Received: by 2002:a05:7412:b795:b0:e2:908c:2ebd with SMTP id iv21csp180857rdb; Wed, 1 Nov 2023 23:32:42 -0700 (PDT) X-Google-Smtp-Source: AGHT+IH0q2C0I4inY3TTV/3YpyodSWWgFf2E6xs3dYtkgWZ0LgIDJz5Hck8tUnu7BhkrniKItuPq X-Received: by 2002:a05:6358:6f9a:b0:168:e621:e3b6 with SMTP id s26-20020a0563586f9a00b00168e621e3b6mr17961170rwn.28.1698906762173; Wed, 01 Nov 2023 23:32:42 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1698906762; cv=none; d=google.com; s=arc-20160816; b=cAFK+FnauxPDQnxy5+ei+ndVC5tk86ovJestufsnW21lOAc++cGvUyrqQLGCyQGXdE vflxX4ygwwY7T7OxwxmY85iKDmUaYD62y2qH/YB/WyPmqO0E8dtElq6FmqBPC6lNLwk4 dk8g7bS0Gcv5VRbGGOpr9lqDFCqp39K0eZ17m4ZNoofoOhTzMZ0iN/TG6jjEsFrszOA6 ks1JUeL/gpKHED4GcEYxOl/8O+PZIRfM4mtABo0GxsIi9njhpMe/idhCZE4rghhR1kP4 XkXA+Z+S8UcDVnX/ehXvdD8rqEPZnFsS+VB3ZrMlqBsYsXP+tviDmLwPZljmJnqpqOjn JqCg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version:dkim-signature; bh=StUp8Et2C40MeeNi4V7XV6N5+td2AtmdwFbNutMfZZM=; fh=Q3LDYctwRsW0uzxH0Sz9u60c63QZ7Sjr7LEoiXYWz18=; b=WLVygedTjgZuL+YEvpr/p6xxZPiNeiWvU98QMxjOw3cMqIIvbka7j0oP8T35qmPdg8 jWvLdU9Fz7HL3fTQETbstvefm2QCTmd4Owwx4LMx9YrjGts2Oml7J8tT6jyWgJNGOjsL lkexZ8unp9r7N85vGCduNceQ0A1qh4mfInGBOk76VvouJu3MFAgLSP2EOeah1rHF5kMl OWcJXwYB9a3Gn/0Zm6EzOJNPsxG4dZfEPGJXNmSRK706j2WaxvOm/MfSEdBJOBoF9mwY j+R/ut0NrnuZlQ9Odu98xCmvkXIw+e0l3nZVXs40mU93xGZZVixHzq09NZDFohelhCg7 XU5w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=IbmrE8BT; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lipwig.vger.email (lipwig.vger.email. [23.128.96.33]) by mx.google.com with ESMTPS id d17-20020a656b91000000b00578c8ce14edsi1500823pgw.252.2023.11.01.23.32.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Nov 2023 23:32:42 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) client-ip=23.128.96.33; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=IbmrE8BT; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by lipwig.vger.email (Postfix) with ESMTP id 9AE04801B8B9; Wed, 1 Nov 2023 23:32:35 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at lipwig.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232894AbjKBGcD (ORCPT + 99 others); Thu, 2 Nov 2023 02:32:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37618 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229445AbjKBGcC (ORCPT ); Thu, 2 Nov 2023 02:32:02 -0400 Received: from mail-yb1-xb29.google.com (mail-yb1-xb29.google.com [IPv6:2607:f8b0:4864:20::b29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 647E2111 for ; Wed, 1 Nov 2023 23:31:57 -0700 (PDT) Received: by mail-yb1-xb29.google.com with SMTP id 3f1490d57ef6-d9ad90e1038so568635276.3 for ; Wed, 01 Nov 2023 23:31:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1698906716; x=1699511516; darn=vger.kernel.