[Letux-kernel] [PATCH 0/5] drm/omap: hdmi: improve hdmi4 CEC, add CEC for hdmi5

H. Nikolaus Schaller hns at goldelico.com
Mon Feb 15 12:11:11 CET 2021


Hi,

> Am 11.02.2021 um 11:36 schrieb Hans Verkuil <hverkuil-cisco at xs4all.nl>:
> 
> This series improves the drm_bridge support for CEC by introducing two
> new bridge ops in the first patch, and using those in the second patch.
> 
> This makes it possible to call cec_s_conn_info() and set
> CEC_CAP_CONNECTOR_INFO for the CEC adapter, so userspace can associate
> the CEC adapter with the corresponding DRM connector.
> 
> The third patch simplifies CEC physical address handling by using the
> cec_s_phys_addr_from_edid helper function that didn't exist when this
> code was originally written.
> 
> The fourth patch adds CEC support to the OMAP5 driver and the last
> patch adds the missing cec clock to the dra7 and omap5 device tree.
> 
> Tested with a Pandaboard and a Beagle X15 board.

Tested to have no adverse effect on Pyra (omap5432).
But I have not tested if CEC itself is working.

> 
> Regards,
> 
> 	Hans
> 
> Hans Verkuil (5):
>  drm: drm_bridge: add cec_init/exit bridge ops
>  drm/omap: hdmi4: switch to the cec bridge ops
>  drm/omap: hdmi4: simplify CEC Phys Addr handling
>  drm/omap: hdmi5: add CEC support
>  ARM: dts: dra7/omap5: add cec clock
> 
> arch/arm/boot/dts/dra7.dtsi              |   5 +-
> arch/arm/boot/dts/omap5.dtsi             |   5 +-
> drivers/gpu/drm/drm_bridge_connector.c   |  23 +++
> drivers/gpu/drm/omapdrm/dss/Kconfig      |   8 +
> drivers/gpu/drm/omapdrm/dss/Makefile     |   1 +

Merging with patch series by Tomi Valkeinen and Sebastian Reichel
for omapdrm/dsi will need to move the Kconfig and Makefile one level
up.

> drivers/gpu/drm/omapdrm/dss/hdmi.h       |   1 +
> drivers/gpu/drm/omapdrm/dss/hdmi4.c      |  41 ++---
> drivers/gpu/drm/omapdrm/dss/hdmi4_cec.c  |  12 +-
> drivers/gpu/drm/omapdrm/dss/hdmi4_cec.h  |  12 +-
> drivers/gpu/drm/omapdrm/dss/hdmi5.c      |  63 +++++--
> drivers/gpu/drm/omapdrm/dss/hdmi5_cec.c  | 201 +++++++++++++++++++++++
> drivers/gpu/drm/omapdrm/dss/hdmi5_cec.h  |  42 +++++
> drivers/gpu/drm/omapdrm/dss/hdmi5_core.c |  28 +++-
> drivers/gpu/drm/omapdrm/dss/hdmi5_core.h |  33 +++-
> include/drm/drm_bridge.h                 |  31 ++++
> 15 files changed, 453 insertions(+), 53 deletions(-)
> create mode 100644 drivers/gpu/drm/omapdrm/dss/hdmi5_cec.c
> create mode 100644 drivers/gpu/drm/omapdrm/dss/hdmi5_cec.h
> 
> -- 
> 2.30.0
> 

BR and thanks,
Nikolaus Schaller



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