Le 13/04/2011 14:10, Benjamin Herrenschmidt a ?crit : > On Wed, 2011-04-13 at 22:05 +1000, Benjamin Herrenschmidt wrote: >> On Tue, 2011-04-12 at 10:01 +0200, C?dric Cano wrote: >>> Hi >>> >>> Here you are a patch that adds big endian support for rv730 in r600 >>> classic mesa driver. The BE modifications are almost the same as the DRM >>> / DDX driver modifications >>> (http://lists.freedesktop.org/archives/dri-devel/2011-February/008151.html). >>> >>> I used the mesa-demos to test the driver status on big endian platform. >>> Nearly all demos renders the same as on Intel architecture. >>> Nevertheless, there are still some issues in glReadPixels (r600_blit) >>> with some formats. I can't figure out exactly what and when data must be >>> swapped (set_tex_resoures, set_render_target...). Review of the patch >>> would be greatly appreciated. >>> >>> It seems that r600g will be the default for Mesa 7.11 so I'll try to >>> enable big endian support for Gallium now. >> Cool stuff ! >> >> I'll try to test that one of these days on various ppc's > BTW. I see you used some FSL embedded board. Do you have your PCIe MMIO > space above 32-bit ? Last I looked, there was a bunch of fixing needing > to be done, among others in the TTM, to make that work. > > I had some preliminary patches but they bitrot... mostly the issue is to > make sure than a phys_addr_t is used instead of an unsigned long > whenever it tries to store the physical address of an object. > > Ben. > > > Hi Ben,
I don't use Freescale eval boards but our custom PowerPC design. We didn't enable the 36-bit addressing mode yet. C?dric
