[AMD Official Use Only] Since you use dev_warn, "RAS WARNING" is better than "RAS INFO" in the print message, with this fixed the patch is: Reviewed-by: Tao Zhou <tao.zhou1@xxxxxxx> > -----Original Message----- > From: Stanley.Yang <Stanley.Yang@xxxxxxx> > Sent: Thursday, January 13, 2022 9:28 AM > To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: Zhang, Hawking <Hawking.Zhang@xxxxxxx>; Clements, John > <John.Clements@xxxxxxx>; Zhou1, Tao <Tao.Zhou1@xxxxxxx>; Yang, > Stanley <Stanley.Yang@xxxxxxx> > Subject: [PATCH Review 1/1] drm/amdgpu: handle denied inject error into > critical regions v2 > > Changed from v1: > remove unused brace > > Signed-off-by: Stanley.Yang <Stanley.Yang@xxxxxxx> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 9 ++++++++- > drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 2 +- > drivers/gpu/drm/amd/amdgpu/ta_ras_if.h | 3 ++- > 3 files changed, 11 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c > index c742d1aacf5a..144176779f9e 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c > @@ -1309,6 +1309,11 @@ static void psp_ras_ta_check_status(struct > psp_context *psp) > break; > case TA_RAS_STATUS__SUCCESS: > break; > + case TA_RAS_STATUS__TEE_ERROR_ACCESS_DENIED: > + if (ras_cmd->cmd_id == TA_RAS_COMMAND__TRIGGER_ERROR) > + dev_warn(psp->adev->dev, > + "RAS INFO: Inject error to critical > region is not allowed\n"); > + break; > default: > dev_warn(psp->adev->dev, > "RAS WARNING: ras status = 0x%X\n", > ras_cmd->ras_status); @@ -1521,7 +1526,9 @@ int > psp_ras_trigger_error(struct psp_context *psp, > if (amdgpu_ras_intr_triggered()) > return 0; > > - if (ras_cmd->ras_status) > + if (ras_cmd->ras_status == > TA_RAS_STATUS__TEE_ERROR_ACCESS_DENIED) > + return -EACCES; > + else if (ras_cmd->ras_status) > return -EINVAL; > > return 0; > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c > index e674dbed3615..8bdc2e85cb20 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c > @@ -449,7 +449,7 @@ static ssize_t amdgpu_ras_debugfs_ctrl_write(struct file > *f, > } > > if (ret) > - return -EINVAL; > + return ret; > > return size; > } > diff --git a/drivers/gpu/drm/amd/amdgpu/ta_ras_if.h > b/drivers/gpu/drm/amd/amdgpu/ta_ras_if.h > index 5093826a43d1..509d8a1945eb 100644 > --- a/drivers/gpu/drm/amd/amdgpu/ta_ras_if.h > +++ b/drivers/gpu/drm/amd/amdgpu/ta_ras_if.h > @@ -64,7 +64,8 @@ enum ta_ras_status { > TA_RAS_STATUS__ERROR_PCS_STATE_ERROR = 0xA016, > TA_RAS_STATUS__ERROR_PCS_STATE_HANG = 0xA017, > TA_RAS_STATUS__ERROR_PCS_STATE_UNKNOWN = 0xA018, > - TA_RAS_STATUS__ERROR_UNSUPPORTED_ERROR_INJ = 0xA019 > + TA_RAS_STATUS__ERROR_UNSUPPORTED_ERROR_INJ = 0xA019, > + TA_RAS_STATUS__TEE_ERROR_ACCESS_DENIED = 0xA01A > }; > > enum ta_ras_block { > -- > 2.17.1