From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <nikita.yoush@cogentembedded.com>
Return-Path: <nikita.yoush@cogentembedded.com>
Subject: Re: [PATCH] clk: imx51: propagate rate across ipu_di*_sel
To: "Wladimir J. van der Laan" <laanwj@gmail.com>,
 Fabio Estevam <festevam@gmail.com>
Cc: Lucas Stach <l.stach@pengutronix.de>, Shawn Guo <shawnguo@kernel.org>,
 Michael Turquette <mturquette@baylibre.com>,
 Stephen Boyd <sboyd@codeaurora.org>, patchwork-lst@pengutronix.de,
 "linux-arm-kernel@lists.infradead.org"
 <linux-arm-kernel@lists.infradead.org>, Sascha Hauer
 <kernel@pengutronix.de>, Fabio Estevam <fabio.estevam@nxp.com>,
 Ilia Mirkin <imirkin@alum.mit.edu>, linux-clk@vger.kernel.org,
 Chris Healy <cphealy@gmail.com>
References: <20170818163058.22252-1-l.stach@pengutronix.de>
 <CAOMZO5BoZNQrmDMXE0CDxLS-v7xVu4z87Ezdma1X1QCV56rPtQ@mail.gmail.com>
 <20170821155412.GA24652@amethyst.visucore.com>
From: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Message-ID: <4d5dbc0a-56b0-52a3-482d-2b3348c9c53b@cogentembedded.com>
Date: Mon, 21 Aug 2017 18:58:19 +0300
MIME-Version: 1.0
In-Reply-To: <20170821155412.GA24652@amethyst.visucore.com>
Content-Type: text/plain; charset=utf-8
List-ID: <linux-clk.vger.kernel.org>

> I'm trying to, but getting a non-clock-related problem on the i.mx51 babbage board
> with current kernel preventing the display from coming up at all:
> 
>     [    0.824712] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
>     [    0.831411] [drm] No driver support for vblank timestamp query.
>     [    0.837632] imx-drm display-subsystem: bound imx-ipuv3-crtc.0 (ops ipu_crtc_ops)
>     [    0.845214] imx-drm display-subsystem: bound imx-ipuv3-crtc.1 (ops ipu_crtc_ops)
>     [    0.852720] imx-drm display-subsystem: failed to bind display@di0 (ops imx_pd_ops): -19
>     [    0.860994] imx-drm display-subsystem: master bind failed: -19

I believe this should be fixed by

commit 799ee2970485dc206c3bf347d6e6827c04d5e4f9
Author: Philipp Zabel <p.zabel@pengutronix.de>
Date:   Mon Jun 12 17:54:29 2017 +0200

  drm/imx: parallel-display: Accept drm_of_find_panel_or_bridge failure


Nikita

From mboxrd@z Thu Jan  1 00:00:00 1970
From: nikita.yoush@cogentembedded.com (Nikita Yushchenko)
Date: Mon, 21 Aug 2017 18:58:19 +0300
Subject: [PATCH] clk: imx51: propagate rate across ipu_di*_sel
In-Reply-To: <20170821155412.GA24652@amethyst.visucore.com>
References: <20170818163058.22252-1-l.stach@pengutronix.de>
 <CAOMZO5BoZNQrmDMXE0CDxLS-v7xVu4z87Ezdma1X1QCV56rPtQ@mail.gmail.com>
 <20170821155412.GA24652@amethyst.visucore.com>
Message-ID: <4d5dbc0a-56b0-52a3-482d-2b3348c9c53b@cogentembedded.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

> I'm trying to, but getting a non-clock-related problem on the i.mx51 babbage board
> with current kernel preventing the display from coming up at all:
> 
>     [    0.824712] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
>     [    0.831411] [drm] No driver support for vblank timestamp query.
>     [    0.837632] imx-drm display-subsystem: bound imx-ipuv3-crtc.0 (ops ipu_crtc_ops)
>     [    0.845214] imx-drm display-subsystem: bound imx-ipuv3-crtc.1 (ops ipu_crtc_ops)
>     [    0.852720] imx-drm display-subsystem: failed to bind display at di0 (ops imx_pd_ops): -19
>     [    0.860994] imx-drm display-subsystem: master bind failed: -19

I believe this should be fixed by

commit 799ee2970485dc206c3bf347d6e6827c04d5e4f9
Author: Philipp Zabel <p.zabel@pengutronix.de>
Date:   Mon Jun 12 17:54:29 2017 +0200

  drm/imx: parallel-display: Accept drm_of_find_panel_or_bridge failure


Nikita