openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Kevin Wang 2019-01-07 15:34:09 +08:00 committed by Alex Deucher
parent 74ba3553b2
commit dbe6a97024
2 changed files with 39 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View File

@ -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;

3
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
View File

@ -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