On Fri, Feb 11, 2011 at 4:52 AM, Cédric Cano <ccano@xxxxxxxxxxxxxxxxxxxx> wrote: > Hi > > Here are a couple of patches that enable support for RV730 on big endian > architectures. The following items will work : > * KMS > - correct color in framebuffer > - interrupts > - kms blit > - power management > * DDX > - kms enabled > - exa > - video textures > - hardware cursor > > For the BE modifications, the AMD Linux Engineering team advised me to focus > on : > - make sure all the atombios data table accesses are endian safe > - set the display controller swappers > properly(http://lists.freedesktop.org/archives/dri-devel/2011-January/007486.html) > - make sure the appropriate endian swapper is enabled in the texture and > vertex fetch constants (see SQ_TEX_RESOURCE_WORD* and SQ_VTX_RESOURCE_WORD* > regs) > - make sure the shaders are stored in LE order > - make sure shader constant buffers are stored in LE order > - endian swap IH (interrupt handler) packets > - endian swap the CP command buffers > - endian swap WB (write back) buffers > That was me :) > That's what I tried to do and so far, I have KMS and DDX (with EXA) drivers > working. Drivers have been tested on a MPC8640 custom design, with a custom > graphics board based on E4690 (RV730). I'm using a custom linux distribution > with Xorg 7.6 (xf86-video-ati 6.13.2). The latest kernel available for my > board is 2.6.35.6 so I haven't tested with upstream kernel. I'll review and commit your patches this weekend. I'll probably break them up into smaller commits if that's ok with you. > > I'd also like to test more the ddx driver in order to check the EXA > functions do a correct rendering. Is there a driver framework testing, or > some kind of unit test you, ddx driver writers, are using ? cairo has some tests. Also, rendercheck. Alex > > Regards, > Cedric Cano > > > > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/dri-devel > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
