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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>
This commit is contained in:
Alex Deucher 2020-03-20 13:42:26 -04:00
parent 2c02b38a10
commit f8c83215bf
2 changed files with 18 additions and 0 deletions
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3
drivers/gpu/drm/amd/powerplay/inc/smu_v11_0.h
View File

@ -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

15
drivers/gpu/drm/amd/powerplay/smu_v11_0.c
View File

@ -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);
}