> -----Original Message-----
> From: Taneja, Archit
> Sent: Thursday, November 04, 2010 1:26 PM
> To: Hiremath, Vaibhav
> Cc: linux-me...@vger.kernel.org; linux-omap@vger.kernel.org; Taneja,
> Archit
> Subject: [PATCH v3 0/3] V4L/DVB: OMAP_VOUT: Allow omap_vout to build
> without VRFB
> 
[Hiremath, Vaibhav] Sorry for delayed response, today I managed to review this 
patch series and I have few comments (following this post).


Thanks,
Vaibhav

> 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 new enum called vout_rotation_type is introduced to differentiate
> between no
> rotation and vrfb rotation. A member rotation_type is introduced in
> omapvideo_info,
> this allows to call vrfb specific functions only if the rotation type is
> VOUT_ROT_VRFB
> When the rotation_type is set to VOUT_ROT_NONE, the S_CTRL ioctl prevents
> the user setting
> a non zero rotation or non zero mirror value.
> 
> Archit Taneja (3):
>   V4L/DVB: OMAP_VOUT: Move some functions and preprocessor defines from
>     omap_vout
>   V4L/DVB: OMAP_VOUT: Create a seperate vrfb functions library
>   V4L/DVB: OMAP_VOUT: Use rotation_type to choose between vrfb rotation
>     and no rotation
> 
>  drivers/media/video/omap/Kconfig          |    2 +-
>  drivers/media/video/omap/Makefile         |    1 +
>  drivers/media/video/omap/omap_vout.c      |  560 +++++-------------------
> -----
>  drivers/media/video/omap/omap_vout_vrfb.c |  411 +++++++++++++++++++++
>  drivers/media/video/omap/omap_vout_vrfb.h |   42 +++
>  drivers/media/video/omap/omap_voutdef.h   |   77 ++++
>  drivers/media/video/omap/omap_voutlib.c   |   44 +++
>  drivers/media/video/omap/omap_voutlib.h   |    2 +
>  8 files changed, 659 insertions(+), 480 deletions(-)
>  create mode 100644 drivers/media/video/omap/omap_vout_vrfb.c
>  create mode 100644 drivers/media/video/omap/omap_vout_vrfb.h
> --
> Version 3:
>  - Introduce a new enum at V4L2 driver level which cleanly differentiates
>    between vrfb rotation and no rotation, incorporate comments given for
> v2
> 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-me...@vger.kernel.org/msg21937.html
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