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[2620:137:e000::1:18]) by mx.google.com with ESMTPS id q9-20020a170902f78900b001500b6d64d2si3617619pln.72.2022.03.16.21.33.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Mar 2022 21:33:18 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=bl6xXHfU; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 7716510857B; Wed, 16 Mar 2022 21:01:26 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244317AbiCPNg2 (ORCPT + 99 others); Wed, 16 Mar 2022 09:36:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41084 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243280AbiCPNg1 (ORCPT ); Wed, 16 Mar 2022 09:36:27 -0400 Received: from mail-yb1-xb2a.google.com (mail-yb1-xb2a.google.com [IPv6:2607:f8b0:4864:20::b2a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 204044705C for ; Wed, 16 Mar 2022 06:35:13 -0700 (PDT) Received: by mail-yb1-xb2a.google.com with SMTP id h126so4487413ybc.1 for ; Wed, 16 Mar 2022 06:35:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=WNRIm2snhOLrjHDrRT45Al18e6yX+6IjtBw2hvIFtuc=; b=bl6xXHfUk0jza37f3JJNngv7+hb+rNkTVteG8qFGpuWSZHFNpW4/ck2144lMbppgke VedQEh+UgY27QEqhYUahKxZl39G0PAUbDtvPwRPCvG2MDO02K9a0KFdCt+8/lRSGUOHd lzT7xMJd3npkRtbQq5icH4pCvllCLjPtlpTzw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=WNRIm2snhOLrjHDrRT45Al18e6yX+6IjtBw2hvIFtuc=; b=KhnIFl/BaO74HxDo7r1uJGfT3KngxUZlVqpQ5v0Q59cS3h5GLlaDiK9QgpSTgL2o/P GxkkQfnnQ4DYWs9PlxT5y5cMFFhP5JoJUBUaBmRnFRcC1Yd3P1w6I8J8V+sMOQC4rtwu LEJ8k3pxdaJkXYFtU6IlX1i6L6cje6uYJ7uuv4Y/G/ECf6+DSAlMHEvMtcD2ro+jU4Bv OXgfTVsXe5LQj3EnsEk/CBtZm7SQCSLcYk6TefpA25JbIjIV0SYMJOo/B3VuXF1ccjkO LIhgmRM4+OJvatxver6dDICrilHm/PZS+B4+HLulJwQmK5ByAxDWLLWsuOJ/fQoAHl+u qtdw== X-Gm-Message-State: AOAM530eHr5nJ3OSaqpe6uSfuDu+YQ1jm3cm6VGH7DHocZom1eEPx6UQ FARS0D3nm/jCpmQlhqTJ+i1PNpvmgm87S63S60H8lA== X-Received: by 2002:a25:3403:0:b0:628:a2e4:ae8a with SMTP id b3-20020a253403000000b00628a2e4ae8amr27494313yba.219.1647437712360; Wed, 16 Mar 2022 06:35:12 -0700 (PDT) MIME-Version: 1.0 References: <20220218145437.18563-1-granquet@baylibre.com> <20220218145437.18563-19-granquet@baylibre.com> In-Reply-To: <20220218145437.18563-19-granquet@baylibre.com> From: Chen-Yu Tsai Date: Wed, 16 Mar 2022 21:35:01 +0800 Message-ID: Subject: Re: [PATCH v8 18/19] drm/mediatek: change the aux retries times when receiving AUX_DEFER To: Guillaume Ranquet Cc: chunkuang.hu@kernel.org, p.zabel@pengutronix.de, airlied@linux.ie, daniel@ffwll.ch, robh+dt@kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, matthias.bgg@gmail.com, chunfeng.yun@mediatek.com, kishon@ti.com, vkoul@kernel.org, deller@gmx.de, ck.hu@mediatek.com, jitao.shi@mediatek.com, angelogioacchino.delregno@collabora.com, dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-phy@lists.infradead.org, linux-fbdev@vger.kernel.org Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-3.5 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 18, 2022 at 11:15 PM Guillaume Ranquet wrote: > > From: Jitao Shi > > DP 1.4a Section 2.8.7.1.5.6.1: > A DP Source device shall retry at least seven times upon receiving > AUX_DEFER before giving up the AUX transaction. > > Aux should retry to send msg whether how many bytes. > > Signed-off-by: Jitao Shi > Signed-off-by: Guillaume Ranquet Reviewed-by: Chen-Yu Tsai