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=StUp8Et2C40MeeNi4V7XV6N5+td2AtmdwFbNutMfZZM=; b=IbmrE8BTlD5QSLb43KMksTYB4Gj3/nBdPlGRIOE89v5o/Qj8JQpGYGn5EywjKbwI23 gKV2fO4cMOWLGzzV7B6WKWuFzxseKDgfDkxmz1f7r1gXnaLt048c9GFIm9JQnYYOU9DZ 2jPFC1BglKD2hrWL4pMBNxqWyR+pSoe17TDywGmhrqgbi2Uty8Q9+xkra7mdmiJsH3Pf LFTdqGRK4ApxalQL+wY93vk520Yww0+dtWjlWBMVE+zeKjRqjKvZm3Yb7So3j1zX/6fd C3q5I7G5QiUYtAbPGiqaM+onhY8dn6BDJDqBQS1qWJTZP0y/+XdemWnKsMBS2HlQJye1 /nbA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698906716; x=1699511516; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=StUp8Et2C40MeeNi4V7XV6N5+td2AtmdwFbNutMfZZM=; b=VH6gH8QAxSSYbleF9RMLWAfCsPVzYKutFc5Kl20Q6C8iLpF2FlH4DVGMrjAgGqaS0N +myDT17ORbcDKhSMCwIWCXB0p9UZk2D0q2/0//xe8hlCpTrsibGSor5/Asl7Eo3mbg/b YQWimpgAUuyetDmaXJrPz0DelvAJeNxaGlj2Ewxa7CkUXu7YKosTW8jsSxNn3VfYqf8l ozsn2i213q+2d3ya9PRCc7EltToPq6AFjhJAtKIXgev+/LF1r7ZTQm60Hk9X3eUNsZYj 6FEp3w29DFTmGasuOfr7KVtiGZgKovwRyzVPHkZLscnwT8JupeaZhNkq+/Lmt5bQo5fS 8F8w== X-Gm-Message-State: AOJu0Yx8+MaB4rq2pvxNd7eiiOpO6Elr7X+iKwQ25auQUFMfszI2tg5Q HxZKWQ0+he3y1/37cD3Ukl11gOHiF8XrCORdM1Z3l755HVYwfLdy X-Received: by 2002:a25:50d0:0:b0:d9a:4839:68fe with SMTP id e199-20020a2550d0000000b00d9a483968femr16145403ybb.43.1698906716622; Wed, 01 Nov 2023 23:31:56 -0700 (PDT) MIME-Version: 1.0 References: <20231101212604.1636517-1-hsinyi@chromium.org> <20231101212604.1636517-4-hsinyi@chromium.org> In-Reply-To: <20231101212604.1636517-4-hsinyi@chromium.org> From: Dmitry Baryshkov Date: Thu, 2 Nov 2023 08:31:45 +0200 Message-ID: Subject: Re: [PATCH 3/3] drm/panel-edp: Choose correct preferred mode To: Hsin-Yi Wang Cc: Douglas Anderson , Neil Armstrong , linux-kernel@vger.kernel.org, Maxime Ripard , dri-devel@lists.freedesktop.org, Thomas Zimmermann , Jessica Zhang , Sam Ravnborg Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,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 lipwig.vger.email 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 (lipwig.vger.email [0.0.0.0]); Wed, 01 Nov 2023 23:32:35 -0700 (PDT) On Wed, 1 Nov 2023 at 23:26, Hsin-Yi Wang wrote: > > If a non generic edp-panel is under aux-bus, the mode read from edid would > still be selected as preferred and results in multiple preferred modes, > which is ambiguous. > > If a hard-coded mode is present, unset the preferred bit of the modes read > from edid. Can we skip the EDID completely if the hardcoded override is present? > > Signed-off-by: Hsin-Yi Wang > --- > drivers/gpu/drm/drm_modes.c | 16 ++++++++++++++++ > drivers/gpu/drm/panel/panel-edp.c | 7 +++++-- > include/drm/drm_modes.h | 1 + > 3 files changed, 22 insertions(+), 2 deletions(-) Anyway, this should be split into two patches. One for drm_modes.c, another one for the panel driver. -- With best wishes Dmitry