From mboxrd@z Thu Jan 1 00:00:00 1970 From: mcuelenaere@gmail.com (Maurus Cuelenaere) Date: Wed, 16 Sep 2009 23:46:56 +0200 Subject: Samsung S3C6410 / SmartQ / 2D acceleration / Xorgy In-Reply-To: References: Message-ID: <4AB15CD0.2050104@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Op 16-09-09 04:43, linux-arm-kernel-request at lists.infradead.org schreef: > I am not sure about uio. Sorry. > > The main problem is the g2d fifo is 32 commands deep. And some of the > x11perf tests are running in our XAA s3c driver @ ~2e6 ops/sec. That is is > lot of interrupts for user or kernel context.:-) > > Sometimes polling is better. 1/2:-) > > We are 1 stupid bug away from a release of s3c Xwindows fbdev + XAA + > Xvideo (using the samsung s3c-pp) and HW cursor with alpha blend. > This sounds great! Do you have any code available? Regards, Maurus Cuelenaere