Re: Problem with gpu: ipu-v3: Fix imx-ipuv3-crtc module autoloading
From: Philipp Zabel
Date: Thu Jun 23 2016 - 04:12:53 EST
Hi Stanislav,
Am Mittwoch, den 22.06.2016, 19:43 +0200 schrieb Stanislav Meduna:
> Hi,
>
> the c04e6e9 patch
>
> gpu: ipu-v3: Fix imx-ipuv3-crtc module autoloading
>
> broke display connected to a TQMa53 i.MX53 board. The lines
>
> imx-drm display-subsystem: bound imx-ipuv3-crtc.0 (ops ipu_crtc_ops)
> imx-drm display-subsystem: bound imx-ipuv3-crtc.1 (ops ipu_crtc_ops)
>
> are not present anymore and the display shows random lines.
>
> I am using the 4.4.12-rt19+ kernel with some local changes, but
>
> the area of this patch is not touched by either.
>
> I am not sure whether my device tree is at fault (I am not
> an expert here nor did I created the file from scratch) or the patch
> does not take some special case into account. In any case
> reverting the patch solves the problem for me.
It's not your fault. Please update to 4.4.13 or apply commit
310944d148e3 ("drm/imx: Match imx-ipuv3-crtc components using device
node in platform data"). That should fix this issue. See the patch
description for more details.
regards
Philipp