From patchwork Wed Apr 22 07:04:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: You-Sheng Yang X-Patchwork-Id: 1274770 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=canonical.com Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 496WdX1rY3z9sSJ; Wed, 22 Apr 2020 17:04:32 +1000 (AEST) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from ) id 1jR9Qp-0008Ly-MI; Wed, 22 Apr 2020 07:04:27 +0000 Received: from mail-pg1-f196.google.com ([209.85.215.196]) by huckleberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1jR9Qn-0008Lr-7I for kernel-team@lists.ubuntu.com; Wed, 22 Apr 2020 07:04:25 +0000 Received: by mail-pg1-f196.google.com with SMTP id o185so641748pgo.3 for ; Wed, 22 Apr 2020 00:04:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=fgdg33P/cgqpb45qO9vMaV7LQh//3wfvu039vjDyKZk=; b=nQgVYHkKN2YhS/kbiB6F9OOajHlp7OSfCPDI1pV9FTdV2rdzcgYp6yN2PVRNDOlX2c ALzjat2Tu1304OjHjhLf35oVU7EPFZrP+oNulR3b1jyF8AI3ua8/HHWL57KQ5rgc8JGT bMCdHXVVe1jtLudEOdgtA3MAjhK6XtwcBcio+c9zAjxH9Vg0omseVpL9mQ5te65JC/L9 F5iB9erVpyCgXWOayp5G4ivaYHH41VlL7ygPwWg5SvmaxXVltu0ihHzU5HDhohqdC6l1 G2/qCiRxiv+CEWcvn8bI7A2DGD2kESCJzrHwKk1Ity6XytIhT9urxw/5P18H5Nfo3iFo XWqw== X-Gm-Message-State: AGi0PuZpfKSPRZXYUN1xdTJfytqVB8bWZXdOSOYa9jcmxsQN2HVGmMTG e1OhP6X9I26Q9BVkR41fxCBQzgWG+yg= X-Google-Smtp-Source: APiQypLJb4V5lvpAk/am8OJLga06QRL5l1/kNLTeVw+oiEdcwfgTyByw1wlvMrHsoaVBX8E2r8/g2A== X-Received: by 2002:a63:fd15:: with SMTP id d21mr13177182pgh.31.1587539063122; Wed, 22 Apr 2020 00:04:23 -0700 (PDT) Received: from localhost (61-220-137-37.HINET-IP.hinet.net. [61.220.137.37]) by smtp.gmail.com with ESMTPSA id i190sm4382998pfe.114.2020.04.22.00.04.21 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Apr 2020 00:04:22 -0700 (PDT) From: You-Sheng Yang To: kernel-team@lists.ubuntu.com Subject: [SRU][U][PATCH 0/8] Fix TC port in legacy/static mode can't be detected due TCCOLD Date: Wed, 22 Apr 2020 15:04:12 +0800 Message-Id: <20200422070420.816972-1-vicamo.yang@canonical.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" BugLink: https://bugs.launchpad.net/bugs/1868936 [Impact] External monitor connected via a Type-C dongle when device is in PC10 may not be light up. [Fix] Patches series https://patchwork.freedesktop.org/series/75941/ from intel-gfx mailing list, which has been merged in drm-tip tree with tip commit 0f8925090ac7. [Test Case] 1. Ensure device may enter PC10. $ sudo powertop --auto-tune $ sudo watch cat /sys/kernel/debug/pmc_core/package_cstate_show Press Meta+L to lock screen for a while and unlock again, "Package C10" field should have non-zero counts. 2. Press Meta+L to lock screen again. 3. After screen turns black and wait a few more seconds, connect external monitor to a type C port via a type C dongle and wake the device. 4. Check if external monitor is also light up as an extended/mirrored screen. [Regression Potential] Medium. José Roberto de Souza (8): drm/i915/display: Move out code to return the digital_port of the aux ch drm/i915/display: Add intel_legacy_aux_to_power_domain() drm/i915/display: Split hsw_power_well_enable() into two drm/i915/tc/icl: Implement TC cold sequences drm/i915/tc: Skip ref held check for TC legacy aux power wells drm/i915/tc/tgl: Implement TC cold sequences drm/i915/tc: Catch TC users accessing FIA registers without enable aux drm/i915/tc: Do not warn when aux power well of static TC ports timeout drivers/gpu/drm/i915/display/intel_display.c | 14 +- drivers/gpu/drm/i915/display/intel_display.h | 2 + .../drm/i915/display/intel_display_power.c | 297 ++++++++++++++---- .../drm/i915/display/intel_display_power.h | 1 + drivers/gpu/drm/i915/display/intel_tc.c | 94 +++++- drivers/gpu/drm/i915/i915_reg.h | 5 + 6 files changed, 350 insertions(+), 63 deletions(-)