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