[PATCH hwc v2 00/18] Add scene flattening support

John Stultz john.stultz at linaro.org
Thu Apr 12 23:18:54 UTC 2018


On Wed, Apr 11, 2018 at 8:22 AM, Alexandru Gheorghe
<alexandru-cosmin.gheorghe at arm.com> wrote:
> Flattening a scene in order to reduce memory consumption it's an idea
> which had been floating around on irc and mailing list several times,
> this patchset adds support for flattening a scene using a writeback
> connector, the latest version of the kernel patches could be found
> here [1].
>
> v1 for this patch series could be found here [2].
>
> Changes since v1:
>   - Add support to use either the same crtc or a dedicated one, this
>     had been discussed on irc here [3].
>   - Add support for parsing more than one drm node, this is triggered
>     by the fact the on Mali DP each device has it's own driver, so
>     it's needed in order to use a dedicate crtc for flattening.
>   - Parse encoder possible_clones to detect if writeback could
>     function simultaneously with the display connector.
>   - Fixes for some bugs discovered while working on this.
>   - Split changes in multiple patches.

Just for testing w/ other devices currently using drm_hwcomposer, do
you happen to have the patchset in a public git tree somewhere?

thanks
-john


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