On 06/13/2012 10:19 AM, Simon Glass wrote: > Add support for adjusting the cachability of an L1 section by updating > the MMU. The mmu_set_region_dcache() function allows drivers to make > these changes after the MMU is set up. > > It is implemented only for ARMv7 at present. > > This is needed for LCD support, where we want to make the LCD frame buffer > write-through (or off) rather than write-back.
Wouldn't performance be significantly better if the region was fully cached, but flushed after each display surface update? _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
