[PATCH 087/138] drm/amd/powerplay: implement sensor of get feature mask

[Huang Rui]

From: Kevin Wang <Kevin1.Wang at amd.com>

add sensor interface of feature mask for debugfs.
this interface is not ip related function, so need move high level
file to implement (amdgpu_smu)

Signed-off-by: Kevin Wang <Kevin1.Wang at amd.com>
Reviewed-by: Huang Rui <ray.huang at amd.com>
Reviewed-by: Evan Quan <evan.quan at amd.com>
---
 drivers/gpu/drm/amd/powerplay/amdgpu_smu.c     | 21 +++++++++++++++++++++
 drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h |  2 ++
 drivers/gpu/drm/amd/powerplay/smu_v11_0.c      |  2 +-
 3 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
index 52babf5..9ad6e67 100644
--- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
+++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
@@ -29,6 +29,27 @@
 #include "smu_v11_0.h"
 #include "atom.h"
 
+int smu_common_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor,
+			   void *data, uint32_t *size)
+{
+	int ret = 0;
+
+	switch (sensor) {
+	case AMDGPU_PP_SENSOR_ENABLED_SMC_FEATURES_MASK:
+		ret = smu_feature_get_enabled_mask(smu, (uint32_t *)data, 2);
+		*size = 8;
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	if (ret)
+		*size = 0;
+
+	return ret;
+}
+
 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;
diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
index 5bbf6a2..c2d28b1 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
@@ -376,6 +376,8 @@ extern int smu_feature_set_supported(struct smu_context *smu, int feature_id, bo
 int smu_update_table(struct smu_context *smu, uint32_t table_id, void *table_data, bool drv2smu);
 bool is_support_sw_smu(struct amdgpu_device *adev);
 int smu_reset(struct smu_context *smu);
+int smu_common_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor,
+			   void *data, uint32_t *size);
 int smu_sys_get_pp_table(struct smu_context *smu, void **table);
 int smu_sys_set_pp_table(struct smu_context *smu,  void *buf, size_t size);
 
diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 63acb2a..610bf0e 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -1107,7 +1107,7 @@ static int smu_v11_0_read_sensor(struct smu_context *smu,
 		*size = 4;
 		break;
 	default:
-		ret = -EINVAL;
+		ret = smu_common_read_sensor(smu, sensor, data, size);
 		break;
 	}
 
-- 
2.7.4