On Tue, Dec 14, 2010 at 9:59 AM, Jammy Zhou <jammy.zhou@xxxxxxxxxx> wrote: > > > On Mon, Dec 13, 2010 at 11:18 PM, Arnd Bergmann <arnd@xxxxxxxx> wrote: >> >> On Monday 13 December 2010, Jammy Zhou wrote: >> > On Mon, Dec 13, 2010 at 4:45 AM, Linus Walleij >> > <linus.walleij@xxxxxxxxxx>wrote: >> > >> > > On 11 December 2010 22:41, Arnd Bergmann <arnd@xxxxxxxx> wrote: >> > > >> > > * amd-gpu -- a single but huge driver for the GPU. As is normally the >> > >> Â Â Â Â Â Â case with GPU drivers, we can expect long discussions >> > >> Â Â Â Â Â Â before it will get considered for mainline >> > >> Â4 patches >> > >> Â98 files changed, 278321 insertions(+), 0 deletions(-) >> > >> >> > > >> > > Just out of curiosity, following the discussion between Dave Airlie >> > > and Codeaurora this summer re GPU driver shims. >> > > >> > > Is the AMD GPU exposing all functionality in its kernel driver or >> > > is there some userspace blob somewhere with lots of e.g. GL >> > > goodies? >> > > >> > All the functionality for the kernel driver of AMD GPU Z430/Z160 (now >> > belongs to Qualcom) is exposed. But we need accompanied userspace >> > library to >> > call these functionality (buffer management, command submission, ...). >> >> Who owns these components? If it's closed source, the only options we >> have are lobbying for complete release of the specs for a reimplementation >> or reverse-engineering the drivers, which may at least get easier with >> a user space driver than it would be with a kernel driver. > > The user space library is closed source, and it is owned by Qualcomm. > >> >> Until there is a solution with an open source user space part, I would >> suggest that the driver better be dropped from the Freescale BSP and >> we should at least not waste time reviewing it. > > I think it is beneficial for us to integrate the kernel part into our Linaro > tree, so that we can build/use it together with the kernel image. As for the > user space libraries, how about adding them into the hwpack? (Is there any > legal issue for this?) I think so, there's normally a rule if free redistribution is allowed or not, even it's closed source. > >> >> Â Â Â ÂArnd > > > _______________________________________________ > linaro-dev mailing list > linaro-dev@xxxxxxxxxxxxxxxx > http://lists.linaro.org/mailman/listinfo/linaro-dev > > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
