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drm/amd/pm: apply no power source workaround if dc reported by gpio

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If dc reported by gpio is supported, the power source switching will
be performed by pmfw automatically. Thus the power source setting
workaround for Navi1x will be not needed.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2020-09-04 14:55:43 +08:00 committed by Alex Deucher
parent 71f9404f19
commit 236b156f73
1 changed files with 12 additions and 10 deletions
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22
drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
View file

@ -1013,16 +1013,18 @@ static int smu_smc_hw_setup(struct smu_context *smu)
return ret;
}
/*
* For Navi1X, manually switch it to AC mode as PMFW
* may boot it with DC mode.
*/
ret = smu_set_power_source(smu,
adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
SMU_POWER_SOURCE_DC);
if (ret) {
dev_err(adev->dev, "Failed to switch to %s mode!\n", adev->pm.ac_power ? "AC" : "DC");
return ret;
if (!smu->dc_controlled_by_gpio) {
/*
* For Navi1X, manually switch it to AC mode as PMFW
* may boot it with DC mode.
*/
ret = smu_set_power_source(smu,
adev->pm.ac_power ? SMU_POWER_SOURCE_AC :
SMU_POWER_SOURCE_DC);
if (ret) {
dev_err(adev->dev, "Failed to switch to %s mode!\n", adev->pm.ac_power ? "AC" : "DC");
return ret;
}
}
ret = smu_notify_display_change(smu);