diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c index ea6f50c08c5f..ee1a312fd497 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c @@ -94,10 +94,10 @@ static void smu_cmn_read_arg(struct smu_context *smu, /** * __smu_cmn_poll_stat -- poll for a status from the SMU - * smu: a pointer to SMU context + * @smu: a pointer to SMU context * * Returns the status of the SMU, which could be, - * 0, the SMU is busy with your previous command; + * 0, the SMU is busy with your command; * 1, execution status: success, execution result: success; * 0xFF, execution status: success, execution result: failure; * 0xFE, unknown command; @@ -257,10 +257,11 @@ int smu_cmn_send_msg_without_waiting(struct smu_context *smu, uint16_t msg_index, uint32_t param) { + struct amdgpu_device *adev = smu->adev; u32 reg; int res; - if (smu->adev->no_hw_access) + if (adev->no_hw_access) return 0; reg = __smu_cmn_poll_stat(smu); @@ -272,6 +273,12 @@ int smu_cmn_send_msg_without_waiting(struct smu_context *smu, __smu_cmn_send_msg(smu, msg_index, param); res = 0; Out: + if (unlikely(adev->pm.smu_debug_mask & SMU_DEBUG_HALT_ON_ERROR) && + res && (res != -ETIME)) { + amdgpu_device_halt(adev); + WARN_ON(1); + } + return res; } @@ -288,9 +295,18 @@ Out: int smu_cmn_wait_for_response(struct smu_context *smu) { u32 reg; + int res; reg = __smu_cmn_poll_stat(smu); - return __smu_cmn_reg2errno(smu, reg); + res = __smu_cmn_reg2errno(smu, reg); + + if (unlikely(smu->adev->pm.smu_debug_mask & SMU_DEBUG_HALT_ON_ERROR) && + res && (res != -ETIME)) { + amdgpu_device_halt(smu->adev); + WARN_ON(1); + } + + return res; } /** @@ -328,10 +344,11 @@ int smu_cmn_send_smc_msg_with_param(struct smu_context *smu, uint32_t param, uint32_t *read_arg) { + struct amdgpu_device *adev = smu->adev; int res, index; u32 reg; - if (smu->adev->no_hw_access) + if (adev->no_hw_access) return 0; index = smu_cmn_to_asic_specific_index(smu, @@ -352,11 +369,16 @@ int smu_cmn_send_smc_msg_with_param(struct smu_context *smu, __smu_cmn_send_msg(smu, (uint16_t) index, param); reg = __smu_cmn_poll_stat(smu); res = __smu_cmn_reg2errno(smu, reg); - if (res == -EREMOTEIO) + if (res != 0) __smu_cmn_reg_print_error(smu, reg, index, param, msg); if (read_arg) smu_cmn_read_arg(smu, read_arg); Out: + if (unlikely(adev->pm.smu_debug_mask & SMU_DEBUG_HALT_ON_ERROR) && res) { + amdgpu_device_halt(adev); + WARN_ON(1); + } + mutex_unlock(&smu->message_lock); return res; } |