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drm/amdgpu: implement umc ras init function 

enable umc ce interrupt and initialize ecc error count

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tao Zhou 2019-07-29 17:01:39 +08:00 committed by Alex Deucher
parent 51437623a0
commit b7f92097f5
2 changed files with 39 additions and 0 deletions
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32
drivers/gpu/drm/amd/amdgpu/umc_v6_1.c
View File

@ -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 = {

7
drivers/gpu/drm/amd/amdgpu/umc_v6_1.h
View File

@ -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];