diff options
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/amdgpu_smu.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 9320cf3ef036..b4cc0dc00189 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -529,8 +529,14 @@ int smu_update_table(struct smu_context *smu, enum smu_table_id table_index, int table_size = smu_table->tables[table_index].size; - if (drv2smu) + if (drv2smu) { memcpy(table->cpu_addr, table_data, table_size); + /* + * Flush hdp cache: to guard the content seen by + * GPU is consitent with CPU. + */ + amdgpu_asic_flush_hdp(adev, NULL); + } ret = smu_send_smc_msg_with_param(smu, drv2smu ? SMU_MSG_TransferTableDram2Smu : @@ -539,11 +545,10 @@ int smu_update_table(struct smu_context *smu, enum smu_table_id table_index, int if (ret) return ret; - /* flush hdp cache */ - adev->nbio.funcs->hdp_flush(adev, NULL); - - if (!drv2smu) + if (!drv2smu) { + amdgpu_asic_flush_hdp(adev, NULL); memcpy(table_data, table->cpu_addr, table_size); + } return ret; } |