From: Alex Deucher Date: Fri, 20 Mar 2020 17:42:26 +0000 (-0400) Subject: drm/amdgpu/smu11: add a helper to set the power source X-Git-Tag: v5.10.7~2823^2~12^2~7 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f8c83215bfda10f50027dd799d694ca377db0995;p=platform%2Fkernel%2Flinux-rpi.git 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 Signed-off-by: Alex Deucher --- 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 --- 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 --- 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); +} +