From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0667EC32753 for ; Wed, 14 Aug 2019 10:50:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D31A621872 for ; Wed, 14 Aug 2019 10:50:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727800AbfHNKtC (ORCPT ); Wed, 14 Aug 2019 06:49:02 -0400 Received: from inva020.nxp.com ([92.121.34.13]:55028 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727650AbfHNKtA (ORCPT ); Wed, 14 Aug 2019 06:49:00 -0400 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 3DAD21A037B; Wed, 14 Aug 2019 12:48:58 +0200 (CEST) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 30A621A038F; Wed, 14 Aug 2019 12:48:58 +0200 (CEST) Received: from fsr-ub1664-120.ea.freescale.net (fsr-ub1664-120.ea.freescale.net [10.171.82.81]) by inva024.eu-rdc02.nxp.com (Postfix) with ESMTP id 382DA2060E; Wed, 14 Aug 2019 12:48:57 +0200 (CEST) From: Robert Chiras To: =?UTF-8?q?Guido=20G=C3=BCnther?= , Marek Vasut , Stefan Agner , David Airlie , Daniel Vetter , Rob Herring , Mark Rutland , Shawn Guo , Sascha Hauer , Fabio Estevam Cc: Pengutronix Kernel Team , NXP Linux Team , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 02/15] drm/mxsfb: Read bus flags from bridge if present Date: Wed, 14 Aug 2019 13:48:38 +0300 Message-Id: <1565779731-1300-3-git-send-email-robert.chiras@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1565779731-1300-1-git-send-email-robert.chiras@nxp.com> References: <1565779731-1300-1-git-send-email-robert.chiras@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Guido Günther The bridge might have special requirmentes on the input bus. This is e.g. used by the imx-nwl bridge. Signed-off-by: Guido Günther Reviewed-by: Stefan Agner --- drivers/gpu/drm/mxsfb/mxsfb_crtc.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mxsfb/mxsfb_crtc.c b/drivers/gpu/drm/mxsfb/mxsfb_crtc.c index de09b93..b69ace8 100644 --- a/drivers/gpu/drm/mxsfb/mxsfb_crtc.c +++ b/drivers/gpu/drm/mxsfb/mxsfb_crtc.c @@ -209,7 +209,7 @@ static void mxsfb_crtc_mode_set_nofb(struct mxsfb_drm_private *mxsfb) { struct drm_device *drm = mxsfb->pipe.crtc.dev; struct drm_display_mode *m = &mxsfb->pipe.crtc.state->adjusted_mode; - const u32 bus_flags = mxsfb->connector->display_info.bus_flags; + u32 bus_flags = mxsfb->connector->display_info.bus_flags; u32 vdctrl0, vsync_pulse_len, hsync_pulse_len; int err; @@ -233,6 +233,9 @@ static void mxsfb_crtc_mode_set_nofb(struct mxsfb_drm_private *mxsfb) clk_set_rate(mxsfb->clk, m->crtc_clock * 1000); + if (mxsfb->bridge && mxsfb->bridge->timings) + bus_flags = mxsfb->bridge->timings->input_bus_flags; + DRM_DEV_DEBUG_DRIVER(drm->dev, "Pixel clock: %dkHz (actual: %dkHz)\n", m->crtc_clock, (int)(clk_get_rate(mxsfb->clk) / 1000)); -- 2.7.4