From patchwork Mon Sep 6 21:38:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Uma Shankar X-Patchwork-Id: 12477393 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 61E28C433EF for ; Mon, 6 Sep 2021 21:01:41 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 3115660041 for ; Mon, 6 Sep 2021 21:01:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 3115660041 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5A68E89CF3; Mon, 6 Sep 2021 21:01:13 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6A9A989CD4; Mon, 6 Sep 2021 21:01:09 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10099"; a="283747406" X-IronPort-AV: E=Sophos;i="5.85,273,1624345200"; d="scan'208";a="283747406" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Sep 2021 14:01:08 -0700 X-IronPort-AV: E=Sophos;i="5.85,273,1624345200"; d="scan'208";a="537362172" Received: from linux-desktop.iind.intel.com ([10.223.34.178]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Sep 2021 14:01:05 -0700 From: Uma Shankar To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: harry.wentland@amd.com, ville.syrjala@linux.intel.com, ppaalanen@gmail.com, brian.starkey@arm.com, sebastian@sebastianwick.net, Shashank.Sharma@amd.com, Uma Shankar Subject: [RFC v2 05/22] drm/i915/xelpd: Define Degamma Lut range struct for HDR planes Date: Tue, 7 Sep 2021 03:08:47 +0530 Message-Id: <20210906213904.27918-6-uma.shankar@intel.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210906213904.27918-1-uma.shankar@intel.com> References: <20210906213904.27918-1-uma.shankar@intel.com> MIME-Version: 1.0 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Define the structure with XE_LPD degamma lut ranges. HDR and SDR planes have different capabilities, implemented respective structure for the HDR planes. Signed-off-by: Uma Shankar --- drivers/gpu/drm/i915/display/intel_color.c | 52 ++++++++++++++++++++++ 1 file changed, 52 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c index afcb4bf3826c..6403bd74324b 100644 --- a/drivers/gpu/drm/i915/display/intel_color.c +++ b/drivers/gpu/drm/i915/display/intel_color.c @@ -2092,6 +2092,58 @@ static void icl_read_luts(struct intel_crtc_state *crtc_state) } } + /* FIXME input bpc? */ +__maybe_unused +static const struct drm_color_lut_range d13_degamma_hdr[] = { + /* segment 1 */ + { + .flags = (DRM_MODE_LUT_GAMMA | + DRM_MODE_LUT_REFLECT_NEGATIVE | + DRM_MODE_LUT_INTERPOLATE | + DRM_MODE_LUT_NON_DECREASING), + .count = 128, + .input_bpc = 24, .output_bpc = 16, + .start = 0, .end = (1 << 24) - 1, + .min = 0, .max = (1 << 24) - 1, + }, + /* segment 2 */ + { + .flags = (DRM_MODE_LUT_GAMMA | + DRM_MODE_LUT_REFLECT_NEGATIVE | + DRM_MODE_LUT_INTERPOLATE | + DRM_MODE_LUT_REUSE_LAST | + DRM_MODE_LUT_NON_DECREASING), + .count = 1, + .input_bpc = 24, .output_bpc = 16, + .start = (1 << 24) - 1, .end = 1 << 24, + .min = 0, .max = (1 << 27) - 1, + }, + /* Segment 3 */ + { + .flags = (DRM_MODE_LUT_GAMMA | + DRM_MODE_LUT_REFLECT_NEGATIVE | + DRM_MODE_LUT_INTERPOLATE | + DRM_MODE_LUT_REUSE_LAST | + DRM_MODE_LUT_NON_DECREASING), + .count = 1, + .input_bpc = 24, .output_bpc = 16, + .start = 1 << 24, .end = 3 << 24, + .min = 0, .max = (1 << 27) - 1, + }, + /* Segment 4 */ + { + .flags = (DRM_MODE_LUT_GAMMA | + DRM_MODE_LUT_REFLECT_NEGATIVE | + DRM_MODE_LUT_INTERPOLATE | + DRM_MODE_LUT_REUSE_LAST | + DRM_MODE_LUT_NON_DECREASING), + .count = 1, + .input_bpc = 24, .output_bpc = 16, + .start = 3 << 24, .end = 7 << 24, + .min = 0, .max = (1 << 27) - 1, + }, +}; + void intel_color_init(struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);