[PATCH 0/5] drm/stm: new features to display controller

Yannick Fertre yannick.fertre at foss.st.com
Wed Dec 15 21:46:51 UTC 2021


Hello,
List of new feature:
* Replace the legacy register access by regmap API.
* Support of YCbCr 422 output
* Update layer shadow registers per plane.
* Support of YCbCr output (planar, semiplanar & coplanar)

These featues are available only with last hardware version of ltdc
(0x401000) link to patch"drm/stm: ltdc: support of new hardware version"
(https://patchwork.freedesktop.org/patch/465207).

Yannick Fertre (5):
  drm/stm: ltdc: switch to regmap
  drm/stm: ltdc: add YCbCr 422 output support
  drm/stm: ltdc: add per plane update support
  drm/stm: ltdc: add support of flexible pixel formats
  drm/stm: ltdc: add support of ycbcr pixel formats

 drivers/gpu/drm/stm/ltdc.c | 639 +++++++++++++++++++++++++++++--------
 drivers/gpu/drm/stm/ltdc.h |   9 +-
 2 files changed, 518 insertions(+), 130 deletions(-)

-- 
2.17.1



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