Userspace drivers can't access sysfs. Marek
On Mon, Jan 2, 2023, 10:54 Christian König <ckoenig.leichtzumer...@gmail.com> wrote: > That stuff is already available as current_link_speed and > current_link_width in sysfs. > > I'm a bit reluctant duplicating this information in the IOCTL interface. > > Christian. > > Am 30.12.22 um 23:07 schrieb Marek Olšák: > > For computing PCIe bandwidth in userspace and troubleshooting PCIe > bandwidth issues. > > For example, my Navi21 has been limited to PCIe gen 1 and this is > the first time I noticed it after 2 years. > > Note that this intentionally fills a hole and padding > in drm_amdgpu_info_device. > > Signed-off-by: Marek Olšák <marek.ol...@amd.com> > > The patch is attached. > > Marek > > >
