diff options
| author | Kevin Wang <Kevin1.Wang@amd.com> | 2019-01-07 10:34:09 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 23:03:57 +0300 |
| commit | dbe6a97024a6eeadf7912383e05118ff98883d2d (patch) | |
| tree | 0e14b1c45dfa5cd8107386c4be21350c9a3d57e0 | |
| parent | 74ba3553b2bb26adb36dd7d0b13b85bca64f3ef2 (diff) | |
| download | linux-dbe6a97024a6eeadf7912383e05118ff98883d2d.tar.xz | |
drm/amd/powerplay: implement smu update table function
sometime, the driver need changed table data between driver and smu.
this function can help update table data
Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 36 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 |
2 files changed, 39 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 172b84480d6c..56095a400731 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -29,6 +29,42 @@ #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 fe86a7fdfebf..c159e4d731fe 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -364,4 +364,7 @@ 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 |