From patchwork Thu Oct 7 23:01:14 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jesse Barnes X-Patchwork-Id: 239201 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o97N68lu029270 for ; Thu, 7 Oct 2010 23:06:28 GMT Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4B222A09BA for ; Thu, 7 Oct 2010 16:06:08 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from cpoproxy1-pub.bluehost.com (cpoproxy1-pub.bluehost.com [69.89.21.11]) by gabe.freedesktop.org (Postfix) with SMTP id 0CAFDA09BE for ; Thu, 7 Oct 2010 16:03:24 -0700 (PDT) Received: (qmail 12214 invoked by uid 0); 7 Oct 2010 23:03:23 -0000 Received: from unknown (HELO box514.bluehost.com) (74.220.219.114) by cpoproxy1.bluehost.com with SMTP; 7 Oct 2010 23:03:23 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=virtuousgeek.org; h=Received:From:To:Cc:Subject:Date:Message-Id:X-Mailer:In-Reply-To:References:X-Identified-User; b=jegQZO+dOosBihxnj6eJvOLWvN+qyeGPfcIbXj4d+y2B4+096WfdVom0gVXV4rLlyUYyLyhTsjbOxcvfuOZI4rgl5JhJlbZBLkceoAJBatTCdLtDlBaiFN5JXCLwCPHc; Received: from c-67-174-193-198.hsd1.ca.comcast.net ([67.174.193.198] helo=localhost.localdomain) by box514.bluehost.com with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.69) (envelope-from ) id 1P3zUg-0002wH-RC; Thu, 07 Oct 2010 17:03:22 -0600 From: Jesse Barnes To: intel-gfx@lists.freedesktop.org Date: Thu, 7 Oct 2010 16:01:14 -0700 Message-Id: <1286492485-18145-10-git-send-email-jbarnes@virtuousgeek.org> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1286492485-18145-1-git-send-email-jbarnes@virtuousgeek.org> References: <1286492485-18145-1-git-send-email-jbarnes@virtuousgeek.org> X-Identified-User: {10642:box514.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 67.174.193.198 authed with jbarnes@virtuousgeek.org} Subject: [Intel-gfx] [PATCH 09/20] drm/i915: fetch eDP configuration data from the VBT X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Thu, 07 Oct 2010 23:06:28 +0000 (UTC) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index e4ffcd3..6d49a9f 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -339,16 +339,16 @@ typedef struct drm_i915_private { unsigned int int_crt_support:1; unsigned int lvds_use_ssc:1; int lvds_ssc_freq; - struct { - u8 rate:4; - u8 lanes:4; - u8 preemphasis:4; - u8 vswing:4; - - u8 initialized:1; - u8 support:1; - u8 bpp:6; + int rate; + int lanes; + int preemphasis; + int vswing; + + bool initialized; + bool support; + int bpp; + struct edp_power_seq pps; } edp; struct notifier_block lid_notifier; diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index b1f73ac..cc15447 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -24,6 +24,7 @@ * Eric Anholt * */ +#include #include "drmP.h" #include "drm.h" #include "i915_drm.h" @@ -413,6 +414,8 @@ static void parse_edp(struct drm_i915_private *dev_priv, struct bdb_header *bdb) { struct bdb_edp *edp; + struct edp_power_seq *edp_pps; + struct edp_link_params *edp_link_params; edp = find_section(bdb, BDB_EDP); if (!edp) { @@ -437,19 +440,54 @@ parse_edp(struct drm_i915_private *dev_priv, struct bdb_header *bdb) break; } - dev_priv->edp.rate = edp->link_params[panel_type].rate; - dev_priv->edp.lanes = edp->link_params[panel_type].lanes; - dev_priv->edp.preemphasis = edp->link_params[panel_type].preemphasis; - dev_priv->edp.vswing = edp->link_params[panel_type].vswing; + /* Get the eDP sequencing and link info */ + edp_pps = &edp->power_seqs[panel_type]; + edp_link_params = &edp->link_params[panel_type]; - DRM_DEBUG_KMS("eDP vBIOS settings: bpp=%d, rate=%d, lanes=%d, preemphasis=%d, vswing=%d\n", - dev_priv->edp.bpp, - dev_priv->edp.rate, - dev_priv->edp.lanes, - dev_priv->edp.preemphasis, - dev_priv->edp.vswing); + dev_priv->edp.pps = *edp_pps; - dev_priv->edp.initialized = true; + dev_priv->edp.rate = edp_link_params->rate ? DP_LINK_BW_2_7 : + DP_LINK_BW_1_62; + switch (edp_link_params->lanes) { + case 0: + dev_priv->edp.lanes = 1; + break; + case 1: + dev_priv->edp.lanes = 2; + break; + case 3: + default: + dev_priv->edp.lanes = 4; + break; + } + switch (edp_link_params->preemphasis) { + case 0: + dev_priv->edp.preemphasis = DP_TRAIN_PRE_EMPHASIS_0; + break; + case 1: + dev_priv->edp.preemphasis = DP_TRAIN_PRE_EMPHASIS_3_5; + break; + case 2: + dev_priv->edp.preemphasis = DP_TRAIN_PRE_EMPHASIS_6; + break; + case 3: + dev_priv->edp.preemphasis = DP_TRAIN_PRE_EMPHASIS_9_5; + break; + } + switch (edp_link_params->vswing) { + case 0: + dev_priv->edp.vswing = DP_TRAIN_VOLTAGE_SWING_400; + break; + case 1: + dev_priv->edp.vswing = DP_TRAIN_VOLTAGE_SWING_600; + break; + case 2: + dev_priv->edp.vswing = DP_TRAIN_VOLTAGE_SWING_800; + break; + case 3: + dev_priv->edp.vswing = DP_TRAIN_VOLTAGE_SWING_1200; + break; + } } static void diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index a49e791..83a389e 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -23,6 +23,9 @@ #ifndef _DRM_DP_HELPER_H_ #define _DRM_DP_HELPER_H_ +#include +#include + /* From the VESA DisplayPort spec */ #define AUX_NATIVE_WRITE 0x8