On 2/15/2023 11:46 AM, Mika Westerberg wrote: > On Wed, Feb 15, 2023 at 11:29:00AM +0530, Basavaraj Natikar wrote: >> On 2/15/2023 11:19 AM, Mika Westerberg wrote: >>> On Tue, Feb 14, 2023 at 02:01:52PM -0600, Sanjay R Mehta wrote: >>>> void tb_check_quirks(struct tb_switch *sw) >>>> { >>>> + struct tb_switch *root_sw = sw->tb->root_switch; >>>> int i; >>>> >>>> for (i = 0; i < ARRAY_SIZE(tb_quirks); i++) { >>>> const struct tb_quirk *q = &tb_quirks[i]; >>>> >>>> - if (q->hw_vendor_id && q->hw_vendor_id != sw->config.vendor_id) >>>> + if (q->hw_vendor_id && (q->hw_vendor_id != sw->config.vendor_id && >>>> + q->hw_vendor_id != root_sw->config.vendor_id)) >>> Again, why you need to change this? >>> >>> If you have the AMD host router device ID in the list the quirk applies >>> and that makes the driver skip enabling CL states for that link. It >>> should not matter if we enable CL states in the deeper parts of the >>> topology (even if we actually do not at the moment) because that's >>> completely different link, right. >> Thank you Mike for point it out then [PATCH v4] <https://lore.kernel.org/all/1676402030-4653-1-git-send-email-Sanju.Mehta@xxxxxxx/#r> patch changes solves the purpose. >> >> [PATCH v4] thunderbolt: Add quirk to disable CLx <https://lore.kernel.org/all/1676402030-4653-1-git-send-email-Sanju.Mehta@xxxxxxx/#r> >> https://lore.kernel.org/all/1676402030-4653-1-git-send-email-Sanju.Mehta@xxxxxxx/ >> >> Please review the changes > Indeed v4 looks good. I just skipped it because there appeared several > versions of the patch in my inbox overnight so picked the last one for > review ;-) Sorry for the confusion. Please apply [PATCH v4] Thank you Mika for quick and timely review. Thanks, -- Basavaraj