ras error query funtionality implementation
Change-Id: Id7d8c35621960685a2a7507e4e95939f5a05bdc6
Signed-off-by: Tao Zhou <tao.zhou1@xxxxxxx>
Signed-off-by: Guchun Chen <guchun.chen@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c | 30 ++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
index fa6a8918dc8c..b776332d979f 100644
--- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_4.c
@@ -476,6 +476,36 @@ static int nbio_v7_4_init_ras_err_event_athub_interrupt (struct amdgpu_device *a
static void nbio_v7_4_query_ras_error_count(struct amdgpu_device *adev,
void *ras_error_status)
{
+ uint32_t global_sts, central_sts, int_eoi;
+ uint32_t corr, fatal, non_fatal;
+ struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
+
+ global_sts = RREG32_PCIE(smnRAS_GLOBAL_STATUS_LO);
+ corr = REG_GET_FIELD(global_sts, RAS_GLOBAL_STATUS_LO, ParityErrCorr);
+ fatal = REG_GET_FIELD(global_sts, RAS_GLOBAL_STATUS_LO, ParityErrFatal);
+ non_fatal = REG_GET_FIELD(global_sts, RAS_GLOBAL_STATUS_LO,
+ ParityErrNonFatal);
+
+ if (corr)
+ err_data->ce_count++;
+ if (fatal)
+ err_data->ue_count++;
+
+ if (corr || fatal || non_fatal) {
+ central_sts = RREG32_PCIE(smnBIFL_RAS_CENTRAL_STATUS);
+ /* clear error status register */
+ WREG32_PCIE(smnRAS_GLOBAL_STATUS_LO, global_sts);
+
+ if (REG_GET_FIELD(central_sts, BIFL_RAS_CENTRAL_STATUS,
+ BIFL_RasContller_Intr_Recv)) {
+ /* clear interrupt status register */
+ WREG32_PCIE(smnBIFL_RAS_CENTRAL_STATUS, central_sts);
+ int_eoi = RREG32_PCIE(smnIOHC_INTERRUPT_EOI);
+ int_eoi = REG_SET_FIELD(int_eoi,
+ IOHC_INTERRUPT_EOI, SMI_EOI, 1);
+ WREG32_PCIE(smnIOHC_INTERRUPT_EOI, int_eoi);
+ }
+ }
}
const struct amdgpu_nbio_funcs nbio_v7_4_funcs = {
--
2.17.1
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