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Date:   Wed, 20 Dec 2017 23:28:50 +0300
From:   Dmitry Osipenko <>
To:     Thierry Reding <>
Subject: Re: [PATCH v3 3/5] drm/tegra: Trade overlay plane for cursor on older

On 20.12.2017 23:19, Thierry Reding wrote:
> On Wed, Dec 20, 2017 at 06:46:12PM +0300, Dmitry Osipenko wrote:
>> Older Tegra's do not support RGBA format for the cursor, but instead
>> overlay plane could be used for it. Since there is no much use for the
>> overlays on a regular desktop and HW-accelerated cursor is much nicer
>> than the jerky SW cursor, let's trade one overlay plane for the cursor.
>> Signed-off-by: Dmitry Osipenko <>
>> ---
>>  drivers/gpu/drm/tegra/dc.c | 75 +++++++++++++++++++++++++++++++++++-----------
>>  drivers/gpu/drm/tegra/dc.h |  2 ++
>>  2 files changed, 59 insertions(+), 18 deletions(-)
> Given the dependency on the alpha formats patch and due to lack of time
> because of the holidays messing up the schedule I'd like to defer this
> to v4.17, unless we can settle all of it until Friday.

I'll rebase and re-test this patch on top of your "Implement legacy blending"
patch ASAP. I'm fine with the deferring if it won't workout well.

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