On Fri, Apr 3, 2020 at 11:18 AM Aaron Ma aaron.ma@canonical.com 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 aaron.ma@canonical.com

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(&adev->pm.mutex);
  
  

-- 2.17.1

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