From nobody Wed Dec 31 14:30:02 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 03F53C4167B for ; Thu, 2 Nov 2023 22:13:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377472AbjKBWN3 (ORCPT ); Thu, 2 Nov 2023 18:13:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230187AbjKBWNY (ORCPT ); Thu, 2 Nov 2023 18:13:24 -0400 Received: from mail-pl1-x635.google.com (mail-pl1-x635.google.com [IPv6:2607:f8b0:4864:20::635]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D91A9138 for ; Thu, 2 Nov 2023 15:13:18 -0700 (PDT) Received: by mail-pl1-x635.google.com with SMTP id d9443c01a7336-1cc53d0030fso12058365ad.0 for ; Thu, 02 Nov 2023 15:13:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1698963198; x=1699567998; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=y06i8Y7ERebYf/tho68vkzbllD+e/f8ccnIKfy6txBE=; b=Kk/E6RU9Ao0Fd5cORJG34sAFudLpkSB5HJKfNVioSDwluCr4Al57WsBQPX+iI8+AUl CSToW8Fs+mkke6j9aTpTc4u/hYu597q6EMHK7hnHBYA776DfsANFZID1Y/iCfiMmRi6G ewlft7Smn8jojhDIUkKn58OBlaUSv6vodklQw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698963198; x=1699567998; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=y06i8Y7ERebYf/tho68vkzbllD+e/f8ccnIKfy6txBE=; b=cgkcgyvrRuB6KKvbiaw5uPADqYTJbNZxUMa2wJW0T/L1CC00ax8S2UbukOiBNdBC6e XRq04AuWx012Hv7BsrLhVQ85AsBy2Jjfqs7869mz2OI7iVF9KEQcEGPxN1sVsYZ9cBt9 6aSmqBXSYFl3AvOdoeqUvXZfXUsYmpeiqOXgjH+fr5efDDNpoa3MlM7eqD8PP2cZ4oht VBoHhw+EJTM6DDgx/Nohoeco0pW31vkKqjfjNa+hOxrSgCMhuMPOPo+jyPF0UoHlojSO dZTXUCVfwD7GhIZTd3fF5U8HfvTG3mLi/gc/NqOsMt4DwXkDMDKkipSVGkQ86SNZL2M3 b82g== X-Gm-Message-State: AOJu0YzG4ClVtscTAMVPVNWfhgQoLedSRCMXZxfNdmw7jsYe95RUMjif Z0ira/9cpqm4AC94J3kQf8YyzNU3fxRE2QK5pVE= X-Google-Smtp-Source: AGHT+IFxvrBbUynqP3nk/8eCo9vOCnXrQ0FZ34Q8GJks0qr2eE5qFYbGFGkhUvCT6UKcaouy+LkaTA== X-Received: by 2002:a17:903:41c6:b0:1cc:55d4:a715 with SMTP id u6-20020a17090341c600b001cc55d4a715mr1007326ple.3.1698963198271; Thu, 02 Nov 2023 15:13:18 -0700 (PDT) Received: from hsinyi.sjc.corp.google.com ([2620:15c:9d:2:6ec1:79de:6e50:d6fa]) by smtp.gmail.com with ESMTPSA id y6-20020a63ce06000000b00565e96d9874sm196057pgf.89.2023.11.02.15.13.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Nov 2023 15:13:17 -0700 (PDT) From: Hsin-Yi Wang To: Douglas Anderson Cc: Neil Armstrong , Jessica Zhang , Sam Ravnborg , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 3/4] drm/modes: Add a function to clear preferred modes Date: Thu, 2 Nov 2023 14:47:49 -0700 Message-ID: <20231102221309.1971910-4-hsinyi@chromium.org> X-Mailer: git-send-email 2.42.0.869.gea05f2083d-goog In-Reply-To: <20231102221309.1971910-1-hsinyi@chromium.org> References: <20231102221309.1971910-1-hsinyi@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add a function to clear the preferred bit of a connector's existing modes. This is useful for edp panel to unset the preferred modes read from edid if the panel has hard-coded modes. Signed-off-by: Hsin-Yi Wang Reviewed-by: Douglas Anderson --- v1->v2: - fix doc string (reported by kernel test robot). - split mode and panel patches. --- drivers/gpu/drm/drm_modes.c | 16 ++++++++++++++++ include/drm/drm_modes.h | 1 + 2 files changed, 17 insertions(+) diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index ac9a406250c5..be3e9e931219 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -1933,6 +1933,22 @@ void drm_connector_list_update(struct drm_connector = *connector) } EXPORT_SYMBOL(drm_connector_list_update); =20 +/** + * drm_mode_unset_preferred_modes - clear the preferred bit on existing mo= des. + * @connector: the connector to update + * + * Walk the mode list for connector, clearing the preferred status on exis= ting + * modes. + */ +void drm_mode_unset_preferred_modes(struct drm_connector *connector) +{ + struct drm_display_mode *cur_mode; + + list_for_each_entry(cur_mode, &connector->probed_modes, head) + cur_mode->type &=3D ~DRM_MODE_TYPE_PREFERRED; +} +EXPORT_SYMBOL_GPL(drm_mode_unset_preferred_modes); + static int drm_mode_parse_cmdline_bpp(const char *str, char **end_ptr, struct drm_cmdline_mode *mode) { diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h index c613f0abe9dc..301817e00a15 100644 --- a/include/drm/drm_modes.h +++ b/include/drm/drm_modes.h @@ -560,6 +560,7 @@ void drm_mode_prune_invalid(struct drm_device *dev, struct list_head *mode_list, bool verbose); void drm_mode_sort(struct list_head *mode_list); void drm_connector_list_update(struct drm_connector *connector); +void drm_mode_unset_preferred_modes(struct drm_connector *connector); =20 /* parsing cmdline modes */ bool --=20 2.42.0.869.gea05f2083d-goog