From: Mario Limonciello mario.limonciello@amd.com
commit e55a3aea418269266d84f426b3bd70794d3389c8 upstream.
dGPUs connected to Intel systems configured for suspend to idle will not have the power rails cut at suspend and resetting the GPU may lead to problematic behaviors.
Fixes: e25443d2765f4 ("drm/amdgpu: add a dev_pm_ops prepare callback (v2)") Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1879 Reviewed-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Mario Limonciello mario.limonciello@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -1504,8 +1504,7 @@ static int amdgpu_pmops_prepare(struct d * DPM_FLAG_SMART_SUSPEND works properly */ if (amdgpu_device_supports_boco(drm_dev)) - return pm_runtime_suspended(dev) && - pm_suspend_via_firmware(); + return pm_runtime_suspended(dev);
return 0; }