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@pelwell pelwell commented Apr 2, 2020

With a suitable firmware, an overlay map file can:

  • allow a single overlay name to be mapped to platform-specific implementations,
  • reject overlay names on some platforms,
  • rename overlays, and
  • mark overlays as deprecated,

all with helpful error messages.

These commits add a base map file (suitable for 4.19 if necessary), tidy up some old overlays, and add a remapping for vc4-kms-v3d on Pi 4.

Phil Elwell added 3 commits April 3, 2020 15:44
The overlay map permits platform-specific overlays, with deprecation
and renaming.

See: raspberrypi#3520

Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Take advantage of the overlay_map to rename or deprecate some obsolete
overlays.

Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Because the upstream overlay applies vc4-kms-v3d, of which Pi 4 has its
own version, there also needs to be a Pi 4 version - vc4-kms-v3d-pi4.

Signed-off-by: Phil Elwell <phil@raspberrypi.org>
@popcornmix
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Looks good to me.

@pelwell
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pelwell commented Apr 6, 2020

Thanks. It will need the firmware side pushing to be generally useful, but it's harmless until then,

@pelwell pelwell merged commit baaabf6 into raspberrypi:rpi-5.4.y Apr 6, 2020
@pelwell pelwell deleted the overlaymap branch April 6, 2020 12:13
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3 participants