It looks like MOCS on CHV might only support UC-or-WB, rather than PTE-or-WB. We may need to set MOCS to UC or WB for renderbuffers based on whether they're window system buffers, or even the front buffer.
-- GitLab Migration Automatic Message -- This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity. You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/1456.
Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.