UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/amdgpu/swSMU: set AC/DC mode based on the current system state (v2) 

Check of the pointer exists and we are actually on AC power.

v2: fix error message to reflect AC/DC mode.

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 12:45:09 -04:00
parent 66c2f5db1f
commit 75610fdd38
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View File

@ -1155,17 +1155,17 @@ static int smu_smc_table_hw_init(struct smu_context *smu,
}
}
if (adev->asic_type >= CHIP_NAVI10 &&
adev->asic_type <= CHIP_NAVI12) {
if (smu->ppt_funcs->set_power_source) {
/*
* For Navi1X, manually switch it to AC mode as PMFW
* may boot it with DC mode.
* TODO: should check whether we are indeed under AC
* mode before doing this.
*/
ret = smu_set_power_source(smu, SMU_POWER_SOURCE_AC);
if (adev->pm.ac_power)
ret = smu_set_power_source(smu, SMU_POWER_SOURCE_AC);
else
ret = smu_set_power_source(smu, SMU_POWER_SOURCE_DC);
if (ret) {
pr_err("Failed to switch to AC mode!\n");
pr_err("Failed to switch to %s mode!\n", adev->pm.ac_power ? "AC" : "DC");
return ret;
}
}