From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 86C7E28382; Thu, 13 Feb 2025 14:56:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739458592; cv=none; b=iPor7RpUUBkwWDYKfeIQG2nLHQB0ny27vsmJOaS+6iQ/pSpX/v41pzdOMzc/hhyQMaKxQlp5fGDFjm8FMgzcn9u8WnEqXNBF5PRso+I0V56TlK5gtnwk6XvdufKrIYP8WClb30zZcFkXarqsROMmQsTzbXg5i9KHHxLsLqwctE0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739458592; c=relaxed/simple; bh=64PAeAe5Td5at3R6lEsy/jQrZw06Q86GT1rcOPfliVk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=t0qlERmPvm/7xXxwEQfHz6hB7L1aOU6uhYqQR04AeInNFzJA4EG/eMMzXazGN9DNjEn2RNw/aXcS1qjuVU85oSU0QC/wXPtQ8GYlbiXN24sdeLSO718dk3+N8aejr3Zk81xRgoR/kWHi9KlyiXpYnD/Fv129c/hJ2lSZAThznoM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=jhBMR7OW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="jhBMR7OW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8E060C4CED1; Thu, 13 Feb 2025 14:56:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1739458592; bh=64PAeAe5Td5at3R6lEsy/jQrZw06Q86GT1rcOPfliVk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jhBMR7OWFcrn9PF5O9axihLKDd5jyPCaMS4LaYZQdic2DfL9KMWr4XzkZM9TUckQI auDIsz65HcIHJKYCueRzyD3qtGgciuIDVeRKX3lcXO8mx+5bxIjOvQKzFJ1fGwqKad 7eUbeYfW+9NLgz5mZSqgeGMGvtA+d56JxbhSW+qw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= , "Dustin L. Howett" , Mario Limonciello , Harry Wentland , Sasha Levin Subject: [PATCH 6.13 022/443] drm: panel-backlight-quirks: Add Framework 13 matte panel Date: Thu, 13 Feb 2025 15:23:07 +0100 Message-ID: <20250213142441.477089522@linuxfoundation.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250213142440.609878115@linuxfoundation.org> References: <20250213142440.609878115@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 6.13-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thomas Weißschuh [ Upstream commit 916ecc0db336768d80e14ef28a8c64a775274f95 ] The value of "min_input_signal" returned from ATIF on a Framework AMD 13 is "12". This leads to a fairly bright minimum display backlight. Add a quirk to override that the minimum backlight PWM to "0" which leads to a much lower minimum brightness, which is still visible. Tested on a Framework AMD 13 BIOS 3.05 with the matte panel. Link: https://community.frame.work/t/25711/9 Link: https://community.frame.work/t/47036 Signed-off-by: Thomas Weißschuh Tested-by: Dustin L. Howett Reviewed-by: Mario Limonciello Reviewed-by: Harry Wentland Signed-off-by: Mario Limonciello Link: https://patchwork.freedesktop.org/patch/msgid/20241111-amdgpu-min-backlight-quirk-v7-3-f662851fda69@weissschuh.net Signed-off-by: Sasha Levin --- drivers/gpu/drm/drm_panel_backlight_quirks.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/drm_panel_backlight_quirks.c b/drivers/gpu/drm/drm_panel_backlight_quirks.c index 6b8bbed77c7f1..f2aefff618ddb 100644 --- a/drivers/gpu/drm/drm_panel_backlight_quirks.c +++ b/drivers/gpu/drm/drm_panel_backlight_quirks.c @@ -17,6 +17,14 @@ struct drm_panel_min_backlight_quirk { }; static const struct drm_panel_min_backlight_quirk drm_panel_min_backlight_quirks[] = { + /* 13 inch matte panel */ + { + .dmi_match.field = DMI_BOARD_VENDOR, + .dmi_match.value = "Framework", + .ident.panel_id = drm_edid_encode_panel_id('B', 'O', 'E', 0x0bca), + .ident.name = "NE135FBM-N41", + .min_brightness = 0, + }, }; static bool drm_panel_min_backlight_quirk_matches(const struct drm_panel_min_backlight_quirk *quirk, -- 2.39.5