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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 259F9CDB474 for ; Mon, 23 Oct 2023 11:04:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233342AbjJWLEL (ORCPT ); Mon, 23 Oct 2023 07:04:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41702 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233339AbjJWLEA (ORCPT ); Mon, 23 Oct 2023 07:04:00 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9650F10E7 for ; Mon, 23 Oct 2023 04:03:55 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CF7DBC433C8; Mon, 23 Oct 2023 11:03:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1698059035; bh=pAdG5+Gn4vIj5XyQYkxrnWO4cT+XsKsGHEu2iOtHiMo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xfGXBaiR+cfT+GPSowMDz+VNYwPPf/I7MgNzMzG4rwik09uTcUBZkho3+P20uZ+3G JiUtcQre3x6ZQbYWckvWCeqZ5R/Ag5bMIvbDBRkQFqJVxyq2sxjoHMj/lIFHd7oPy+ 6L55+/CH0OTuP5uUjvmdVxZRJart43hJpzBg0BKk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Harry Wentland , Hamza Mahfooz Subject: [PATCH 6.5 042/241] drm/edid: add 8 bpc quirk to the BenQ GW2765 Date: Mon, 23 Oct 2023 12:53:48 +0200 Message-ID: <20231023104834.943643237@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231023104833.832874523@linuxfoundation.org> References: <20231023104833.832874523@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 6.5-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hamza Mahfooz commit 88630e91f12677848c0c4a5790ec0d691f8859fa upstream. The BenQ GW2765 reports that it supports higher (> 8) bpc modes, but when trying to set them we end up with a black screen. So, limit it to 8 bpc modes. Cc: stable@vger.kernel.org # 6.5+ Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2610 Reviewed-by: Harry Wentland Signed-off-by: Hamza Mahfooz Link: https://patchwork.freedesktop.org/patch/msgid/20231012184927.133137-1-hamza.mahfooz@amd.com Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/drm_edid.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 340da8257b51..4b71040ae5be 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -123,6 +123,9 @@ static const struct edid_quirk { /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */ EDID_QUIRK('A', 'E', 'O', 0, EDID_QUIRK_FORCE_6BPC), + /* BenQ GW2765 */ + EDID_QUIRK('B', 'N', 'Q', 0x78d6, EDID_QUIRK_FORCE_8BPC), + /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */ EDID_QUIRK('B', 'O', 'E', 0x78b, EDID_QUIRK_FORCE_6BPC), -- 2.42.0