Re: [RFC PATCH 03/40] drm/amd/display: introduce Steam Deck color features to AMD display driver

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On 5/9/23 12:52, Joshua Ashton wrote:
> I think the idea is that we wouldn't have a config option so it
> doesn't inherently become linux kernel uAPI?
> 
> Then we can just build our SteamOS kernels with that definiton set.
> 

That's the idea. Would that work for you?

Harry

> On Tue, 9 May 2023 at 16:26, Melissa Wen <mwen@xxxxxxxxxx> wrote:
>>
>> On 05/08, Harry Wentland wrote:
>>> On 4/23/23 10:10, Melissa Wen wrote:
>>>> We are enabling a large set of color calibration features to enhance KMS
>>>> color mgmt but these properties are specific of AMD display HW, and
>>>> cannot be provided by other vendors. Therefore, set a config option to
>>>> enable AMD driver-private properties used on Steam Deck color mgmt
>>>> pipeline.
>>>>
>>>> Co-developed-by: Joshua Ashton <joshua@xxxxxxxxx>
>>>> Signed-off-by: Joshua Ashton <joshua@xxxxxxxxx>
>>>> Signed-off-by: Melissa Wen <mwen@xxxxxxxxxx>
>>>> ---
>>>>  drivers/gpu/drm/amd/display/Kconfig | 6 ++++++
>>>>  1 file changed, 6 insertions(+)
>>>>
>>>> diff --git a/drivers/gpu/drm/amd/display/Kconfig b/drivers/gpu/drm/amd/display/Kconfig
>>>> index 06b438217c61..c45a8deb1098 100644
>>>> --- a/drivers/gpu/drm/amd/display/Kconfig
>>>> +++ b/drivers/gpu/drm/amd/display/Kconfig
>>>> @@ -53,5 +53,11 @@ config DRM_AMD_SECURE_DISPLAY
>>>>              of crc of specific region via debugfs.
>>>>              Cooperate with specific DMCU FW.
>>>>
>>>> +config STEAM_DECK
>>>> +   bool "Enable color calibration features for Steam Deck"
>>>> +   depends on DRM_AMD_DC
>>>> +   help
>>>> +     Choose this option if you want to use AMDGPU features for broader
>>>> +     color management support on Steam Deck.
>>>>
>>>
>>> If we can drop this (i.e. don't offer a CONFIG_ option to allow enablement of
>>> the uAPI, but build with -DCONFIG_STEAM_DECK) it would go a long way to keep
>>> us from requiring to support this forever.
>>
>> I see, I'll follow this path. Still on that, I've changed
>> CONFIG_STEAM_DECK (too generic) to CONFIG_DRM_AMD_COLOR_STEAMDECK.
>> Does it sound better?
>>
>> Thanks,
>>
>> Melissa
>>
>>>
>>> Harry
>>>
>>>>  endmenu
>>>
>>>




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