From patchwork Tue Mar 19 08:30:18 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Shankar, Uma" X-Patchwork-Id: 10858981 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 124626C2 for ; Tue, 19 Mar 2019 08:05:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C390729050 for ; Tue, 19 Mar 2019 08:05:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B7AC82933D; Tue, 19 Mar 2019 08:05:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3F98E29349 for ; Tue, 19 Mar 2019 08:05:32 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9419F899E9; Tue, 19 Mar 2019 08:05:31 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5DBD5899E8 for ; Tue, 19 Mar 2019 08:05:27 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Mar 2019 01:05:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,497,1544515200"; d="scan'208";a="329900507" Received: from linuxpresi1-desktop.iind.intel.com ([10.223.74.134]) by fmsmga005.fm.intel.com with ESMTP; 19 Mar 2019 01:05:25 -0700 From: Uma Shankar To: intel-gfx@lists.freedesktop.org Date: Tue, 19 Mar 2019 14:00:18 +0530 Message-Id: <1552984218-3357-8-git-send-email-uma.shankar@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1552984218-3357-1-git-send-email-uma.shankar@intel.com> References: <1552984218-3357-1-git-send-email-uma.shankar@intel.com> Subject: [Intel-gfx] [RFC v1 7/7] drm/i915: Add multi segment gamma for icl X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ville.syrjala@intel.com, maarten.lankhorst@intel.com MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP Added support for ICL platform multi segment gamma capabilties and attached the property, exposing the same to userspace. Signed-off-by: Uma Shankar --- drivers/gpu/drm/i915/intel_color.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_color.c b/drivers/gpu/drm/i915/intel_color.c index 7733c256..1e9f784 100644 --- a/drivers/gpu/drm/i915/intel_color.c +++ b/drivers/gpu/drm/i915/intel_color.c @@ -1011,6 +1011,8 @@ int intel_color_check(struct intel_crtc_state *crtc_state) void intel_color_init(struct intel_crtc *crtc) { struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct multi_segment_gamma_lut multi_segment_lut; + drm_mode_crtc_set_gamma_size(&crtc->base, 256); @@ -1049,6 +1051,24 @@ void intel_color_init(struct intel_crtc *crtc) intel_attach_gamma_mode_property(crtc); - if (INTEL_GEN(dev_priv) >= 11) + if (IS_ICELAKE(dev_priv)) { + multi_segment_lut.segment_cnt = 3; + multi_segment_lut.precision_bits = 16; + multi_segment_lut.segment_lut_cnt_ptr = kzalloc(3 * sizeof(int), + GFP_KERNEL); + if (!multi_segment_lut.segment_lut_cnt_ptr) + return; + multi_segment_lut.segment_lut_cnt_ptr[0] = 9; + multi_segment_lut.segment_lut_cnt_ptr[1] = 256; + multi_segment_lut.segment_lut_cnt_ptr[2] = 256; + intel_attach_multi_segment_gamma_mode_property(crtc); + + drm_property_replace_global_blob(crtc->base.dev, + &crtc->config->multi_segment_gamma_lut, + sizeof(struct multi_segment_gamma_lut), + &multi_segment_lut, + &crtc->base.base, + dev_priv->multi_segment_gamma_mode_property); + } }