Re: [PATCH 0/8] media: imx: Miscalleanous format-related cleanups

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Hi Steve,

On Sat, Mar 14, 2020 at 03:30:53PM -0700, Steve Longerbeam wrote:
> On 3/11/20 5:47 PM, Laurent Pinchart wrote:
> > On Wed, Mar 11, 2020 at 05:16:49PM -0700, Steve Longerbeam wrote:
> >> Hi Laurent,
> >>
> >> I agree that the find/enum format code in imx-utils needs cleanup, it's
> >> too confusing. I will be ready to give my ack to the imx-utils patches
> >> once I do some smoke testing on a sabre target when I return from vacation.
> >>
> >> Note that Phillip also submitted a fixup patch to the find/enum format
> >> code, IIRC it did more consolidating of the imx_media_pixfmt tables. I
> >> can't find it and it has gotten lost, but I tested and provided a
> >> reviewed-by at the time.
> >
> > I've found them in the mail archive. There were 3 patches, Hans said he
> > would take the first two, but only the first one got merged. I'll take
> > the two others and build on top of them, fixing the issues pointed out
> > by the kbuild robot and addressing Hans concerns.
> 
> I found the thread finally. In fact I did some work on this set already, 
> I fixed the kbuild warnings as well as added some function headers 
> describing all the format search criteria arguments. Also changed a 
> local var in enum_formats() to better document the enum algorithm.
> 
> Unless you've started on this work already, I will be returning from 
> vaca tomorrow and can pick this up again, merging in your patches, as 
> well as splitting up find|enum_formats() into find|enum_formats() and 
> find|enum_codes(), which is the remaining suggestion from Hans.

I've done this already, I'll try to send the patches on Monday.

> >> On 3/10/20 9:18 AM, Laurent Pinchart wrote:
> >>> Hello,
> >>>
> >>> This patch series started as an attempt to fix the format get and set
> >>> subdev operations on the i.MX7 CSI-2 receiver subdev, which it does in
> >>> patch 1/8. Patch 2/8 further cleans up the format-related code in that
> >>> subdev.
> >>>
> >>> Patches 3/8 to 8/8 pushes the cleanups further as I was attempting to
> >>> fix the format enumeration on the video node at the end of the pipeline.
> >>> I realized as part of that effort that there's more work than I
> >>> anticipated, and I'm currently evaluating the possible options.
> >>> Nonetheless, I think the cleanups make sense even without what I wanted
> >>> to build on top of them, so I'm sending them out already.
> >>>
> >>> Laurent Pinchart (8):
> >>>     media: imx: imx7-mipi-csis: Cleanup and fix subdev pad format handling
> >>>     media: imx: imx7-mipi-csis: Centralize initialization of pad formats
> >>>     media: imx: utils: Inline init_mbus_colorimetry() in its caller
> >>>     media: imx: utils: Handle Bayer format lookup through a selection flag
> >>>     media: imx: utils: Simplify IPU format lookup and enumeration
> >>>     media: imx: utils: Make imx_media_pixfmt handle variable number of
> >>>       codes
> >>>     media: imx: utils: Remove unneeded argument to (find|enum)_format()
> >>>     media: imx: utils: Rename format lookup and enumeration functions
> >>>
> >>>    drivers/staging/media/imx/imx-ic-prp.c        |   8 +-
> >>>    drivers/staging/media/imx/imx-ic-prpencvf.c   |   6 +-
> >>>    drivers/staging/media/imx/imx-media-capture.c |  22 +-
> >>>    .../staging/media/imx/imx-media-csc-scaler.c  |   2 +-
> >>>    drivers/staging/media/imx/imx-media-csi.c     |  26 +-
> >>>    drivers/staging/media/imx/imx-media-utils.c   | 313 ++++++++----------
> >>>    drivers/staging/media/imx/imx-media-vdic.c    |   6 +-
> >>>    drivers/staging/media/imx/imx-media.h         |  24 +-
> >>>    drivers/staging/media/imx/imx7-media-csi.c    |  15 +-
> >>>    drivers/staging/media/imx/imx7-mipi-csis.c    | 138 ++++----
> >>>    10 files changed, 271 insertions(+), 289 deletions(-)

-- 
Regards,

Laurent Pinchart



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