD) + extern const struct amdgpu_umc_funcs umc_v6_1_funcs; extern const uint32_t umc_v6_1_channel_idx_tbl[UMC_V6_1_UMC_INSTANCE_NUM][UMC_V6_1_CHANNEL_INSTANCE_NUM]; |