drm/amd/powerplay: implement read_pptable_from_vbios function for smu11

This patch implements the function of read_pptable_from_vbios for smu11.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Kevin Wang <Kevin1.Wang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index a2a0ee1..efc3e4b 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -25,6 +25,7 @@
 #include "amdgpu.h"
 #include "amdgpu_smu.h"
 #include "atomfirmware.h"
+#include "amdgpu_atomfirmware.h"
 #include "smu_v11_0.h"
 #include "smu_v11_0_ppsmc.h"
 #include "smu11_driver_if.h"
@@ -212,6 +213,27 @@ err:
        return ret;
 }
 
+static int smu_v11_0_read_pptable_from_vbios(struct smu_context *smu)
+{
+       int ret, index;
+       uint16_t size;
+       uint8_t frev, crev;
+       struct smu_11_0_powerplay_table *table;
+
+       index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
+                                           powerplayinfo);
+
+       ret = smu_get_atom_data_table(smu, index, &size, &frev, &crev,
+                                     (uint8_t **)&table);
+       if (ret)
+               return ret;
+
+       smu->smu_table.power_play_table = table;
+       smu->smu_table.power_play_table_size = size;
+
+       return 0;
+}
+
 static const struct smu_funcs smu_v11_0_funcs = {
        .init_microcode = smu_v11_0_init_microcode,
        .load_microcode = smu_v11_0_load_microcode,
@@ -219,6 +241,7 @@ static const struct smu_funcs smu_v11_0_funcs = {
        .check_fw_version = smu_v11_0_check_fw_version,
        .send_smc_msg = smu_v11_0_send_msg,
        .send_smc_msg_with_param = smu_v11_0_send_msg_with_param,
+       .read_pptable_from_vbios = smu_v11_0_read_pptable_from_vbios,
 };
 
 void smu_v11_0_set_smu_funcs(struct smu_context *smu)