From patchwork Fri Apr 11 04:29:00 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kandpal, Suraj" X-Patchwork-Id: 14047525 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 6EA3DC369A8 for ; Fri, 11 Apr 2025 04:29:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2345510EAC7; Fri, 11 Apr 2025 04:29:15 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="C9z3f1QA"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5D46410EAC8; Fri, 11 Apr 2025 04:29:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1744345754; x=1775881754; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=60JvWY1m2xvrwXP/Zrx3Gq88uih8rmFiEAfVzm8gqjk=; b=C9z3f1QAoF6wYFnUzyRRZClNg4k3JE1MLlYbBHRSaAg705tfvQ71TVcl BmEtkNYGyCXu9SqBDZt4zHmGvKhs+bNsTgO6Ent1BKSpUblbcHjis+nmg o80r8SM1gpevkgUszaF5Hg27CFbENowc+1ZXOiZZentp+GVeZDWbXpSrE Dd3fJxYFgSeHETygLTBL9mb438DC4yeaccq6tEgMj8oZDEKL4POV0yz4W rncsmCYLWx+g4kA+KPOsxv24Dc8VFeOt986ufhSnONWCEIqBzz1gZBwun d12xONWVLkLNw4jpFObg+trb1JevG6PvWCbnO/Kwn6AtANDrTv+1sxro3 A==; X-CSE-ConnectionGUID: Mpc1TDseS0mfvNpv4hs1xA== X-CSE-MsgGUID: /j6VZYBLQ3Gu53gjMD8DYg== X-IronPort-AV: E=McAfee;i="6700,10204,11400"; a="57259927" X-IronPort-AV: E=Sophos;i="6.15,203,1739865600"; d="scan'208";a="57259927" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Apr 2025 21:29:13 -0700 X-CSE-ConnectionGUID: nvDvERCwRSmtWCGEzO+mWg== X-CSE-MsgGUID: gq2okXnTR7SwLVQI8Npf4A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,203,1739865600"; d="scan'208";a="160057026" Received: from kandpal-x299-ud4-pro.iind.intel.com ([10.190.239.10]) by orviesa002.jf.intel.com with ESMTP; 10 Apr 2025 21:29:11 -0700 From: Suraj Kandpal To: nouveau@lists.freedesktop.org, dri-devel@lists.freedesktop.org, 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 04/13] drm/dp: Move from u16 to u32 for max in drm_edp_backlight_info Date: Fri, 11 Apr 2025 09:59:00 +0530 Message-Id: <20250411042909.2626807-5-suraj.kandpal@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250411042909.2626807-1-suraj.kandpal@intel.com> References: <20250411042909.2626807-1-suraj.kandpal@intel.com> MIME-Version: 1.0 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Use u32 instead of u16 for max variable in drm_edp_backlight_info since it can now hold max luminance range value which is u32. We will set this max with max_luminance value when luminance_set is true. Signed-off-by: Suraj Kandpal --- drivers/gpu/drm/display/drm_dp_helper.c | 10 +++++++--- include/drm/display/drm_dp_helper.h | 2 +- 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/display/drm_dp_helper.c b/drivers/gpu/drm/display/drm_dp_helper.c index 3b309ac5190b..1322bdfb6c8b 100644 --- a/drivers/gpu/drm/display/drm_dp_helper.c +++ b/drivers/gpu/drm/display/drm_dp_helper.c @@ -4270,9 +4270,13 @@ drm_edp_backlight_init(struct drm_dp_aux *aux, struct drm_edp_backlight_info *bl return -EINVAL; } - ret = drm_edp_backlight_probe_max(aux, bl, driver_pwm_freq_hz, edp_dpcd); - if (ret < 0) - return ret; + if (bl->luminance_set) { + bl->max = lr->max_luminance; + } else { + ret = drm_edp_backlight_probe_max(aux, bl, driver_pwm_freq_hz, edp_dpcd); + if (ret < 0) + return ret; + } ret = drm_edp_backlight_probe_state(aux, bl, current_mode); if (ret < 0) diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h index 6f53921f5dce..39d644495f3e 100644 --- a/include/drm/display/drm_dp_helper.h +++ b/include/drm/display/drm_dp_helper.h @@ -839,7 +839,7 @@ drm_dp_has_quirk(const struct drm_dp_desc *desc, enum drm_dp_quirk quirk) struct drm_edp_backlight_info { u8 pwmgen_bit_count; u8 pwm_freq_pre_divider; - u16 max; + u32 max; bool lsb_reg_used : 1; bool aux_enable : 1;