search for: nvc0_software_mthd_mp_control

On Wed, Mar 26, 2014 at 1:27 PM, Ben Skeggs <skeggsb at gmail.com> wrote: > On Tue, Mar 25, 2014 at 9:10 AM, Thierry Reding > <thierry.reding at gmail.com> wrote: >> On Mon, Mar 24, 2014 at 05:42:33PM +0900, Alexandre Courbot wrote: >>> GK20A does not embed a dedicated COPY engine and thus cannot allocate >>> the copy channel that nouveau_accel_init()

--- drivers/gpu/drm/nouveau/core/include/subdev/ltcg.h | 7 + drivers/gpu/drm/nouveau/core/subdev/fb/nvc0.c | 55 +++++---- drivers/gpu/drm/nouveau/core/subdev/ltcg/nvc0.c | 129 +++++++++++++++++++- drivers/gpu/drm/nouveau/core/subdev/vm/nvc0.c | 58 +++++++++- 4 files changed, 220 insertions(+), 29 deletions(-) diff --git

...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