Re: [PATCH v2] drm/sun4i: Fix dsi dcs long write function

2020-08-31 Thread Maxime Ripard
On Fri, Aug 28, 2020 at 02:50:32PM +0200, Ondrej Jirman wrote: > It's writing too much data. regmap_bulk_write expects number of > register sized chunks to write, not a byte sized length of the > bounce buffer. Bounce buffer needs to be padded too, so that > regmap_bulk_write will not read past

[PATCH v2] drm/sun4i: Fix dsi dcs long write function

2020-08-28 Thread Ondrej Jirman
It's writing too much data. regmap_bulk_write expects number of register sized chunks to write, not a byte sized length of the bounce buffer. Bounce buffer needs to be padded too, so that regmap_bulk_write will not read past the end of the buffer. Fixes: 133add5b5ad4 ("drm/sun4i: Add Allwinner