drm/amdgpu: Add support for update_table for SMU15
authorPratik Vishwakarma <Pratik.Vishwakarma@amd.com>
Thu, 8 Jan 2026 09:01:02 +0000 (09:01 +0000)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 12 Feb 2026 20:21:06 +0000 (15:21 -0500)
Add update_table for SMU 15_0_0

Signed-off-by: Pratik Vishwakarma <Pratik.Vishwakarma@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/pm/swsmu/inc/smu_v15_0.h
drivers/gpu/drm/amd/pm/swsmu/smu15/smu_v15_0.c

index 14e8d8c..af87c31 100644 (file)
@@ -241,5 +241,10 @@ int smu_v15_0_enable_thermal_alert(struct smu_context *smu);
 
 int smu_v15_0_disable_thermal_alert(struct smu_context *smu);
 
+int smu_v15_0_0_update_table(struct smu_context *smu,
+                        enum smu_table_id table_index,
+                        int argument, void *table_data,
+                        bool drv2smu);
+
 #endif
 #endif
index a2854d5..d7a4d5d 100644 (file)
@@ -1726,6 +1726,64 @@ int smu_v15_0_set_gfx_power_up_by_imu(struct smu_context *smu)
        return ret;
 }
 
+int smu_v15_0_0_update_table(struct smu_context *smu,
+                        enum smu_table_id table_index,
+                        int argument,
+                        void *table_data,
+                        bool drv2smu)
+{
+       struct smu_table_context *smu_table = &smu->smu_table;
+       struct amdgpu_device *adev = smu->adev;
+       struct smu_table *table = &smu_table->driver_table;
+       int table_id = smu_cmn_to_asic_specific_index(smu,
+                                                     CMN2ASIC_MAPPING_TABLE,
+                                                     table_index);
+       uint64_t address;
+       uint32_t table_size;
+       int ret;
+       struct smu_msg_ctl *ctl = &smu->msg_ctl;
+
+       if (!table_data || table_index >= SMU_TABLE_COUNT || table_id < 0)
+               return -EINVAL;
+
+       table_size = smu_table->tables[table_index].size;
+
+       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_hdp_flush(adev, NULL);
+       }
+
+       address = table->mc_address;
+
+       struct smu_msg_args args = {
+               .msg = drv2smu ?
+                               SMU_MSG_TransferTableDram2Smu :
+                               SMU_MSG_TransferTableSmu2Dram,
+               .num_args = 3,
+               .num_out_args = 0,
+       };
+
+       args.args[0] = table_id;
+       args.args[1] = (uint32_t)lower_32_bits(address);
+       args.args[2] = (uint32_t)upper_32_bits(address);
+
+       ret = ctl->ops->send_msg(ctl, &args);
+
+       if (ret)
+               return ret;
+
+       if (!drv2smu) {
+               amdgpu_hdp_invalidate(adev, NULL);
+               memcpy(table_data, table->cpu_addr, table_size);
+       }
+
+       return 0;
+}
+
 int smu_v15_0_set_default_dpm_tables(struct smu_context *smu)
 {
        struct smu_table_context *smu_table = &smu->smu_table;