drm/amdgpu/pm: remove EnableGfxOff message for SMU IP v13.0.4

The EnableGfxOff message is dropped from the new PMFW ppsmc interface.
Signed-off-by: Tim Huang <tim.huang@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c

@@ -71,7 +71,6 @@ static struct cmn2asic_msg_mapping smu_v13_0_4_message_map[SMU_MSG_MAX_COUNT] =
 	MSG_MAP(TestMessage,                    PPSMC_MSG_TestMessage,			1),
 	MSG_MAP(GetSmuVersion,                  PPSMC_MSG_GetPmfwVersion,		1),
 	MSG_MAP(GetDriverIfVersion,             PPSMC_MSG_GetDriverIfVersion,		1),
-	MSG_MAP(EnableGfxOff,                   PPSMC_MSG_EnableGfxOff,			1),
 	MSG_MAP(AllowGfxOff,                    PPSMC_MSG_AllowGfxOff,			1),
 	MSG_MAP(DisallowGfxOff,                 PPSMC_MSG_DisallowGfxOff,		1),
 	MSG_MAP(PowerDownVcn,                   PPSMC_MSG_PowerDownVcn,			1),
@@ -226,18 +225,6 @@ static int smu_v13_0_4_system_features_control(struct smu_context *smu, bool en)
 	return ret;
 }
 
-static int smu_v13_0_4_post_smu_init(struct smu_context *smu)
-{
-	struct amdgpu_device *adev = smu->adev;
-	int ret = 0;
-
-	/* allow message will be sent after enable message */
-	ret = smu_cmn_send_smc_msg(smu, SMU_MSG_EnableGfxOff, NULL);
-	if (ret)
-		dev_err(adev->dev, "Failed to Enable GfxOff!\n");
-	return ret;
-}
-
 static ssize_t smu_v13_0_4_get_gpu_metrics(struct smu_context *smu,
 					   void **table)
 {
@@ -1026,7 +1013,6 @@ static const struct pptable_funcs smu_v13_0_4_ppt_funcs = {
 	.get_pp_feature_mask = smu_cmn_get_pp_feature_mask,
 	.set_driver_table_location = smu_v13_0_set_driver_table_location,
 	.gfx_off_control = smu_v13_0_gfx_off_control,
-	.post_init = smu_v13_0_4_post_smu_init,
 	.mode2_reset = smu_v13_0_4_mode2_reset,
 	.get_dpm_ultimate_freq = smu_v13_0_4_get_dpm_ultimate_freq,
 	.od_edit_dpm_table = smu_v13_0_od_edit_dpm_table,