On Wed, Apr 2, 2014 at 10:14 AM, Alexandre Courbot <gnurou@xxxxxxxxx> wrote: >>>> + /* Need to figure out how to handle sw for gk20a */ >>>> + if (device->chipset == 0xea) >>>> + goto skip_sw_init; >>> >>> The commit message makes it sound like SW isn't needed since gk20a >>> "lacks any display hardware". In that case the comment here doesn't make >>> much sense. > > Correct. As far as I have looked (that is, not very far), SW methods > are used for display-related functions, but there might be other > use-cases too. Maybe someone who knows better can confirm? http://cgit.freedesktop.org/~darktama/nouveau/tree/nvkm/engine/software/nvc0.c Take a look at nvc0_software_mthd_mp_control -- that's used in the mesa driver to... well, control those things :) They're related to PGRAPH, which should be available on the GK20A. [Not sure what they do though. One of them is about turning off error reporting.] -ilia -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
