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Fri, 22 Jan 2021 09:27:52 +0000 (GMT) Subject: Re: [PATCH v4 1/3] drm/bridge/lontium-lt9611uxc: fix waiting for EDID to become available To: Dmitry Baryshkov , dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org Cc: Jernej Skrabec , Jonas Karlman , David Airlie , Neil Armstrong , Bjorn Andersson , Vinod Koul , Laurent Pinchart , Manivannan Sadhasivam , Sam Ravnborg From: Andrzej Hajda Message-ID: <6047e54c-e540-fb27-6b08-de11473d9b8c@samsung.com> Date: Fri, 22 Jan 2021 10:27:52 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:85.0) Gecko/20100101 Thunderbird/85.0 MIME-Version: 1.0 In-Reply-To: <20210121233303.1221784-2-dmitry.baryshkov@linaro.org> Content-Transfer-Encoding: 8bit Content-Language: en-GB X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrAKsWRmVeSWpSXmKPExsWy7djPc7ozZ3ElGCxbrWbRe+4kk8Xp/e9Y LCae/8lmceXrezaLq99fMlucfHOVxaJz4hJ2i4n7z7Jb3G3pZLU41BdtseLnVkaLnXdOMDvw eLy/0cruMbtjJqvHplWdbB4nJlxi8rhzbQ+bx/ZvD1g97ncfZ/JYMu0qm8eB3sksHp83yQVw RXHZpKTmZJalFunbJXBltP1ax1qwkKViz4fVrA2Mx5i7GDk5JARMJH4fOMfUxcjFISSwglFi 2ZXbrBDOF0aJjhvf2CGcz4wSuzsXscK0rNz+H6plOaPEm7swVe8ZJT4tf8sIUiUskCIx9VgD mC0iUCLR97QVbC6zQAOzxJfmpWDb2QQ0Jf5uvskGYvMK2Ek86JsMtoJFQFXiy6mj7CC2qECC xN5351ggagQlTs58AmZzCjhLzHuwDqyeWUBeonnrbGYIW1yi6ctKsGUSAss5Jc6fXcAGcbeL xI3+yVC2sMSr41vYIWwZif875zNB2PUS91e0MEM0dzBKbN2wExpO1hJ3zv0CauYA2qApsX6X PkTYUeLD/08sIGEJAT6JG28FIW7gk5i0bTozRJhXoqNNCKJaUeL+2a1QA8Ulll74yjaBUWkW ks9mIflmFpJvZiHsXcDIsopRPLW0ODc9tdg4L7Vcrzgxt7g0L10vOT93EyMw0Z3+d/zrDsYV rz7qHWJk4mA8xCjBwawkwvvIkiNBiDclsbIqtSg/vqg0J7X4EKM0B4uSOO+urWvihQTSE0tS s1NTC1KLYLJMHJxSDUx11s8OvPymWPI/om1K+HsRj87ZZ9afmDLnn+Atq+uLS1aub07bP+n6 JovE+NU1ezjlI++mruRMXXlzx535z5zF02TvrHuvMK2U0zTCMcvA81exfExp5If8b23pQazG JpVCO/q2qURIuekHa6ewtlmcLzdlPVaQ1LSnV/rij7X3+Cbwnjqplia6Lphp8Vm/M/fcP75S U+Ksi25Si76l2eIgM+n1rPecc6c4Bj+cLWMUvu7Z+oxbN5P3zV/LVqihpTA7Ju9TiPP8K06v toVsTJtyv/xL/L4u5n0WTSsPtXiI9pxXfME6aVrjtsUTTUO7RRf5at112jfLuvPavFo2U/Ou a7WiyuuOHf8gG/xtdaUSS3FGoqEWc1FxIgBNe8yk4wMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrEIsWRmVeSWpSXmKPExsVy+t/xe7ozZ3ElGLzq5bLoPXeSyeL0/ncs FhPP/2SzuPL1PZvF1e8vmS1OvrnKYtE5cQm7xcT9Z9kt7rZ0sloc6ou2WPFzK6PFzjsnmB14 PN7faGX3mN0xk9Vj06pONo8TEy4xedy5tofNY/u3B6we97uPM3ksmXaVzeNA72QWj8+b5AK4 ovRsivJLS1IVMvKLS2yVog0tjPQMLS30jEws9QyNzWOtjEyV9O1sUlJzMstSi/TtEvQy2n6t Yy1YyFKx58Nq1gbGY8xdjJwcEgImEiu3/2cCsYUEljJKzPkYCxEXl9g9/y1UjbDEn2tdbF2M XEA1bxkldi/sZARJCAukSLye/pAVxBYRKJGY9KOVHaSIWaCJWeLD0VtMEB3nGSUaN14Hq2IT 0JT4u/kmG4jNK2An8aBvMlicRUBV4supo+wgtqhAgsT2/SuZIGoEJU7OfMICYnMKOEvMe7AO rJ5ZwEyia2sXI4QtL9G8dTYzhC0u0fRlJesERqFZSNpnIWmZhaRlFpKWBYwsqxhFUkuLc9Nz i430ihNzi0vz0vWS83M3MQIje9uxn1t2MK589VHvECMTB+MhRgkOZiUR3keWHAlCvCmJlVWp RfnxRaU5qcWHGE2B/pnILCWanA9MLXkl8YZmBqaGJmaWBqaWZsZK4rwmR9bECwmkJ5akZqem FqQWwfQxcXBKNTDlzGaqEfeoi2o3zIm+zSX0Xlar2uduNVfGpfnrrTr3Pl/DtuBDwaKgsCkR N5zK62f3G8+/eWfF2j8xsgcs47XFzf6W/v57Xnl2uLGGksr79z+PdzVFBPRFBNXtCv/WLOa8 VffGa7t0A8ez558+Y3A1dIkQ31vuUNy9++INNdkXOR01G6deYw6d8eNPyuy6QvMNJyo17r50 u/266dN9OYHp+T+eBYl4iuzvd1/A2uC2elbyB44Gz/hvCgdvmV/OcttTFRfm07OV+0GlozZj +WTGWaUzbn/hftLpbyr2dPsRzhubJYpLXLqllpgd3tYw+ZJL9AWNB0ZzFv9TEV209+iZsAnf /85Lu1DqdKK/vVyJpTgj0VCLuag4EQCpfJdxdQMAAA== X-CMS-MailID: 20210122092753eucas1p12994362773a6fe1eed315f1180929d0e X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20210122084647eucas1p1054ab2676b281e24e3c8310a7ee0d1bc X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20210122084647eucas1p1054ab2676b281e24e3c8310a7ee0d1bc References: <20210121233303.1221784-1-dmitry.baryshkov@linaro.org> <20210121233303.1221784-2-dmitry.baryshkov@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org W dniu 22.01.2021 o 00:33, Dmitry Baryshkov pisze: > - Call wake_up() when EDID ready event is received to wake > wait_event_interruptible_timeout() > > - Increase waiting timeout, reading EDID can take longer than 100ms, so > let's be on a safe side. > > Signed-off-by: Dmitry Baryshkov > Fixes: 0cbbd5b1a012 ("drm: bridge: add support for lontium LT9611UXC bridge") > Reviewed-by: Bjorn Andersson Reviewed-by: Andrzej Hajda Regards Andrzej