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authorCandice Li <candice.li@amd.com>2023-10-25 12:27:16 +0300
committerAlex Deucher <alexander.deucher@amd.com>2023-10-27 21:15:03 +0300
commitd59fcfb0848b49d5efc62079d3aad4bbaf760aa1 (patch)
tree6ddd45e6065dc570a202a253d6e1175098885bc2 /drivers/gpu/drm/amd/amdgpu/umc_v12_0.c
parentf7a17b2b36043a4cc9e2d0b0eea7647133f78b13 (diff)
downloadlinux-d59fcfb0848b49d5efc62079d3aad4bbaf760aa1.tar.xz
drm/amdgpu: Identify data parity error corrected in replay mode
Use ErrorCodeExt field to identify data parity error in replay mode. Signed-off-by: Candice Li <candice.li@amd.com> Reviewed-by: Tao Zhou <tao.zhou1@amd.com> Reviewed-by: Yang Wang <kevinyang.wang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/umc_v12_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/umc_v12_0.c32
1 files changed, 23 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c
index 025e6aeb058d..743d2f68b090 100644
--- a/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/umc_v12_0.c
@@ -88,6 +88,27 @@ static void umc_v12_0_reset_error_count(struct amdgpu_device *adev)
umc_v12_0_reset_error_count_per_channel, NULL);
}
+static bool umc_v12_0_is_uncorrectable_error(uint64_t mc_umc_status)
+{
+ return ((REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1) &&
+ (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Deferred) == 1 ||
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, PCC) == 1 ||
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UC) == 1 ||
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, TCC) == 1));
+}
+
+static bool umc_v12_0_is_correctable_error(uint64_t mc_umc_status)
+{
+ return (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
+ (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1 ||
+ (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 &&
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UC) == 0) ||
+ /* Identify data parity error in replay mode */
+ ((REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, ErrorCodeExt) == 0x5 ||
+ REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, ErrorCodeExt) == 0xb) &&
+ !(umc_v12_0_is_uncorrectable_error(mc_umc_status)))));
+}
+
static void umc_v12_0_query_correctable_error_count(struct amdgpu_device *adev,
uint64_t umc_reg_offset,
unsigned long *error_count)
@@ -104,10 +125,7 @@ static void umc_v12_0_query_correctable_error_count(struct amdgpu_device *adev,
mc_umc_status =
RREG64_PCIE_EXT((mc_umc_status_addr + umc_reg_offset) * 4);
- if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
- (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1 ||
- (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 &&
- REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UC) == 0)))
+ if (umc_v12_0_is_correctable_error(mc_umc_status))
*error_count += 1;
}
@@ -125,11 +143,7 @@ static void umc_v12_0_query_uncorrectable_error_count(struct amdgpu_device *adev
mc_umc_status =
RREG64_PCIE_EXT((mc_umc_status_addr + umc_reg_offset) * 4);
- if ((REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1) &&
- (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Deferred) == 1 ||
- REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, PCC) == 1 ||
- REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UC) == 1 ||
- REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, TCC) == 1))
+ if (umc_v12_0_is_uncorrectable_error(mc_umc_status))
*error_count += 1;
}