On Thu, Jan 14, 2016 at 05:14:47PM -0800, Stefan Agner wrote: > On a slightly other topic, I question whether REGCACHE_RBTREE is the > right cache type for the DCU DRM driver. The driver has uses a regmap > area of 1144 32-bit registers, the most space is used by the layer > configuration registers which are 0x40 apart and 0x0-0x20 for each layer > are actually used (hence somewhat above 50%).
> Would FLAT be the better cache type? Yes, and if it's a MMIO device the performance of a flat cache is more in line with the device performance. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 473 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20160115/8a5c229d/attachment.sig>
