From patchwork Fri Feb 28 20:55:38 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Mark Dietzer via B4 Relay X-Patchwork-Id: 13997131 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id F316BC282C6 for ; Fri, 28 Feb 2025 20:55:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7381E10E06F; Fri, 28 Feb 2025 20:55:51 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="dnaXFuUN"; dkim-atps=neutral Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8A7A910E06F for ; Fri, 28 Feb 2025 20:55:50 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id DFBA95C0466; Fri, 28 Feb 2025 20:53:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 60A10C4CED6; Fri, 28 Feb 2025 20:55:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740776148; bh=DVOXdCV9GkKYKxJB6M6Kf40iX3b9h5JojSMUwEOoEC0=; h=From:Date:Subject:To:Cc:Reply-To:From; b=dnaXFuUNQqz0wHQwxbaushLVMexq5C5PgypAKDW428FXp/185OwGsEhnCMNeUqRS2 ASM+MbzhVAvQK1kQ4mw1rTct9OPfb8buRc8pFeYejFUiGLJydIkdVWirdQFxLq5quD 3k5AoNhk6W5JlN8drQuRKIB3WzOMPw+fK74nDFN/lhLX8uIlQlly4mqVxJPRJfabNv q1QvALJtPP9t6WEluTRaQjkcoAXEQnIBdh/gwn9taPucd5YoeZRZc4v/U/OdbdahlJ 0Op49tNlCuVMX9t0W2xJMvsSzey85+pyhGMqUjWd6FEeGLR1Vsof0kUhehWKz1x369 sjeEY/rd52lYA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49037C282C5; Fri, 28 Feb 2025 20:55:48 +0000 (UTC) From: Mark Dietzer via B4 Relay Date: Fri, 28 Feb 2025 12:55:38 -0800 Subject: [PATCH v2] drm: panel-backlight-quirks: Add Framework 16 panel MIME-Version: 1.0 Message-Id: <20250228-framework16-drm-quirks-v2-1-c7faf86f5e9d@doridian.net> X-B4-Tracking: v=1; b=H4sIAMkiwmcC/x3MSw6DIBSF4a0Yxr0GqCJ01H00HaBcKrGIvdhHY tx7iZOTfIPzbywjBczsUm2M8BNySHOBPFVsGO38QAiumEkuWy6lBk824jfRJBQ4ivB6B5oydE3 fasd5d9aKlfNC6MPvCN/uxZ5ShHUktEdODEZpIRAa1zbQaG6hH7gp46QxBjUqdbXLUnub12jDs x5SZPv+B37kwIywAAAA X-Change-ID: 20250228-framework16-drm-quirks-74b58d007386 To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Mark Dietzer , =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1740776148; l=1790; i=git@doridian.net; s=20250228; h=from:subject:message-id; bh=VIZraXEVgTCwedadhMfL61upUk+4zJ3L3psT7F1eUjI=; b=o/XjDTdr9X8LVhvkYI397hOp1cceapWrnvZWHE/45brOGko4VU0lqtnkEU26kUdr2mikXI7Xk RgqPAOhD16NBWb3cl1lzUpg/Yr0y89XlI2h9MqEMBovyEUZGxzn8DHr X-Developer-Key: i=git@doridian.net; a=ed25519; pk=XY9bZ7EBhoLNoRt6zd2/vutpAXC3tsX6OytpZHjbUsQ= X-Endpoint-Received: by B4 Relay for git@doridian.net/20250228 with auth_id=353 X-Original-From: Mark Dietzer X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: git@doridian.net Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Mark Dietzer Similarly for the Framework 13 panels already handled in those quirks, the 16 can be helped by the same kind of patch. I have run this on my own 16 for multiple months (hard coding the value to 0 before the quirks made it upstream) and it has resulted in a darker minimum brightness (as expected) and no issues. The Framework community threads between the 13 and 16 for this improvement are the same one, so user reports in the link below will be mixed and likely more focused on the 13. Link: https://community.frame.work/t/solved-even-lower-screen-brightness/25711/60 Signed-off-by: Mark Dietzer Reviewed-by: Thomas Weißschuh --- drivers/gpu/drm/drm_panel_backlight_quirks.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- base-commit: 76544811c850a1f4c055aa182b513b7a843868ea change-id: 20250228-framework16-drm-quirks-74b58d007386 Best regards, diff --git a/drivers/gpu/drm/drm_panel_backlight_quirks.c b/drivers/gpu/drm/drm_panel_backlight_quirks.c index c477d98ade2b41314d4218281ced7d3c4d087769..52aa2a7fa63e5b0fefc1d94bf1f9ace8e2af8962 100644 --- a/drivers/gpu/drm/drm_panel_backlight_quirks.c +++ b/drivers/gpu/drm/drm_panel_backlight_quirks.c @@ -41,6 +41,14 @@ static const struct drm_panel_min_backlight_quirk drm_panel_min_backlight_quirks .ident.name = "NE135A1M-NY1", .min_brightness = 0, }, + /* 16 inch panel */ + { + .dmi_match.field = DMI_BOARD_VENDOR, + .dmi_match.value = "Framework", + .ident.panel_id = drm_edid_encode_panel_id('B', 'O', 'E', 0x0cb4), + .ident.name = "NE160QDM-NZ6", + .min_brightness = 0, + }, }; static bool drm_panel_min_backlight_quirk_matches(const struct drm_panel_min_backlight_quirk *quirk,