On Thu, May 24, 2012 at 10:43 AM, Tomi Valkeinen tomi.valkei...@ti.com wrote:
On Tue, 2012-05-22 at 22:54 +0300, Siarhei Siamashka wrote:
I ran my own fb perf test on omap3 overo board (perf test in
https://gitorious.org/linux-omap-dss2/omapfb-tests) :
vram_cache=n:
On Tue, 2012-05-22 at 22:54 +0300, Siarhei Siamashka wrote:
This is a very simple few-liner patchset, which allows to optionally
enable write-through caching for OMAP DSS framebuffer. The problem with
the current writecombine cacheability attribute is that it only speeds
up writes. Uncached
This is a very simple few-liner patchset, which allows to optionally
enable write-through caching for OMAP DSS framebuffer. The problem with
the current writecombine cacheability attribute is that it only speeds
up writes. Uncached reads are slow, even though the use of NEON mitigates
this problem
On Tue, May 22, 2012 at 10:54 PM, Siarhei Siamashka
siarhei.siamas...@gmail.com wrote:
And at least for ARM11 and Cortex-A8 processors, the performance of
write-through cache is really good. Cortex-A9 is another story, because
all pages marked as Write-Through are supposedly treated as
