From patchwork Thu Mar 13 17:17:28 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Denis Carikli X-Patchwork-Id: 3827481 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 55AB09F43D for ; Thu, 13 Mar 2014 17:18:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 74EB8201E9 for ; Thu, 13 Mar 2014 17:18:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 86E72201D5 for ; Thu, 13 Mar 2014 17:18:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754527AbaCMRSe (ORCPT ); Thu, 13 Mar 2014 13:18:34 -0400 Received: from smtp1-g21.free.fr ([212.27.42.1]:47116 "EHLO smtp1-g21.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754297AbaCMRSc (ORCPT ); Thu, 13 Mar 2014 13:18:32 -0400 Received: from denis-N73SV.local.eukrea.com (unknown [88.170.243.169]) by smtp1-g21.free.fr (Postfix) with ESMTP id 7760D94003C; Thu, 13 Mar 2014 18:18:23 +0100 (CET) From: Denis Carikli To: Philipp Zabel Cc: =?UTF-8?q?Eric=20B=C3=A9nard?= , Shawn Guo , Sascha Hauer , linux-arm-kernel@lists.infradead.org, Greg Kroah-Hartman , devel@driverdev.osuosl.org, Mauro Carvalho Chehab , Russell King , linux-media@vger.kernel.org, Laurent Pinchart , dri-devel@lists.freedesktop.org, David Airlie , Denis Carikli Subject: [PATCH 07/12] drm: drm_display_mode: add signal polarity flags Date: Thu, 13 Mar 2014 18:17:28 +0100 Message-Id: <1394731053-6118-7-git-send-email-denis@eukrea.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1394731053-6118-1-git-send-email-denis@eukrea.com> References: <1394731053-6118-1-git-send-email-denis@eukrea.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham 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 We need a way to pass signal polarity informations between DRM panels, and the display drivers. To do that, a pol_flags field was added to drm_display_mode. Signed-off-by: Denis Carikli --- ChangeLog v10->v11: - Since the imx-drm won't be able to retrive its regulators from the device tree when using display-timings nodes, and that I was told that the drm simple-panel driver already supported that, I then, instead, added what was lacking to make the eukrea displays work with the drm-simple-panel driver. That required a way to get back the display polarity informations from the imx-drm driver without affecting userspace. --- include/drm/drm_crtc.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index f764654..61a4fe1 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -131,6 +131,13 @@ enum drm_mode_status { #define DRM_MODE_FLAG_3D_MAX DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF +#define DRM_MODE_FLAG_POL_PIXDATA_NEGEDGE BIT(1) +#define DRM_MODE_FLAG_POL_PIXDATA_POSEDGE BIT(2) +#define DRM_MODE_FLAG_POL_PIXDATA_PRESERVE BIT(3) +#define DRM_MODE_FLAG_POL_DE_NEGEDGE BIT(4) +#define DRM_MODE_FLAG_POL_DE_POSEDGE BIT(5) +#define DRM_MODE_FLAG_POL_DE_PRESERVE BIT(6) + struct drm_display_mode { /* Header */ struct list_head head; @@ -183,6 +190,7 @@ struct drm_display_mode { int vrefresh; /* in Hz */ int hsync; /* in kHz */ enum hdmi_picture_aspect picture_aspect_ratio; + unsigned int pol_flags; }; static inline bool drm_mode_is_stereo(const struct drm_display_mode *mode)