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[71.197.186.152]) by smtp.gmail.com with ESMTPSA id a10sm456847pfc.35.2019.12.09.14.07.51 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 09 Dec 2019 14:07:51 -0800 (PST) From: Kevin Hilman To: Neil Armstrong , dri-devel@lists.freedesktop.org Subject: Re: [PATCH v3 8/9] drm/meson: hold 32 lines after vsync to give time for AFBC start In-Reply-To: <20191021091509.3864-9-narmstrong@baylibre.com> References: <20191021091509.3864-1-narmstrong@baylibre.com> <20191021091509.3864-9-narmstrong@baylibre.com> Date: Mon, 09 Dec 2019 14:07:51 -0800 Message-ID: <7hmuc1rw3s.fsf@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191209_140753_473080_F3D3E17C X-CRM114-Status: UNSURE ( 6.52 ) X-CRM114-Notice: Please train this message. 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: linux-amlogic@lists.infradead.org, ayan.halder@arm.com, linux-arm-kernel@lists.infradead.org, Neil Armstrong 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 Neil Armstrong writes: > When using an AFBC encoded frame, the AFBC Decoder must be resetted, minor grammar nit: s/resetted/reset/ > configured and enabled at each vsync IRQ. > > To leave time for that, use the maximum lines hold time to give time > for AFBC setup and avoid visual glitches. > > Signed-off-by: Neil Armstrong otherwise... Reviewed-by: Kevin Hilman _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4FB5BC43603 for ; Mon, 9 Dec 2019 22:07:55 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 29E05206D5 for ; Mon, 9 Dec 2019 22:07:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 29E05206D5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8B70389F6E; Mon, 9 Dec 2019 22:07:54 +0000 (UTC) Received: from mail-pl1-x644.google.com (mail-pl1-x644.google.com [IPv6:2607:f8b0:4864:20::644]) by gabe.freedesktop.org (Postfix) with ESMTPS id F05C789F6E for ; Mon, 9 Dec 2019 22:07:52 +0000 (UTC) Received: by mail-pl1-x644.google.com with SMTP id bd4so6364407plb.8 for ; Mon, 09 Dec 2019 14:07:52 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:in-reply-to:references:date :message-id:mime-version; bh=XV8tPDcRTX7RtlSDootkVo/0R7BkBqzFzuFusm8kdK8=; b=XZNnDH7Qf7NC8UQw2OGiIDQ8pnVQDO2k52udzw1C/IZCdIe1nHP4ehpRMRz4Ip7a1H BQrcDXwmdyKAFWkrRgOE4tNS6Hpb7it8LWRp7iRcFHedQCiJ42AJsn0JNluIhrskTJkU DCdR2/SpDdE071FVlxokwjceH7njJhGGPPJSTqX9VmS1i4BdmikPyhJF1Wf6KwKJKJAq J4pcvGvQtmMq2KWYfpEcAMHq5YDUxupRWtLLFVpmj/Y61aWetP1jmOIBeYUP1oWCYF9o fogpBCQP1cJ8T6Q8HqLrS+UMo816CSP4Q6KFzdNdLkxBc1mcE5CkAhmUY1pVxo7kyy9V 89IQ== X-Gm-Message-State: APjAAAUp3kGcfReL1mMYLayjNG15JPn2dGT9Su5m45+ZwyqSdZvHmcGm FLMPkXkTuXGO66J6/ycRb7mg6g== X-Google-Smtp-Source: APXvYqzyU6Xr2TUx9phu+0FjC0f8dtT+zfBB23R48rlsA4j6FU2F18WTjQ2d+qhgny05GK+RGN86MQ== X-Received: by 2002:a17:902:bcc8:: with SMTP id o8mr31506662pls.81.1575929272543; Mon, 09 Dec 2019 14:07:52 -0800 (PST) Received: from localhost (c-71-197-186-152.hsd1.wa.comcast.net. [71.197.186.152]) by smtp.gmail.com with ESMTPSA id a10sm456847pfc.35.2019.12.09.14.07.51 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 09 Dec 2019 14:07:51 -0800 (PST) From: Kevin Hilman To: Neil Armstrong , dri-devel@lists.freedesktop.org Subject: Re: [PATCH v3 8/9] drm/meson: hold 32 lines after vsync to give time for AFBC start In-Reply-To: <20191021091509.3864-9-narmstrong@baylibre.com> References: <20191021091509.3864-1-narmstrong@baylibre.com> <20191021091509.3864-9-narmstrong@baylibre.com> Date: Mon, 09 Dec 2019 14:07:51 -0800 Message-ID: <7hmuc1rw3s.fsf@baylibre.com> MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:in-reply-to:references:date:message-id :mime-version; bh=XV8tPDcRTX7RtlSDootkVo/0R7BkBqzFzuFusm8kdK8=; b=mCUG2mkefXUTSWgvB3xbkzIgqLcBXpg6xtwMaVhJcJn3hsuIc/8+Aptv75kjetgmYE sPhCvJmw3tdGhyPHcHphJ7WIGYzMB7HQtXa14FTFA4law3xUy2s6fHqDuQmuTGwAQjd/ kYqm38zCX6wKpg0cAqIfQ1xvtT2jv/81RdI13YWhFixxkX+4WhTKkItSY/POk1qgKoJD YvEaxEMQJjFi0RyiKcGb+g/CUDY5dDAqWOIHMUtZS2uOqtxnKt6XwNlPDgZ6URWC4oWA fl0cuWe+Tk9i7biEczXXxbcRdo3WxA+mYfuxj6CUInFjbgFrHPp44atsS1kh3GEmTK4l x+Cw== X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-amlogic@lists.infradead.org, ayan.halder@arm.com, linux-arm-kernel@lists.infradead.org, Neil Armstrong Content-Type: text/plain; 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[71.197.186.152]) by smtp.gmail.com with ESMTPSA id a10sm456847pfc.35.2019.12.09.14.07.51 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 09 Dec 2019 14:07:51 -0800 (PST) From: Kevin Hilman To: Neil Armstrong , dri-devel@lists.freedesktop.org Subject: Re: [PATCH v3 8/9] drm/meson: hold 32 lines after vsync to give time for AFBC start In-Reply-To: <20191021091509.3864-9-narmstrong@baylibre.com> References: <20191021091509.3864-1-narmstrong@baylibre.com> <20191021091509.3864-9-narmstrong@baylibre.com> Date: Mon, 09 Dec 2019 14:07:51 -0800 Message-ID: <7hmuc1rw3s.fsf@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191209_140753_512941_D7A99C98 X-CRM114-Status: UNSURE ( 4.96 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-amlogic@lists.infradead.org, ayan.halder@arm.com, linux-arm-kernel@lists.infradead.org, Neil Armstrong Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Neil Armstrong writes: > When using an AFBC encoded frame, the AFBC Decoder must be resetted, minor grammar nit: s/resetted/reset/ > configured and enabled at each vsync IRQ. > > To leave time for that, use the maximum lines hold time to give time > for AFBC setup and avoid visual glitches. > > Signed-off-by: Neil Armstrong otherwise... Reviewed-by: Kevin Hilman _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic