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[90.63.244.31]) by smtp.gmail.com with ESMTPSA id 91sm46319107wrp.3.2019.08.19.07.48.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 19 Aug 2019 07:48:52 -0700 (PDT) Subject: Re: [PATCH v7 0/9] drm: cec: convert DRM drivers to the new notifier API To: Hans Verkuil , Dariusz Marcinkiewicz , dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org References: <20190814104520.6001-1-darekm@google.com> <42c7ef3c-b7e5-8c63-c7c2-bfc6c56100c6@xs4all.nl> From: Neil Armstrong Openpgp: preference=signencrypt Autocrypt: addr=narmstrong@baylibre.com; prefer-encrypt=mutual; keydata= mQENBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAG0KE5laWwgQXJtc3Ryb25nIDxuYXJtc3Ryb25nQGJheWxpYnJlLmNvbT6JATsEEwEKACUC GyMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheABQJXDO2CAhkBAAoJEBaat7Gkz/iubGIH/iyk RqvgB62oKOFlgOTYCMkYpm2aAOZZLf6VKHKc7DoVwuUkjHfIRXdslbrxi4pk5VKU6ZP9AKsN NtMZntB8WrBTtkAZfZbTF7850uwd3eU5cN/7N1Q6g0JQihE7w4GlIkEpQ8vwSg5W7hkx3yQ6 2YzrUZh/b7QThXbNZ7xOeSEms014QXazx8+txR7jrGF3dYxBsCkotO/8DNtZ1R+aUvRfpKg5 ZgABTC0LmAQnuUUf2PHcKFAHZo5KrdO+tyfL+LgTUXIXkK+tenkLsAJ0cagz1EZ5gntuheLD YJuzS4zN+1Asmb9kVKxhjSQOcIh6g2tw7vaYJgL/OzJtZi6JlIW5AQ0ETVkGzwEIALyKDN/O GURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYpQTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXM coJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hi SvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY4yG6xI99NIPEVE9lNBXBKIlewIyVlkOa YvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoMMtsyw18YoX9BqMFInxqYQQ3j/HpVgTSv mo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUXoUk33HEAEQEAAYkBHwQYAQIACQUCTVkG zwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfnM7IbRuiSZS1unlySUVYu3SD6YBYnNi3G 5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa33eDIHu/zr1HMKErm+2SD6PO9umRef8V8 2o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCSKmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+ RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJ C3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTTQbM0WUIBIcGmq38+OgUsMYu4NzLu7uZF Acmp6h8guQINBFYnf6QBEADQ+wBYa+X2n/xIQz/RUoGHf84Jm+yTqRT43t7sO48/cBW9vAn9 GNwnJ3HRJWKATW0ZXrCr40ES/JqM1fUTfiFDB3VMdWpEfwOAT1zXS+0rX8yljgsWR1UvqyEP 3xN0M/40Zk+rdmZKaZS8VQaXbveaiWMEmY7sBV3QvgOzB7UF2It1HwoCon5Y+PvyE3CguhBd 9iq5iEampkMIkbA3FFCpQFI5Ai3BywkLzbA3ZtnMXR8Qt9gFZtyXvFQrB+/6hDzEPnBGZOOx zkd/iIX59SxBuS38LMlhPPycbFNmtauOC0DNpXCv9ACgC9tFw3exER/xQgSpDVc4vrL2Cacr wmQp1k9E0W+9pk/l8S1jcHx03hgCxPtQLOIyEu9iIJb27TjcXNjiInd7Uea195NldIrndD+x 58/yU3X70qVY+eWbqzpdlwF1KRm6uV0ZOQhEhbi0FfKKgsYFgBIBchGqSOBsCbL35f9hK/JC 6LnGDtSHeJs+jd9/qJj4WqF3x8i0sncQ/gszSajdhnWrxraG3b7/9ldMLpKo/OoihfLaCxtv xYmtw8TGhlMaiOxjDrohmY1z7f3rf6njskoIXUO0nabun1nPAiV1dpjleg60s3OmVQeEpr3a K7gR1ljkemJzM9NUoRROPaT7nMlNYQL+IwuthJd6XQqwzp1jRTGG26J97wARAQABiQM+BBgB AgAJBQJWJ3+kAhsCAikJEBaat7Gkz/iuwV0gBBkBAgAGBQJWJ3+kAAoJEHfc29rIyEnRk6MQ AJDo0nxsadLpYB26FALZsWlN74rnFXth5dQVQ7SkipmyFWZhFL8fQ9OiIoxWhM6rSg9+C1w+ n45eByMg2b8H3mmQmyWztdI95OxSREKwbaXVapCcZnv52JRjlc3DoiiHqTZML5x1Z7lQ1T3F 8o9sKrbFO1WQw1+Nc91+MU0MGN0jtfZ0Tvn/ouEZrSXCE4K3oDGtj3AdC764yZVq6CPigCgs 6Ex80k6QlzCdVP3RKsnPO2xQXXPgyJPJlpD8bHHHW7OLfoR9DaBNympfcbQJeekQrTvyoASw EOTPKE6CVWrcQIztUp0WFTdRGgMK0cZB3Xfe6sOp24PQTHAKGtjTHNP/THomkH24Fum9K3iM /4Wh4V2eqGEgpdeSp5K+LdaNyNgaqzMOtt4HYk86LYLSHfFXywdlbGrY9+TqiJ+ZVW4trmui NIJCOku8SYansq34QzYM0x3UFRwff+45zNBEVzctSnremg1mVgrzOfXU8rt+4N1b2MxorPF8 619aCwVP7U16qNSBaqiAJr4e5SNEnoAq18+1Gp8QsFG0ARY8xp+qaKBByWES7lRi3QbqAKZf yOHS6gmYo9gBmuAhc65/VtHMJtxwjpUeN4Bcs9HUpDMDVHdfeRa73wM+wY5potfQ5zkSp0Jp bxnv/cRBH6+c43stTffprd//4Hgz+nJcCgZKtCYIAPkUxABC85ID2CidzbraErVACmRoizhT KR2OiqSLW2x4xdmSiFNcIWkWJB6Qdri0Fzs2dHe8etD1HYaht1ZhZ810s7QOL7JwypO8dscN KTEkyoTGn6cWj0CX+PeP4xp8AR8ot4d0BhtUY34UPzjE1/xyrQFAdnLd0PP4wXxdIUuRs0+n WLY9Aou/vC1LAdlaGsoTVzJ2gX4fkKQIWhX0WVk41BSFeDKQ3RQ2pnuzwedLO94Bf6X0G48O VsbXrP9BZ6snXyHfebPnno/te5XRqZTL9aJOytB/1iUna+1MAwBxGFPvqeEUUyT+gx1l3Acl ZaTUOEkgIor5losDrePdPgE= Organization: Baylibre Message-ID: Date: Mon, 19 Aug 2019 16:48:49 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <42c7ef3c-b7e5-8c63-c7c2-bfc6c56100c6@xs4all.nl> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190819_074854_883395_56CDF62A X-CRM114-Status: GOOD ( 21.42 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kate Stewart , Daniel Vetter , linux-kernel@vger.kernel.org, Hans Verkuil , Dhinakaran Pandiyan , Sam Ravnborg , linux-samsung-soc@vger.kernel.org, David Francis , amd-gfx@lists.freedesktop.org, Jani Nikula , "Jerry \(Fangzhi\) Zuo" , linux-arm-kernel@lists.infradead.org, nouveau@lists.freedesktop.org, Jonas Karlman , Leo Li , intel-gfx@lists.freedesktop.org, Russell King , Sean Paul , Rodrigo Vivi , linux-tegra@vger.kernel.org, Thomas Gleixner , Allison Randal , Thomas Lim , Jernej Skrabec , Greg Kroah-Hartman , Douglas Anderson , Manasi Navare , Alex Deucher , Colin Ian King , Enrico Weigelt , Laurent Pinchart Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Dariusz, Hans, I can apply the dw-hdmi patches if necessary. Neil On 19/08/2019 11:38, Hans Verkuil wrote: > Hi all, > > The patches in this series can be applied independently from each other. > > If you maintain one of these drivers and you want to merge it for v5.4 > yourself, then please do so and let me know. If you prefer I commit it > to drm-misc, then please review and (hopefully) Ack the patch. > > I would really like to get this in for v5.4 so I can get the userspace > bits in for v5.4 as well through the media subsystem. > > Dariusz, can you post a v7.1 for patch 5/9 fixing the typo? > > Thanks! > > Hans > > On 8/14/19 12:44 PM, Dariusz Marcinkiewicz wrote: >> 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(-) >> > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel