Sure they can, those files are accessible to everyone.
The massive advantage is that this is standard for all PCIe devices, so
it should work vendor independent.
Christian.
Am 02.01.23 um 18:55 schrieb Marek Olšák:
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
