From patchwork Thu Mar 13 17:17:29 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Denis Carikli X-Patchwork-Id: 3827631 Return-Path: X-Original-To: patchwork-linux-arm@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 241999F369 for ; Thu, 13 Mar 2014 17:35:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 26BCC201E9 for ; Thu, 13 Mar 2014 17:35:14 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 06C57201B6 for ; Thu, 13 Mar 2014 17:35:13 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WO9JP-0002ZC-TJ; Thu, 13 Mar 2014 17:20:56 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WO9Ic-000834-5A; Thu, 13 Mar 2014 17:20:06 +0000 Received: from smtp1-g21.free.fr ([2a01:e0c:1:1599::10]) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1WO9HV-0007rt-Mo for linux-arm-kernel@lists.infradead.org; Thu, 13 Mar 2014 17:19:00 +0000 Received: from denis-N73SV.local.eukrea.com (unknown [88.170.243.169]) by smtp1-g21.free.fr (Postfix) with ESMTP id 367059400AA; Thu, 13 Mar 2014 18:18:29 +0100 (CET) From: Denis Carikli To: Philipp Zabel Subject: [PATCH 08/12] imx-drm: Use drm_display_mode timings flags. Date: Thu, 13 Mar 2014 18:17:29 +0100 Message-Id: <1394731053-6118-8-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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140313_131858_515064_90C92D0C X-CRM114-Status: GOOD ( 12.17 ) X-Spam-Score: -1.2 (-) Cc: devel@driverdev.osuosl.org, Russell King , =?UTF-8?q?Eric=20B=C3=A9nard?= , David Airlie , Greg Kroah-Hartman , linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, Denis Carikli , Laurent Pinchart , Sascha Hauer , Shawn Guo , linux-arm-kernel@lists.infradead.org, Mauro Carvalho Chehab X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_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 The previous hardware behaviour was kept if the flags are not set. Signed-off-by: Denis Carikli --- ChangeLog v10->v11: - This patch was splitted-out and adapted from: "Prepare imx-drm for extra display-timings retrival." - The display-timings dt specific part was removed. - The flags names were changed to use the DRM ones from: "drm: drm_display_mode: add signal polarity flags" --- drivers/staging/imx-drm/imx-drm-core.c | 10 ++++++++++ drivers/staging/imx-drm/imx-drm.h | 6 ++++++ drivers/staging/imx-drm/imx-hdmi.c | 3 +++ drivers/staging/imx-drm/imx-ldb.c | 3 +++ drivers/staging/imx-drm/imx-tve.c | 3 +++ drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h | 6 ++++-- drivers/staging/imx-drm/ipu-v3/ipu-di.c | 7 ++++++- drivers/staging/imx-drm/ipuv3-crtc.c | 21 +++++++++++++++++++-- 3 files changed, 29 insertions(+), 5 deletions(-) diff --git a/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h b/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h index b95cba1..3abeea3 100644 --- a/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h +++ b/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h @@ -29,9 +29,11 @@ enum ipuv3_type { #define CLK_POL_ACTIVE_LOW 0 #define CLK_POL_ACTIVE_HIGH 1 +#define CLK_POL_PRESERVE 2 #define ENABLE_POL_NEGEDGE 0 #define ENABLE_POL_POSEDGE 1 +#define ENABLE_POL_PRESERVE 2 /* * Bitfield of Display Interface signal polarities. @@ -43,10 +45,10 @@ struct ipu_di_signal_cfg { unsigned clksel_en:1; unsigned clkidle_en:1; unsigned data_pol:1; /* true = inverted */ - unsigned clk_pol:1; - unsigned enable_pol:1; unsigned Hsync_pol:1; /* true = active high */ unsigned Vsync_pol:1; + u8 clk_pol; + u8 enable_pol; u16 width; u16 height; diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-di.c b/drivers/staging/imx-drm/ipu-v3/ipu-di.c index 53646aa..791080b 100644 --- a/drivers/staging/imx-drm/ipu-v3/ipu-di.c +++ b/drivers/staging/imx-drm/ipu-v3/ipu-di.c @@ -597,6 +597,8 @@ int ipu_di_init_sync_panel(struct ipu_di *di, struct ipu_di_signal_cfg *sig) if (sig->clk_pol == CLK_POL_ACTIVE_HIGH) di_gen |= DI_GEN_POLARITY_DISP_CLK; + else if (sig->clk_pol == CLK_POL_ACTIVE_LOW) + di_gen &= ~DI_GEN_POLARITY_DISP_CLK; ipu_di_write(di, di_gen, DI_GENERAL); @@ -604,10 +606,13 @@ int ipu_di_init_sync_panel(struct ipu_di *di, struct ipu_di_signal_cfg *sig) DI_SYNC_AS_GEN); reg = ipu_di_read(di, DI_POL); - reg &= ~(DI_POL_DRDY_DATA_POLARITY | DI_POL_DRDY_POLARITY_15); + reg &= ~(DI_POL_DRDY_DATA_POLARITY); if (sig->enable_pol == ENABLE_POL_POSEDGE) reg |= DI_POL_DRDY_POLARITY_15; + else if (sig->enable_pol == ENABLE_POL_NEGEDGE) + reg &= ~DI_POL_DRDY_POLARITY_15; + if (sig->data_pol) reg |= DI_POL_DRDY_DATA_POLARITY; diff --git a/drivers/staging/imx-drm/ipuv3-crtc.c b/drivers/staging/imx-drm/ipuv3-crtc.c index 8cfeb47..c75034e 100644 --- a/drivers/staging/imx-drm/ipuv3-crtc.c +++ b/drivers/staging/imx-drm/ipuv3-crtc.c @@ -157,8 +157,25 @@ static int ipu_crtc_mode_set(struct drm_crtc *crtc, if (mode->flags & DRM_MODE_FLAG_PVSYNC) sig_cfg.Vsync_pol = 1; - sig_cfg.enable_pol = ENABLE_POL_POSEDGE; - sig_cfg.clk_pol = CLK_POL_ACTIVE_LOW; + if (mode->pol_flags & DRM_MODE_FLAG_POL_PIXDATA_POSEDGE) + sig_cfg.enable_pol = ENABLE_POL_POSEDGE; + else if (mode->pol_flags & DRM_MODE_FLAG_POL_DE_NEGEDGE) + sig_cfg.enable_pol = ENABLE_POL_NEGEDGE; + else if (mode->pol_flags & DRM_MODE_FLAG_POL_PIXDATA_PRESERVE) + sig_cfg.enable_pol = ENABLE_POL_PRESERVE; + else + sig_cfg.enable_pol = ENABLE_POL_POSEDGE; + + if (mode->private_flags & DRM_MODE_FLAG_POL_DE_POSEDGE) + sig_cfg.clk_pol = CLK_POL_ACTIVE_HIGH; + else if (mode->private_flags & DRM_MODE_FLAG_POL_DE_NEGEDGE) + sig_cfg.clk_pol = CLK_POL_ACTIVE_LOW; + else if (mode->private_flags & DRM_MODE_FLAG_POL_DE_PRESERVE) + sig_cfg.clk_pol = CLK_POL_PRESERVE; + else + sig_cfg.clk_pol = CLK_POL_ACTIVE_LOW; + + sig_cfg.width = mode->hdisplay; sig_cfg.height = mode->vdisplay; sig_cfg.pixel_fmt = out_pixel_fmt;