On December 5, 2015 12:02:11 AM GMT+01:00, Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> wrote: >Hi Hans, > >On Friday 04 December 2015 23:50:31 Hans Verkuil wrote: >> On December 4, 2015 11:05:48 PM GMT+01:00, Laurent Pinchart wrote: >> > To test buffer sharing with devices that require contiguous memory >> > buffers the dma-contig allocator is required. Support it and make >the >> > allocator selectable through a module parameter. Support for the >two >> > memory allocators can also be individually selected at compile-time >to >> > avoid bloating the kernel with an unneeded allocator. >> > >> > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> >> >--- >> > >> > drivers/media/platform/vivid/Kconfig | 21 ++++++++++++- >> > drivers/media/platform/vivid/vivid-core.c | 44 >++++++++++++++++++++---- >> > drivers/media/platform/vivid/vivid-core.h | 1 + >> > drivers/media/platform/vivid/vivid-sdr-cap.c | 3 ++ >> > drivers/media/platform/vivid/vivid-vbi-cap.c | 2 ++ >> > drivers/media/platform/vivid/vivid-vbi-out.c | 1 + >> > drivers/media/platform/vivid/vivid-vid-cap.c | 9 ++---- >> > drivers/media/platform/vivid/vivid-vid-out.c | 9 ++---- >> > 8 files changed, 72 insertions(+), 18 deletions(-) > >[snip] > >> Apologies for top posting, I'm sending this from my Android phone. > >No need to, your message was at the bottom :-) > >> Laurent, did you test this on a regular pc? I've tried this before, >but >> failed since I couldn't make it work on a pc. I didn't spend a huge >amount >> of time on it, though. >> >> Just want to make sure that this case is covered. > >I haven't tested that, no. Let's see who from you or me will find free >time >first (hint: it might be you :-)). This http://git.linuxtv.org/hverkuil/media_tree.git/log/?h=vivid-alloc is my previous attempt. I'll likely find time to test your version, but I won't accept it if it doesn't work on a pc. Unless there is a good explanation for why it doesn't work. But in that case it shouldn't be enabled unless it really works. Regards, Hans -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html