[PATCH 059/138] drm/amd/powerplay: expose the function of smu read argument

[Huang Rui]

From: Likun Gao <Likun.Gao at amd.com>

Expose the function of smu_read_smc_arg to get argument value from SMU11.

Signed-off-by: Likun Gao <Likun.Gao at amd.com>
Reviewed-by: Kevin Wang <Kevin1.Wang at amd.com>
---
 drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 3 +++
 drivers/gpu/drm/amd/powerplay/smu_v11_0.c      | 3 ++-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index fb5ca71..8eb2b75 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -221,6 +221,7 @@ struct smu_funcs
 	int (*system_features_control)(struct smu_context *smu, bool en);
 	int (*send_smc_msg)(struct smu_context *smu, uint16_t msg);
 	int (*send_smc_msg_with_param)(struct smu_context *smu, uint16_t msg, uint32_t param);
+	int (*read_smc_arg)(struct smu_context *smu, uint32_t *arg);
 
 };
 
@@ -270,6 +271,8 @@ struct smu_funcs
 	((smu)->funcs->send_smc_msg? (smu)->funcs->send_smc_msg((smu), (msg)) : 0)
 #define smu_send_smc_msg_with_param(smu, msg, param) \
 	((smu)->funcs->send_smc_msg_with_param? (smu)->funcs->send_smc_msg_with_param((smu), (msg), (param)) : 0)
+#define smu_read_smc_arg(smu, arg) \
+	((smu)->funcs->read_smc_arg? (smu)->funcs->read_smc_arg((smu), (arg)) : 0)
 #define smu_store_powerplay_table(smu) \
 	((smu)->ppt_funcs->store_powerplay_table ? (smu)->ppt_funcs->store_powerplay_table((smu)) : 0)
 #define smu_check_powerplay_table(smu) \
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 1b82c25..ff3cfdb 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -213,7 +213,7 @@ static int smu_v11_0_check_fw_version(struct smu_context *smu)
 	if (ret)
 		goto err;
 
-	ret = smu_v11_0_read_arg(smu, &smu_version);
+	ret = smu_read_smc_arg(smu, &smu_version);
 	if (ret)
 		goto err;
 
@@ -670,6 +670,7 @@ 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_smc_arg = smu_v11_0_read_arg,
 	.read_pptable_from_vbios = smu_v11_0_read_pptable_from_vbios,
 	.init_smc_tables = smu_v11_0_init_smc_tables,
 	.fini_smc_tables = smu_v11_0_fini_smc_tables,
-- 
2.7.4