[PATCH v2 0/3] drm/simpledrm: Apple M1 / DT platform support fixes

[Hector Martin]

Hi DRM folks,

This short series makes simpledrm work on Apple M1 (including Pro/Max)
platforms the way simplefb already does, by adding XRGB2101010 support
and making it bind to framebuffers in /chosen the same way simplefb
does.

This avoids breaking the bootloader-provided framebuffer console when
simpledrm is selected to replace simplefb, as these FBs always seem to
be 10-bit (at least when a real screen is attached).

Changes since v1:
- Moved the OF platform device setup code from simplefb into common
  code, instead of duplicating it in simpledrm
- Rebased on drm-tip

Hector Martin (3):
  of: Move simple-framebuffer device handling from simplefb to of
  drm/format-helper: Add drm_fb_xrgb8888_to_xrgb2101010_toio()
  drm/simpledrm: Add XRGB2101010 format

 drivers/gpu/drm/drm_format_helper.c | 62 +++++++++++++++++++++++++++++
 drivers/gpu/drm/tiny/simpledrm.c    |  2 +-
 drivers/of/platform.c               |  5 +++
 drivers/video/fbdev/simplefb.c      | 21 +---------
 include/drm/drm_format_helper.h     |  3 ++
 5 files changed, 72 insertions(+), 21 deletions(-)

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2.33.0