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 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 4CA65C53209 for ; Fri, 20 Feb 2026 05:02:27 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0AC1B10E780; Fri, 20 Feb 2026 05:02:27 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="XdZTuYQX"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0EAD410E14E; Fri, 20 Feb 2026 05:02:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1771563746; x=1803099746; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=BtEagZKU+QXXci5oy2dHo8Jz9pJZQ74RqwTjnS7RCrk=; b=XdZTuYQXJ0/QVuonODnNTIySr5NenUYhcVkycOJB/F7v6vG65kyBAOmS 1d2rAczn/liuMjiXCLIAuRiihenXDj/eJLhetDyZ0Ie7t4/5xSjBMablo CNhu3b15Y3WQqkLdNQII0GeGJYs3tLV3Xgzhjo5I59E347Sooo0K6dnDC 9fG3Sm6+OsGk1W51vhzCpnfUTxSerJU5LnJPQmlkfIWHuwc9mIOrIrl4F +nOAE3ahSfIeCFKX8f9ZiAbOvsFjTtlBzS8WXJzafpAsENW4jGB1BTyvT Hsa8YbRjOa5/YNmm2LVBraH9Dsi0KINdwmRMBKhsLHv0yuPkKvt4YqnoF g==; X-CSE-ConnectionGUID: KRhIYnyRTni6iNzpj8rflg== X-CSE-MsgGUID: df4joTQpT76qYENgMBUu8w== X-IronPort-AV: E=McAfee;i="6800,10657,11706"; a="72758217" X-IronPort-AV: E=Sophos;i="6.21,301,1763452800"; d="scan'208";a="72758217" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Feb 2026 21:02:26 -0800 X-CSE-ConnectionGUID: MAwfHomFRv+XyZNS0S9EFA== X-CSE-MsgGUID: zLyPBES4R8WyLeF9MfFxxQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,301,1763452800"; d="scan'208";a="218894625" Received: from kandpal-x299-ud4-pro.iind.intel.com ([10.190.239.10]) by orviesa003.jf.intel.com with ESMTP; 19 Feb 2026 21:02:24 -0800 From: Suraj Kandpal To: intel-xe@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Cc: ankit.k.nautiyal@intel.com, arun.r.murthy@intel.com, Suraj Kandpal Subject: [PATCH 0/8] Fixes and updates when using AUX backlight using Luminance Date: Fri, 20 Feb 2026 10:32:09 +0530 Message-Id: <20260220050217.2453681-1-suraj.kandpal@intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" This series aims to fix/update some code with respect to AUX backlight via luminance values for both VESA and INTEL HDR codepaths. The below are the major changes made in this series. - Do not allow 0 brightness by default which makes the screen go blank leaving user with no way to see the screen and increase brightness. - Take into account luminance_set variable when we decide which funcs need to be enabled - Update debug logs to make them more concise and help debug which code path was taken Signed-off-by: Suraj Kandpal Suraj Kandpal (8): drm/i915/backlight: Avoid 0 brightness for VESA AUX backlight by default drm/i915/backlight: Use intel_panel variable instead of intel_connector drm/i915/backlight: Take luminance_set into account for VESA backlight drm/i915/backlight: Check luminance_set when disabling PWM via AUX VESA backlight drm/i915/backlight: Short circuit intel_dp_aux_supports_hdr_backlight drm/i915/backlight: Update debug log during backlight setup drm/i915/backlight: Provide clear description on how backlight level is controlled drm/i915/backlight: Avoid 0 brightness for INTEL AUX HDR backlight by default .../drm/i915/display/intel_dp_aux_backlight.c | 40 ++++++++++++++----- 1 file changed, 29 insertions(+), 11 deletions(-) -- 2.34.1