From patchwork Thu Nov 26 19:26:56 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Deepak M X-Patchwork-Id: 7707241 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id D7950BF90C for ; Thu, 26 Nov 2015 13:53:06 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 086D82045E for ; Thu, 26 Nov 2015 13:53:05 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id C793D205BA for ; Thu, 26 Nov 2015 13:53:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 41CBD6E788; Thu, 26 Nov 2015 05:53:03 -0800 (PST) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id E241A6E788 for ; Thu, 26 Nov 2015 05:53:01 -0800 (PST) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga101.fm.intel.com with ESMTP; 26 Nov 2015 05:53:01 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,347,1444719600"; d="scan'208";a="829547588" Received: from mdeepakubuntudesk01-desktop.iind.intel.com ([10.223.26.119]) by orsmga001.jf.intel.com with ESMTP; 26 Nov 2015 05:53:00 -0800 From: Deepak M To: intel-gfx@lists.freedesktop.org Date: Fri, 27 Nov 2015 00:56:56 +0530 Message-Id: <1448566017-979-1-git-send-email-m.deepak@intel.com> X-Mailer: git-send-email 1.9.1 Cc: Deepak M , Jani Nikula , Yetunde Adebisi , Daniel Vetter Subject: [Intel-gfx] [PATCH 1/2] drm/i915: Parsing the PWM cntrl and CABC ON/OFF fileds in VBT X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-2.2 required=5.0 tests=BAYES_00, DATE_IN_FUTURE_03_06, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP For dual link panel scenarios there are new fileds added in the VBT which indicate on which port the PWM cntrl and CABC ON/OFF commands needs to be sent. v2: Moving the comment to intel_dsi.h(Jani) Cc: Jani Nikula Cc: Daniel Vetter Cc: Yetunde Adebisi Signed-off-by: Deepak M --- drivers/gpu/drm/i915/intel_bios.c | 10 ++++++++++ drivers/gpu/drm/i915/intel_bios.h | 5 ++++- drivers/gpu/drm/i915/intel_dsi.h | 9 +++++++++ 3 files changed, 23 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index ce82f9c..2d4d7a0 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -793,6 +793,16 @@ parse_mipi(struct drm_i915_private *dev_priv, const struct bdb_header *bdb) return; } + /* + * These fileds are introduced from the VBT version 197 onwards, + * so making sure that these bits are set zero in the pervious + * versions. + */ + if (dev_priv->vbt.dsi.config->dual_link && bdb->version < 197) { + dev_priv->vbt.dsi.config->dl_cabc_port = 0; + dev_priv->vbt.dsi.config->pwm_bkl_ctrl = 0; + } + /* We have mandatory mipi config blocks. Initialize as generic panel */ dev_priv->vbt.dsi.panel_id = MIPI_DSI_GENERIC_PANEL_ID; diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h index 7ec8c9a..9283969 100644 --- a/drivers/gpu/drm/i915/intel_bios.h +++ b/drivers/gpu/drm/i915/intel_bios.h @@ -832,7 +832,10 @@ struct mipi_config { u16 dual_link:2; u16 lane_cnt:2; u16 pixel_overlap:3; - u16 rsvd3:9; + u16 rgb_flip:1; + u16 dl_cabc_port:2; + u16 pwm_bkl_ctrl:2; + u16 rsvd3:4; u16 rsvd4; diff --git a/drivers/gpu/drm/i915/intel_dsi.h b/drivers/gpu/drm/i915/intel_dsi.h index e6cb252..40fd75a 100644 --- a/drivers/gpu/drm/i915/intel_dsi.h +++ b/drivers/gpu/drm/i915/intel_dsi.h @@ -74,6 +74,15 @@ struct intel_dsi { u8 escape_clk_div; u8 dual_link; + + /* + * Below field will inform us on which port the panel blk_cntrl + * and CABC ON/OFF commands needs to be sent in case of dual link + * panels + */ + u8 bkl_dcs_ports; + u8 pwm_blk_ctrl; + u8 pixel_overlap; u32 port_bits; u32 bw_timer;