<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - NULL pointer at pcie_capability_read_dword with Radeon SI vfio passthrough" href="https://bugs.freedesktop.org/show_bug.cgi?id=109366#c2">Comment # 2</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - NULL pointer at pcie_capability_read_dword with Radeon SI vfio passthrough" href="https://bugs.freedesktop.org/show_bug.cgi?id=109366">bug 109366</a> from <a class="email" href="mailto:alexdeucher@gmail.com" title="Alex Deucher <alexdeucher@gmail.com>"> Alex Deucher</a> <pre>Created <a href="attachment.cgi?id=143133" name="attach_143133" title="possible fix">attachment 143133</a> <a href="attachment.cgi?id=143133&action=edit" title="possible fix">[details]</a> <a href='page.cgi?id=splinter.html&bug=109366&attachment=143133'>[review]</a> possible fix Does this patch fix it? dGPUs are always add in cards, so they always plug into an upstream port on bare metal. The driver needs to query the upstream port to determine what pcie gen speeds and lanes are available on the platform so that the driver can properly adjust them at runtime to save power.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>