Re: [PATCH 4/8] drm/sun4i: add support for sun8i DE2 mixers and display engines

[Emil Velikov]

On 22 February 2017 at 15:18, Icenowy Zheng <icenowy@xxxxxxxx> wrote:
> Allwinner have a new "Display Engine 2.0" in there new SoCs, which comes
> in a new "Display Engine" (mixers instead of old backends and
> frontends).
>
> Add support for the mixer on Allwinner V3s SoC; it's the simplest one.
>
> Signed-off-by: Icenowy Zheng <icenowy@xxxxxxxx>
> ---
>  drivers/gpu/drm/sun4i/Kconfig       |   8 +
>  drivers/gpu/drm/sun4i/Makefile      |   1 +
>  drivers/gpu/drm/sun4i/sun4i_crtc.c  |   6 +-
>  drivers/gpu/drm/sun4i/sun4i_drv.c   |  38 +++-
>  drivers/gpu/drm/sun4i/sun4i_drv.h   |   1 +
>  drivers/gpu/drm/sun4i/sun4i_layer.c |  92 ++++++--
>  drivers/gpu/drm/sun4i/sun4i_layer.h |   1 +
>  drivers/gpu/drm/sun4i/sun8i_mixer.c | 417 ++++++++++++++++++++++++++++++++++++
>  drivers/gpu/drm/sun4i/sun8i_mixer.h | 133 ++++++++++++
>  9 files changed, 674 insertions(+), 23 deletions(-)
Silly question:

Does this series cover the same functionality/hardware as the separate
sun8i driver proposed a few months back ?
The diff stat looks quite different (~1.6k vs ~0.6k), although that
could be due to reusing the existing sun4i code.

Thanks
Emil