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[209.132.180.67]) by mx.google.com with ESMTP id v41si67846820pgn.481.2019.08.14.03.46.33; Wed, 14 Aug 2019 03:46:48 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=SO9w2qWf; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727780AbfHNKpc (ORCPT + 99 others); Wed, 14 Aug 2019 06:45:32 -0400 Received: from mail-qk1-f201.google.com ([209.85.222.201]:33578 "EHLO mail-qk1-f201.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726383AbfHNKpb (ORCPT ); Wed, 14 Aug 2019 06:45:31 -0400 Received: by mail-qk1-f201.google.com with SMTP id f22so18003495qkg.0 for ; Wed, 14 Aug 2019 03:45:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:message-id:mime-version:subject:from:to:cc; bh=GWyXBGwmHFcGXlg8sYWmi9ISwiX/TjDTxXNJrsxIlo0=; b=SO9w2qWfA9s7es8tmXD3wqbpTBgbgE1DHH1ERM7v7ptLx8iAJ95y8N4Tw+xRfTgVDo 13xnwEMU6xzG5TpnrwEkbvb8IB4VVAMk6MolT2ZOkf2TYbkpgela2WK1udMqSYuSSak5 Q8LdwxwSdNmbsCfPqW/1A50L/ApA7o7dCxHQL6Y2ilUQe/pD/9Nn91c3LpVJIKbuVG3f htMPgcJTD+HpBw3QVSvs7B1iIa/DvtlWekME6zM0+MAhwABxQrewkKFJVJq3adx9qDVe C1f+Ddir0Bz1vfsh4GwublcxERGy6vsW5i3k2OyP6w/YcY/Yuy9icYHfcvFqq2wGVRrR +BXg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=GWyXBGwmHFcGXlg8sYWmi9ISwiX/TjDTxXNJrsxIlo0=; b=Tq6JcbvfrHi/JVfsVSwgIiDLnVczXw8ED1WXhOVjamDuLCOaxmNlBpNEonFXX37vfE OrqTcQ79x4NZyZjyOkR5Cmb3mnduoUtSNI3SdmB8X1xs7NCMnmFjEzVeM4dyngcvm1vI iQYP1V3rkNZn4vWJsdVyvTuDXhRKssioxrCUYx/OpEUexSbz3zRA+ATBcqM7XWSCnsHZ ph+Wfwog+aVfKTzqmv0U7LXVq99PI4P3ZjGK4ugcTltz7DV+bO35bvIoRX14r9J/sBIm /u8BOAU6Up+xo+Xhm5KRa+sd1w+gIw7Dy8Ma3Z0h4E7qMFuCGeO1n8dlMlUJqP9gV+e/ yoJA== X-Gm-Message-State: APjAAAWbarXW2DlroKgtclJ4bC2uUu8wS04P02npzXkW3PyLj9WaF+Ao G5b3Pfe/pqsnikG1mvGY533PuASme3E= X-Received: by 2002:ac8:748a:: with SMTP id v10mr16346695qtq.386.1565779530315; Wed, 14 Aug 2019 03:45:30 -0700 (PDT) Date: Wed, 14 Aug 2019 12:44:58 +0200 Message-Id: <20190814104520.6001-1-darekm@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.23.0.rc1.153.gdeed80330f-goog Subject: [PATCH v7 0/9] drm: cec: convert DRM drivers to the new notifier API From: Dariusz Marcinkiewicz To: dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, hverkuil-cisco@xs4all.nl Cc: Dariusz Marcinkiewicz , Alex Deucher , Allison Randal , amd-gfx@lists.freedesktop.org, Andrzej Hajda , Chris Wilson , Colin Ian King , Daniel Vetter , David Francis , Dhinakaran Pandiyan , Douglas Anderson , Enrico Weigelt , Greg Kroah-Hartman , Hans Verkuil , Harry Wentland , Imre Deak , intel-gfx@lists.freedesktop.org, Jani Nikula , Jernej Skrabec , "Jerry (Fangzhi) Zuo" , Jonas Karlman , Kate Stewart , Laurent Pinchart , Leo Li , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-tegra@vger.kernel.org, Lyude Paul , Maarten Lankhorst , Manasi Navare , Neil Armstrong , nouveau@lists.freedesktop.org, Ramalingam C , Rodrigo Vivi , Russell King , Sam Ravnborg , Sean Paul , Shashank Sharma , Thomas Gleixner , Thomas Lim , "=?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?=" Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series updates DRM drivers to use new CEC notifier API. Changes since v6: Made CEC notifiers' registration and de-registration symmetric in tda998x and dw-hdmi drivers. Also, accidentally dropped one patch in v6 (change to drm_dp_cec), brought it back now. Changes since v5: Fixed a warning about a missing comment for a new member of drm_dp_aux_cec struct. Sending to a wider audience, including maintainers of respective drivers. Changes since v4: Addressing review comments. Changes since v3: Updated adapter flags in dw-hdmi-cec. Changes since v2: Include all DRM patches from "cec: improve notifier support, add connector info connector info" series. Changes since v1: Those patches delay creation of notifiers until respective connectors are constructed. It seems that those patches, for a couple of drivers, by adding the delay, introduce a race between notifiers' creation and the IRQs handling threads - at least I don't see anything obvious in there that would explicitly forbid such races to occur. v2 adds a write barrier to make sure IRQ threads see the notifier once it is created (replacing the WRITE_ONCE I put in v1). The best thing to do here, I believe, would be not to have any synchronization and make sure that an IRQ only gets enabled after the notifier is created. Dariusz Marcinkiewicz (9): drm_dp_cec: add connector info support. drm/i915/intel_hdmi: use cec_notifier_conn_(un)register dw-hdmi-cec: use cec_notifier_cec_adap_(un)register tda9950: use cec_notifier_cec_adap_(un)register drm: tda998x: use cec_notifier_conn_(un)register drm: sti: use cec_notifier_conn_(un)register drm: tegra: use cec_notifier_conn_(un)register drm: dw-hdmi: use cec_notifier_conn_(un)register drm: exynos: exynos_hdmi: use cec_notifier_conn_(un)register .../display/amdgpu_dm/amdgpu_dm_mst_types.c | 2 +- drivers/gpu/drm/bridge/synopsys/dw-hdmi-cec.c | 13 +++--- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 46 +++++++++++++------ drivers/gpu/drm/drm_dp_cec.c | 25 ++++++---- drivers/gpu/drm/exynos/exynos_hdmi.c | 31 +++++++------ drivers/gpu/drm/i2c/tda9950.c | 12 ++--- drivers/gpu/drm/i2c/tda998x_drv.c | 36 ++++++++++----- drivers/gpu/drm/i915/display/intel_dp.c | 4 +- drivers/gpu/drm/i915/display/intel_hdmi.c | 13 ++++-- drivers/gpu/drm/nouveau/nouveau_connector.c | 3 +- drivers/gpu/drm/sti/sti_hdmi.c | 19 +++++--- drivers/gpu/drm/tegra/output.c | 28 ++++++++--- include/drm/drm_dp_helper.h | 17 ++++--- 13 files changed, 155 insertions(+), 94 deletions(-) -- 2.23.0.rc1.153.gdeed80330f-goog