Hi Laurent, On Mon, Sep 14, 2015 at 12:50 AM, Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> wrote: > This patch series adds support for the Display Unit found in the R-Car Gen3 > SoC series. > > The third generation differs significantly from the previous ones in that the > DU has lost its ability to source data from memory. It must instead use an > external hardware composer named VSP to read planes from memory and blend > them. > > The VSP has a V4L2 driver in mainline that can be used in conjunction with the > DU through the live sources API (submitted previously as an RFC). However, as > VSP usage is mandatory in Gen3 and as no native DU planes are available, we > have decided that forcing userspace to use both KMS and V4L2 to display any > content wouldn't be very friendly. Instead the VSP driver has been extended to > make the device directly controllable by the DU driver ([1]) and this patch > series builds on top of it. > > [1] http://www.spinics.net/lists/linux-media/msg93575.html Against which tree is this series? >From patch 1, I derived it's against drm-misc (git://anongit.freedesktop.org/drm-intel#topic/drm-misc), but later patches have other requirements. E.g. patch 13 assumes DRM_RCAR_DU has a dependency on OF, but that's nowhere to be found in -next. It is in git://linuxtv.org/pinchartl/media#vsp1-kms-gen3-20150909.2, but that conflicts badly with your R-Car Gen3 VSP series. Thanks! Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
