Hello! This is an experimental automated report about issues detected by Coverity from a scan of next-20191025 as part of the linux-next weekly scan project: https://scan.coverity.com/projects/linux-next-weekly-scan You're getting this email because you were associated with the identified lines of code (noted below) that were touched by recent commits: 08fff7aeddc9 ("drm/i915/tgl: Wa_1607138340") Coverity reported the following: *** CID 1487369: Integer handling issues (NO_EFFECT) /drivers/gpu/drm/i915/gt/intel_lrc.c: 1057 in execlists_update_context() 1051 mb(); 1052 1053 desc = ce->lrc_desc; 1054 ce->lrc_desc &= ~CTX_DESC_FORCE_RESTORE; 1055 1056 /* Wa_1607138340:tgl */ vvv CID 1487369: Integer handling issues (NO_EFFECT) vvv This greater-than-or-equal-to-zero comparison of an unsigned value is always true. "rq->i915->drm.pdev->revision >= 0". 1057 if (IS_TGL_REVID(rq->i915, TGL_REVID_A0, TGL_REVID_A0)) 1058 desc |= CTX_DESC_FORCE_RESTORE; 1059 1060 return desc; 1061 } 1062 If this is a false positive, please let us know so we can mark it as such, or teach the Coverity rules to be smarter. If not, please make sure fixes get into linux-next. :) For patches fixing this, please include: Reported-by: coverity-bot <keescook+coverity-bot@xxxxxxxxxxxx> Addresses-Coverity-ID: 1487369 ("Integer handling issues") Fixes: 08fff7aeddc9 ("drm/i915/tgl: Wa_1607138340") Thanks for your attention! -- Coverity-bot