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[23.128.96.34]) by mx.google.com with ESMTPS id a2-20020a056a000c8200b0064f78c32b89si10471912pfv.95.2023.09.25.04.55.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Sep 2023 04:55:23 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.34 as permitted sender) client-ip=23.128.96.34; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=W37ZhtBy; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.34 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by howler.vger.email (Postfix) with ESMTP id 3DE7E802EADD; Mon, 25 Sep 2023 03:48:48 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at howler.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229790AbjIYKss (ORCPT + 99 others); Mon, 25 Sep 2023 06:48:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35606 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229787AbjIYKsn (ORCPT ); Mon, 25 Sep 2023 06:48:43 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 92966C6 for ; Mon, 25 Sep 2023 03:48:36 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5213FC433C9; Mon, 25 Sep 2023 10:48:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695638915; bh=/LefVaK2r6dhjQD0FjoLJlEhyV3w7+sO/UDevvSJ9KA=; h=From:To:Cc:In-Reply-To:References:Subject:Date:From; b=W37ZhtByQB0sL6ztZ7emAQjxn1oWW/Y46gP91TnoZEQ4UGkZnmMBg1HRmFArrJaQT a1y9JCbItkVfSjvWLzjBYWaU9vw5z+TgOjyj+AlFFFylz/+Ifs6gpdJ1Vai2+N0TTV 8ZfCfxCRi9VIVuBZ3CSGKnbwujqc1mkpzGJ54g3sZ9qHEzvDKaSEb3J/z6+GHaaHjS 7KcMdd6cycyY9fkrHlRWUzLlIlLMPhUqvvxmU1nIX/HIH82JvJPZRzeeujhRdxcvTe QV809Ca5xMW+rG0OsWxtO+mynLG88dyuIy4JXSCZUa0Q4fzIfuLMX1tq3UTNRDEyI5 cB9bprRO16g6Q== From: Robert Foss To: David Airlie , Xin Ji , Jernej Skrabec , Neil Armstrong , Laurent Pinchart , Andrzej Hajda , Daniel Vetter , Jonas Karlman Cc: hsinyi@chromium.org, bliang@analogixsemi.com, qwen@analogixsemi.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org In-Reply-To: <20230922093450.3574349-1-xji@analogixsemi.com> References: <20230922093450.3574349-1-xji@analogixsemi.com> Subject: Re: [PATCH v2] drm/bridge: Add 200ms delay to wait FW HPD status stable Message-Id: <169563891302.3680913.670156571122914627.b4-ty@kernel.org> Date: Mon, 25 Sep 2023 12:48:33 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Mailer: b4 0.10.1 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Mon, 25 Sep 2023 03:48:48 -0700 (PDT) On Fri, 22 Sep 2023 17:34:49 +0800, Xin Ji wrote: > For the no-interrupt design (sink device is panel, polling HPD > status when chip power on), anx7625 FW has more than 200ms HPD > de-bounce time in FW, for the safety to get HPD status, driver > better to wait 200ms before HPD detection after OS resume back. > > Applied, thanks! [1/1] drm/bridge: Add 200ms delay to wait FW HPD status stable https://cgit.freedesktop.org/drm/drm-misc/commit/?id=330140d7319f Rob