<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - SSEU status is all 0 on BXT" href="https://bugs.freedesktop.org/show_bug.cgi?id=103484#c22">Comment # 22</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - SSEU status is all 0 on BXT" href="https://bugs.freedesktop.org/show_bug.cgi?id=103484">bug 103484</a> from <a class="email" href="mailto:lionel.g.landwerlin@linux.intel.com" title="Lionel Landwerlin <lionel.g.landwerlin@linux.intel.com>"> Lionel Landwerlin</a> <pre>(In reply to Lionel Landwerlin from <a href="show_bug.cgi?id=103484#c21">comment #21</a>) > Chris suggests we move the igt test as a selftest in i915 for 3 reasons : > > 1. ack registers are priveleged so must be read from kernel > 2. need to read the value from command streamer because we need HW awake + a > context scheduled (ack register values reflect the programmed value in > context image) > 3. there is some ongoing work to change powergating configuration > dynamically and that will likely rely on heuristic in i915, which means > userspace can probably only guess the value in the ack registers I should add that the selftest should only verify the initial value programmed is correct.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>