[PATCH 2/2] simplefb: use write-combined remapping

2013-10-30 Thread Tomi Valkeinen
On 2013-10-30 09:49, David Herrmann wrote: > Hi Tomi > > Ping? Thanks, queued this and the 1/2 patch for 3.13. Tomi > > Thanks > David > > On Wed, Oct 2, 2013 at 4:58 PM, David Herrmann > wrote: >> Framebuffers shouldn't be cached and it is usually very uncommon to read >> them. Therefore,

[PATCH 2/2] simplefb: use write-combined remapping

2013-10-30 Thread David Herrmann
Hi Tomi Ping? Thanks David On Wed, Oct 2, 2013 at 4:58 PM, David Herrmann wrote: > Framebuffers shouldn't be cached and it is usually very uncommon to read > them. Therefore, use ioremap_wc() to get significant speed improvements on > systems which provide it. On all other systems it's aliased

[PATCH 2/2] simplefb: use write-combined remapping

2013-10-02 Thread David Herrmann
Framebuffers shouldn't be cached and it is usually very uncommon to read them. Therefore, use ioremap_wc() to get significant speed improvements on systems which provide it. On all other systems it's aliased to ioremap_nocache() which is also fine. Reported-by: Tom Gundersen Signed-off-by: David