Re: [PATCH v4 13/14] drm/mxsfb: Add support for horizontal stride

2019-11-05 Thread Laurent Pinchart
On Mon, Oct 14, 2019 at 02:40:55PM +0200, Stefan Agner wrote: > Hi Robert, > > Sorry it took me so long to have a closer look at this patchset. > > I will definitely merge part of it, but this particular patch actually > breaks i.MX 7. I have vertical stripes on my display with this patch > appli

Re: [PATCH v4 13/14] drm/mxsfb: Add support for horizontal stride

2019-10-14 Thread Stefan Agner
Hi Robert, Sorry it took me so long to have a closer look at this patchset. I will definitely merge part of it, but this particular patch actually breaks i.MX 7. I have vertical stripes on my display with this patch applied (using Weston with DRM backend). Not sure why this exactly happens, from

[PATCH v4 13/14] drm/mxsfb: Add support for horizontal stride

2019-08-29 Thread Robert Chiras
Besides the eLCDIF block, there is another IP block, used in the past for EPDC panels. Since the iMX.8mq doesn't have an EPDC connector, this block is not documented, but we can use it to do additional operations on the frame buffer. In this case, we can use the pigeon registers from this IP block