[v3,0/6] drm: rcar-du: V3U Support

Message

Kieran Bingham Sept. 22, 2021, 11:47 p.m. UTC

Extend support for the V3U Display Unit.

The V3U DU support can be tested on a Falcon-V3U making use of the DSI
encoder from Laurent.

Patch 1 updates the bindings for the DU to cover the V3U platform.

Patch 2 just cleans up in preparation for patch 6, and patch 3 is
required for operation on the V3U, however it is functional and should
be correct for the D3 and E3 as well, as they also lack external sync.

Patch 4 is a further clean up to fix the naming of fields identified as
incorrect while developing.

Patch 5 splits the RCAR_DU_FEATURE_CRTC_IRQ_CLOCK feature flag into two
separate components, allowing the V3U to select RCAR_DU_FEATURE_CRTC_IRQ
without RCAR_DU_FEATURE_CRTC_CLOCK.

And finally, Patch 6 enables the V3U and connects it to the MIPI DSI
encoder.

Tests have been run and produce images - but there are artifacts visible
and some modes are unavailable, which will need further investigations,
but can be done on top of this integration.


Kieran Bingham (6):
  dt-bindings: display: renesas,du: Provide bindings for r8a779a0
  drm: rcar-du: Sort the DU outputs
  drm: rcar-du: Only initialise TVM_TVSYNC mode when supported
  drm: rcar-du: Fix DIDSR field name
  drm: rcar-du: Split CRTC IRQ and Clock features
  drm: rcar-du: Add r8a779a0 device support

 .../bindings/display/renesas,du.yaml          | 50 ++++++++++++++
 drivers/gpu/drm/rcar-du/rcar_du_crtc.c        |  9 ++-
 drivers/gpu/drm/rcar-du/rcar_du_crtc.h        |  6 +-
 drivers/gpu/drm/rcar-du/rcar_du_drv.c         | 68 ++++++++++++++-----
 drivers/gpu/drm/rcar-du/rcar_du_drv.h         | 11 +--
 drivers/gpu/drm/rcar-du/rcar_du_group.c       |  6 +-
 drivers/gpu/drm/rcar-du/rcar_du_regs.h        |  9 +--
 7 files changed, 128 insertions(+), 31 deletions(-)