RE: [PATCH v2 0/2] V4L/DVB: OMAP_VOUT: Allow omap_vout to build without VRFB

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> -----Original Message-----
> From: Taneja, Archit
> Sent: Monday, September 27, 2010 12:47 PM
> To: Hiremath, Vaibhav
> Cc: linux-omap@xxxxxxxxxxxxxxx; linux-media@xxxxxxxxxxxxxxx; Taneja,
> Archit
> Subject: [PATCH v2 0/2] V4L/DVB: OMAP_VOUT: Allow omap_vout to build
> without VRFB
> 
> This lets omap_vout driver build and run without VRFB. It works along the
> lines of the following patch series:
> 
> OMAP: DSS2: OMAPFB: Allow FB_OMAP2 to build without VRFB
> https://patchwork.kernel.org/patch/105371/
> 
> Since VRFB is tightly coupled with the omap_vout driver, a handful of vrfb
> specific functions have been defined and placed in omap_vout_vrfb.c
> 
> A variable rotation_type is introduced in omapvideo_info like the way in
> omapfb_info, this allows to call vrfb specific functions only if the
> rotation
> type is vrfb. When the rotation_type is set to SDMA, the S_CTRL ioctl
> prevents
> the user setting a non zero rotation value.
> 
[Hiremath, Vaibhav] Lets make one stand here,

I think this series still doesn't support DMA based rotation, unlike Fbdev driver so I would say lets clearly state that we are not supporting sDMA based rotation here. So I don't see any reason why we need 

> Archit Taneja (2):
>   V4L/DVB: OMAP_VOUT: Create a seperate vrfb functions library
>   V4L/DVB: OMAP_VOUT: Use rotation_type to choose between vrfb and
>     sdram buffers
> 
>  drivers/media/video/omap/Kconfig          |    1 -
>  drivers/media/video/omap/Makefile         |    1 +
>  drivers/media/video/omap/omap_vout.c      |  480 ++++++------------------
> -----
>  drivers/media/video/omap/omap_vout_vrfb.c |  417
> +++++++++++++++++++++++++
>  drivers/media/video/omap/omap_vout_vrfb.h |   40 +++
>  drivers/media/video/omap/omap_voutdef.h   |   26 ++
>  6 files changed, 571 insertions(+), 394 deletions(-)
>  create mode 100644 drivers/media/video/omap/omap_vout_vrfb.c
>  create mode 100644 drivers/media/video/omap/omap_vout_vrfb.h
> --
> Version 2:
>  - Don't try to enable SDRAM rotation , return an error if non zero
> rotation
>    is attempted when rotation_type is set to SDMA rotation.
> Version 1:
>    http://www.mail-archive.com/linux-media@xxxxxxxxxxxxxxx/msg21937.html
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