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SubjectRe: [PATCH 0/2] Add "BACKGROUND_COLOR" drm property
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On 7/9/21 11:23 AM, Simon Ser wrote:
> On Friday, July 9th, 2021 at 11:09, Raphael Gallais-Pou <raphael.gallais-pou@foss.st.com> wrote:
>
>> We don't usually test with piglit and igt-gpu-tools. Instead, modetest
>> utility of the libdrm is used quite often (as is it the case in order to
>> test this property).
> Just to make it extra clear: regardless of how you bring up your driver
> implementation, without an IGT test and real-world open-source user-space
> patches that make use of the new prop, your patches *cannot* be merged.
>
> If you're planning to add support for the new prop to an open-source KMS
> client, please add a link to the patches in your kernel submission. If
> you don't have plans to use the new prop in an open-source KMS client,
> let us know and we can discuss what the best candidate would be.

Hi,

Thanks for your feedback :)


We do not have any KMS client currently using this property apart from proprietary solutions made by consumers.

This property was originally made to display a logo picture when the screen is in idle (low power/low DDR usage).


Regards,

Raphaël


>> I was also thinking about implementing an option into modetest to ease
>> the use of this drm property (support of hexadecimal values for properties).
> (For the record, modeset doesn't count as a real-world user-space usage: it's
> just a toy implementation, just a test tool.)
>
> Simon

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