[v4,0/4] media: imx: Add support for BT.709 encoding

Message

Steve Longerbeam Feb. 9, 2019, 1:47 a.m. UTC

This patchset adds support for the BT.709 encoding and inverse encoding
matrices to the ipu_ic task init functions. The imx-media driver can
now support both BT.601 and BT.709 encoding.

History:
v4:
- fix a compile error in init_csc(), reported by Tim Harvey.
v3:
- fix some inconsistent From: and Signed-off-by:'s.
  No functional changes.
v2:
- rename ic_csc_rgb2rgb matrix to ic_csc_identity.
- only return "Unsupported YCbCr encoding" error if inf != outf,
  since if inf == outf, the identity matrix can be used. Reported
  by Tim Harvey.
- move ic_route check above default colorimetry checks, and fill default
  colorspace for ic_route, otherwise it's not possible to set BT.709
  encoding for ic routes.

Steve Longerbeam (4):
  gpu: ipu-v3: ipu-ic: Rename yuv2rgb encoding matrices
  gpu: ipu-v3: ipu-ic: Simplify selection of encoding matrix
  gpu: ipu-v3: ipu-ic: Add support for BT.709 encoding
  media: imx: Allow BT.709 encoding for IC routes

 drivers/gpu/ipu-v3/ipu-ic.c                 | 96 +++++++++++++++++----
 drivers/gpu/ipu-v3/ipu-image-convert.c      |  1 +
 drivers/staging/media/imx/imx-ic-prpencvf.c |  4 +-
 drivers/staging/media/imx/imx-media-utils.c | 20 +++--
 include/video/imx-ipu-v3.h                  |  5 +-
 5 files changed, 98 insertions(+), 28 deletions(-)