linux-kernel - Re: [PATCH v7] rockchip/drm: vop2: add support for gamma LUT

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Message-ID: <9Rp0NJW2QG5qDduowVaialZWN6xTe9KJFciu7Q2LERJZQXsUgFvMGXfcFaNznIEJEBpZeOdZPuL4fxOEFduaSJLuQJ3cIvN-fx2lEzYSBKE=@proton.me>
Date: Wed, 04 Dec 2024 15:45:21 +0000
From: Piotr Zalewski <pZ010001011111@...ton.me>
To: hjc@...k-chips.com, heiko@...ech.de, andy.yan@...k-chips.com, maarten.lankhorst@...ux.intel.com, mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com, simona@...ll.ch, dri-devel@...ts.freedesktop.org, linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc: skhan@...uxfoundation.org, Piotr Zalewski <pZ010001011111@...ton.me>, Daniel Stone <daniel@...ishbar.org>, Dragan Simic <dsimic@...jaro.org>, Diederik de Haas <didi.debian@...ow.org>
Subject: Re: [PATCH v7] rockchip/drm: vop2: add support for gamma LUT

Hi all,

I just noticed that after coming out of suspend gamma LUT is lost and must
be rewritten by userspace.

So I guess it will be needed to save LUT to a buffer and rewrite it after
going out of suspend during modeset?

I checked the patch isn't yet in the "official" linux-next.

Regards, Piotr Zalewski