RE: [v9 00/13] Add HDR Metadata Parsing and handling in DRM layer

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>-----Original Message-----
>From: dri-devel [mailto:dri-devel-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Jonas
>Karlman
>Sent: Monday, May 13, 2019 1:42 AM
>To: Shankar, Uma <uma.shankar@xxxxxxxxx>; intel-gfx@xxxxxxxxxxxxxxxxxxxxx; dri-
>devel@xxxxxxxxxxxxxxxxxxxxx
>Cc: dcastagna@xxxxxxxxxxxx; emil.l.velikov@xxxxxxxxx; seanpaul@xxxxxxxxxxxx;
>Syrjala, Ville <ville.syrjala@xxxxxxxxx>; Lankhorst, Maarten
><maarten.lankhorst@xxxxxxxxx>
>Subject: Re: [v9 00/13] Add HDR Metadata Parsing and handling in DRM layer
>
>On 2019-05-08 20:38, Uma Shankar wrote:
>> This patch series enables HDR support in drm. It basically defines HDR
>> metadata structures, property to pass content (after blending)
>> metadata from user space compositors to driver.
>>
>> Dynamic Range and Mastering infoframe creation and sending.
>>
>> ToDo:
>> 1. We need to get the color framework in place for all planes
>>    which support HDR content in hardware. This is already in progres
>>    and patches are out for review in mailing list.
>> 2. UserSpace/Compositors: Blending policies and metadata blob
>>    creation and passing to driver. Work is already in progress
>>    by Intel's middleware teams on wayland and the patches for
>>    the same are in review.
>>
>> A POC has already been developed by Ville based on wayland. Please
>> refer below link to see the component interactions and usage:
>> https://lists.freedesktop.org/archives/wayland-devel/2017-December/036
>> 403.html
>>
>> v2: Updated Ville's POC changes to the patch series.Incorporated
>> cleanups and fixes from Ville. Rebase on latest drm-tip.
>>
>> v3: Fixed a warning causing builds to break on CI. No major change.
>>
>> v4: Addressed Shashank's review comments.
>>
>> v5: Rebase on top of Ville's infoframe refactoring changes. Fixed non
>> modeset case for HDR metadata update. Dropped a redundant patch.
>>
>> v6: Addressed Shashank's review comments and added RB's received.
>>
>> v7: Squashed 2 patches, dropped 1 change and addressed Brian Starkey's
>> and Shashank's review comments.
>>
>> v8: Addressed Jonas Karlman review comments. Added Shashank's RB to
>> the series, fixed a WARN_ON on BYT/CHT.
>>
>> v9: Addressed Ville and Jonas Karlman's review comments. Added the
>> infoframe state readout and metadata reference count.
>>
>> Note: This is already tested with Kodi and a confirmation from team
>> kodi has been received. Branch details for the same as below:
>> https://github.com/xbmc/xbmc/tree/feature_drmprime-vaapi
>
>I have now re-tested this v9 series (non i915 parts) on Rockchip RK3328/RK3399 using
>Kodi HDR PR [1] and dw-hdmi patch [2].
>Kodi sets the HDR output metadata property with metadata retrieved from FFmpeg,
>my LG OLED B7 correctly activates/deactivates HDR/HLG mode depending on video
>file played.
>
>[1] https://github.com/xbmc/xbmc/pull/16103
>[2] https://github.com/Kwiboo/linux-
>rockchip/commit/a9ccea6d3d51001f6b4ab9a1fb600a38e517b9ce
>
>There is still a few minor nits, comment param name do not match function/field and
>ugly logging, please see [3] for fixups, please feel free to squash/fixup.

Sure, will fix these up.

>
>[3] https://github.com/Kwiboo/linux-
>rockchip/compare/a9ccea6d3d51001f6b4ab9a1fb600a38e517b9ce...rockchip-5.1-
>libreelec-hdr-v5.1
>
>For non-i915 drm patches:
>
>Tested-by: Jonas Karlman <jonas@xxxxxxxxx>

Thanks Jonas for trying this out and giving your acknowledgement. 

Regards,
Uma Shankar

>Regards,
>Jonas
>
>>
>> Jonas Karlman (1):
>>   drm: Add reference counting on HDR metadata blob
>>
>> Uma Shankar (10):
>>   drm: Add HDR source metadata property
>>   drm: Parse HDR metadata info from EDID
>>   drm: Enable HDR infoframe support
>>   drm/i915: Attach HDR metadata property to connector
>>   drm/i915: Write HDR infoframe and send to panel
>>   drm/i915:Enabled Modeset when HDR Infoframe changes
>>   drm/i915: Set Infoframe for non modeset case for HDR
>>   drm/i915: Added DRM Infoframe handling for BYT/CHT
>>   video/hdmi: Add Unpack function for DRM infoframe
>>   drm/i915: Add state readout for DRM infoframe
>>
>> Ville Syrjälä (2):
>>   drm: Add HLG EOTF
>>   drm/i915: Enable infoframes on GLK+ for HDR
>>
>>  drivers/gpu/drm/drm_atomic.c              |   2 +
>>  drivers/gpu/drm/drm_atomic_state_helper.c |   6 +
>>  drivers/gpu/drm/drm_atomic_uapi.c         |  13 ++
>>  drivers/gpu/drm/drm_connector.c           |   6 +
>>  drivers/gpu/drm/drm_edid.c                | 101 +++++++++++++
>>  drivers/gpu/drm/i915/i915_reg.h           |   4 +
>>  drivers/gpu/drm/i915/intel_atomic.c       |  14 +-
>>  drivers/gpu/drm/i915/intel_ddi.c          |  17 +++
>>  drivers/gpu/drm/i915/intel_display.c      |   1 +
>>  drivers/gpu/drm/i915/intel_drv.h          |   1 +
>>  drivers/gpu/drm/i915/intel_hdmi.c         | 100 ++++++++++++-
>>  drivers/video/hdmi.c                      | 240 ++++++++++++++++++++++++++++++
>>  include/drm/drm_connector.h               |  11 ++
>>  include/drm/drm_edid.h                    |   5 +
>>  include/drm/drm_mode_config.h             |   6 +
>>  include/linux/hdmi.h                      |  55 +++++++
>>  include/uapi/drm/drm_mode.h               |  23 +++
>>  17 files changed, 598 insertions(+), 7 deletions(-)
>>
>
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