From: Kevin Wang <Kevin1.Wang@xxxxxxx>
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@xxxxxxx>
Reviewed-by: Huang Rui <ray.huang@xxxxxxx>
---
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
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