linux-kernel - Re: [PATCH v4] drm: add modifiers for Apple GPU layouts

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Message-Id: <174196019716.15076.15894537454426268004.b4-ty@rosenzweig.io>
Date: Fri, 14 Mar 2025 09:49:57 -0400
From: Alyssa Rosenzweig <alyssa@...enzweig.io>
To: David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 Alyssa Rosenzweig <alyssa@...enzweig.io>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 asahi@...ts.linux.dev, Faith Ekstrand <faith.ekstrand@...labora.com>, 
 Sven Peter <sven@...npeter.dev>
Subject: Re: [PATCH v4] drm: add modifiers for Apple GPU layouts


On Mon, 10 Mar 2025 15:28:02 -0400, Alyssa Rosenzweig wrote:
> Apple GPUs support non-linear "GPU-tiled" image layouts. Add modifiers
> for these layouts. Mesa requires these modifiers to share non-linear
> buffers across processes, but no other userspace or kernel support is
> required/expected.
> 
> These layouts are notably not used for interchange across hardware
> blocks (e.g. with the display controller). There are other layouts for
> that but we don't support them either in userspace or kernelspace yet
> (even downstream), so we don't add modifiers here.
> 
> [...]

Applied, thanks!

[1/1] drm: add modifiers for Apple GPU layouts
      commit: c8619f5402cbcccfe58151b53421029852473e4c

Best regards,
-- 
Alyssa Rosenzweig <alyssa@...enzweig.io>