Re: [PATCH v5 00/32] drm/amd/display: add AMD driver-specific properties for color mgmt

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On 2023-11-30 06:34, Daniel Vetter wrote:
> On Tue, 28 Nov 2023 at 23:11, Harry Wentland <harry.wentland@xxxxxxx> wrote:
>>
>> On 2023-11-16 14:57, Melissa Wen wrote:
>>> Hello,
>>>
>>> This series extends the current KMS color management API with AMD
>>> driver-specific properties to enhance the color management support on
>>> AMD Steam Deck. The key additions to the color pipeline include:
>>>
>>
>> snip
>>
>>> Melissa Wen (18):
>>>   drm/drm_mode_object: increase max objects to accommodate new color
>>>     props
>>>   drm/drm_property: make replace_property_blob_from_id a DRM helper
>>>   drm/drm_plane: track color mgmt changes per plane
>>
>> If all patches are merged through amd-staging-drm-next I worry that
>> conflicts creep in if any code around replace_property_blob_from_id
>> changes in DRM.
>>
>> My plan is to merge DRM patches through drm-misc-next, as well
>> as include them in the amd-staging-drm-next merge. They should then
>> fall out at the next amd-staging-drm-next pull and (hopefully)
>> ensure that there is no conflict.
>>
>> If no objections I'll go ahead with that later this week.
> 
> Double-merging tends to be the worst because git doesn't realize the
> commits match, which actually makes the conflicts worse when they
> happen (because the 3-way merge diff gets absolute confused by all the
> changed context and misplaces everything to the max). So please don't,
> _only_ every cherry-pick when a patch in -next is also needed in
> -fixes, and we didn't put it into the right tree. But even that is a
> bit tricky and should only be done by maintainers (using dim
> cherry-pick if it's drm-misc) because the conflicts tend to be bad and
> need to be sorted out with backmerges sooner than later.
> 
> For this case merge everything through one tree with the right acks,
> pull to drm-next asap and then backmerge into the other tree. Here
> probably amdgpu-next with drm-misc maintainer acks for the 3 core
> patches. Or if amdgpu-next pull won't come for a while, put them into
> drm-misc-next and just wait a week until it's in drm-next, then
> forward amdgpu-next.
> 

Maxime, Maarten, Thomas, could I get an ACK from you for the three
DRM core patches and an ACK for pulling them through the AMD tree?

Thanks,
Harry

> Cheers, Sima
> 
>> Harry
>>
>>>   drm/amd/display: add driver-specific property for plane degamma LUT
>>>   drm/amd/display: explicitly define EOTF and inverse EOTF
>>>   drm/amd/display: document AMDGPU pre-defined transfer functions
>>>   drm/amd/display: add plane 3D LUT driver-specific properties
>>>   drm/amd/display: add plane shaper LUT and TF driver-specific
>>>     properties
>>>   drm/amd/display: add CRTC gamma TF driver-specific property
>>>   drm/amd/display: add comments to describe DM crtc color mgmt behavior
>>>   drm/amd/display: encapsulate atomic regamma operation
>>>   drm/amd/display: decouple steps for mapping CRTC degamma to DC plane
>>>   drm/amd/display: reject atomic commit if setting both plane and CRTC
>>>     degamma
>>>   drm/amd/display: add plane shaper LUT support
>>>   drm/amd/display: add plane shaper TF support
>>>   drm/amd/display: add plane 3D LUT support
>>>   drm/amd/display: add plane CTM driver-specific property
>>>   drm/amd/display: add plane CTM support
>>>
>>>  drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h      |  91 ++
>>>  .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c |  34 +-
>>>  .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 108 +++
>>>  .../amd/display/amdgpu_dm/amdgpu_dm_color.c   | 818 ++++++++++++++++--
>>>  .../amd/display/amdgpu_dm/amdgpu_dm_crtc.c    |  72 ++
>>>  .../amd/display/amdgpu_dm/amdgpu_dm_plane.c   | 232 ++++-
>>>  .../gpu/drm/amd/display/include/fixed31_32.h  |  12 +
>>>  drivers/gpu/drm/arm/malidp_crtc.c             |   2 +-
>>>  drivers/gpu/drm/drm_atomic.c                  |   1 +
>>>  drivers/gpu/drm/drm_atomic_state_helper.c     |   1 +
>>>  drivers/gpu/drm/drm_atomic_uapi.c             |  43 +-
>>>  drivers/gpu/drm/drm_property.c                |  49 ++
>>>  include/drm/drm_mode_object.h                 |   2 +-
>>>  include/drm/drm_plane.h                       |   7 +
>>>  include/drm/drm_property.h                    |   6 +
>>>  include/uapi/drm/drm_mode.h                   |   8 +
>>>  16 files changed, 1377 insertions(+), 109 deletions(-)
>>>
>>
> 
> 




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