[BUG] hdlcd gets confused about base address
Russell King - ARM Linux
linux at armlinux.org.uk
Mon Feb 20 17:57:43 UTC 2017
On Mon, Feb 20, 2017 at 05:53:31PM +0000, Liviu Dudau wrote:
> Sorry, looks like this fell through the cracks of us trying to fix the
> other issues you were seeing. I'm attaching a patch, please let me know
> if this works for you.
I don't have time to test right now, but it looks similar to what I
had.
Only nit is - is dest_w used apart from being written once? (That's
probably something for a separate patch.)
There's also the issue which Daniel Vetter followed up with to my
comment about this calculation - the plane state validation is
insufficient, and it would be a good idea if it used
drm_plane_helper_check_state().
Also, I've since noticed that it doesn't check state->rotation, and
I don't think this driver supports any rotation options.
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