From: Kevin Wang <[email protected]> sometime, the driver need changed table data between driver and smu. this function can help update table data
Signed-off-by: Kevin Wang <[email protected]> Reviewed-by: Huang Rui <[email protected]> --- drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 30 ++++++++++++++++++++++++++ drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 2 ++ 2 files changed, 32 insertions(+) diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 172b844..a6503b4 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -29,6 +29,36 @@ #include "smu_v11_0.h" #include "atom.h" +int smu_update_table(struct smu_context *smu, uint32_t table_id, void *table_data, bool drv2smu) +{ + struct smu_table_context *smu_table = &smu->smu_table; + struct smu_table *table = NULL; + int ret = 0; + + if (!table_data || table_id >= smu_table->table_count) + return -EINVAL; + + table = &smu_table->tables[table_id]; + + if (drv2smu) + memcpy(table->cpu_addr, table_data, table->size); + + ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetDriverDramAddrHigh, upper_32_bits(table->mc_address)); + if (ret) + return ret; + ret = smu_send_smc_msg_with_param(smu, SMU_MSG_SetDriverDramAddrLow, lower_32_bits(table->mc_address)); + if (ret) + return ret; + ret = smu_send_smc_msg_with_param(smu, drv2smu ? SMU_MSG_TransferTableDram2Smu : SMU_MSG_TransferTableSmu2Dram, table_id); + if (ret) + return ret; + + if (!drv2smu) + memcpy(table_data, table->cpu_addr, table->size); + + return ret; +} + int smu_feature_init_dpm(struct smu_context *smu) { struct smu_feature *feature = &smu->smu_feature; diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index fe86a7f..2daf318 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -364,4 +364,6 @@ extern int smu_feature_set_enabled(struct smu_context *smu, int feature_id, bool extern int smu_feature_is_supported(struct smu_context *smu, int feature_id); extern int smu_feature_set_supported(struct smu_context *smu, int feature_id, bool enable); +int smu_update_table(struct smu_context *smu, uint32_t table_id, void *table_data, bool drv2smu); + #endif -- 2.7.4 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
