drm/amdgpu/smu11: add a helper to set the power source

Add a common smu11 helper to set the AC/DC power source.

Bug: https://gitlab.freedesktop.org/drm/amd/issues/1043
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h b/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h
index 1c88219..674e426 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h
@@ -267,4 +267,7 @@ uint32_t smu_v11_0_get_max_power_limit(struct smu_context *smu);
 int smu_v11_0_set_performance_level(struct smu_context *smu,
                                    enum amd_dpm_forced_level level);
 
+int smu_v11_0_set_power_source(struct smu_context *smu,
+                              enum smu_power_src_type power_src);
+
 #endif

diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 4fd77c7..20174be 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -1939,3 +1939,18 @@ int smu_v11_0_set_performance_level(struct smu_context *smu,
        return ret;
 }
 
+int smu_v11_0_set_power_source(struct smu_context *smu,
+                              enum smu_power_src_type power_src)
+{
+       int pwr_source;
+
+       pwr_source = smu_power_get_index(smu, (uint32_t)power_src);
+       if (pwr_source < 0)
+               return -EINVAL;
+
+       return smu_send_smc_msg_with_param(smu,
+                                       SMU_MSG_NotifyPowerSource,
+                                       pwr_source,
+                                       NULL);
+}
+