On Fri, Apr 3, 2020 at 11:18 AM Aaron Ma wrote:
>
> On ARCTURUS and RENOIR, powerplay is not supported yet.
> When plug in or unplug power jack, ACPI event will issue.
> Then kernel NULL pointer BUG will be triggered.
> Check for NULL pointers before calling.
>
> Signed-off-by: Aaron Ma
Applied. Thanks!
Alex
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> index f197f1be0969..611de69f9d48 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> @@ -89,7 +89,8 @@ void amdgpu_pm_acpi_event_handler(struct amdgpu_device
> *adev)
> adev->pm.ac_power = true;
> else
> adev->pm.ac_power = false;
> - if (adev->powerplay.pp_funcs->enable_bapm)
> + if (adev->powerplay.pp_funcs &&
> + adev->powerplay.pp_funcs->enable_bapm)
> amdgpu_dpm_enable_bapm(adev, adev->pm.ac_power);
> mutex_unlock(>pm.mutex);
>
> --
> 2.17.1
>
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