From: Boris Brezillon <boris.brezillon@collabora.com>
To: Steven Price <steven.price@arm.com>
Cc: "Nicolas Boichat" <drinkcat@chromium.org>,
"Daniel Stone" <daniels@collabora.com>,
"Neil Armstrong" <neil.armstrong@linaro.org>,
"Liviu Dudau" <Liviu.Dudau@arm.com>,
dri-devel@lists.freedesktop.org,
"Clément Péron" <peron.clem@gmail.com>,
"Marty E . Plummer" <hanetzer@startmail.com>,
"Robin Murphy" <robin.murphy@arm.com>,
"Faith Ekstrand" <faith.ekstrand@collabora.com>
Subject: Re: [PATCH v2 10/15] drm/panthor: Add the heap logical block
Date: Tue, 29 Aug 2023 18:21:29 +0200 [thread overview]
Message-ID: <20230829182129.77cdc5c5@collabora.com> (raw)
In-Reply-To: <b2f47884-2f33-5374-8fdc-2d252c367534@arm.com>
On Fri, 18 Aug 2023 15:39:03 +0100
Steven Price <steven.price@arm.com> wrote:
> I'm not sure whether we should really be describing this structure in
> the kernel. Beyond the size the kernel has no reason to be looking at
> the internals and the spec does have a warning that the layout may change.
Yeah, I guess I just wanted to have that documented somewhere, so
people understand what this heap context is about. Was quite obscure to
me before that. Anyway, I can move that to some mesa doc, that's not a
big deal.
>
> Interestingly kbase also rounds this size up to ensure that it is at
> least a cache line. Which I guess might be required if the CPU and GPU
> are not coherent as we zero the context (from the CPU) before use.
Makes sense.
next prev parent reply other threads:[~2023-08-29 16:21 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-09 16:53 [PATCH v2 00/15] drm: Add a driver for FW-based Mali GPUs Boris Brezillon
2023-08-09 16:53 ` [PATCH v2 01/15] drm/shmem-helper: Make pages_use_count an atomic_t Boris Brezillon
2023-08-11 13:08 ` Steven Price
2023-08-19 2:13 ` Dmitry Osipenko
2023-08-28 9:03 ` Boris Brezillon
2023-08-09 16:53 ` [PATCH v2 02/15] drm/panthor: Add uAPI Boris Brezillon
2023-08-11 14:13 ` Steven Price
2023-09-01 13:59 ` Liviu Dudau
2023-09-01 16:10 ` Boris Brezillon
2023-09-04 7:42 ` Steven Price
2023-09-04 8:26 ` Boris Brezillon
2023-09-04 9:26 ` Boris Brezillon
2023-09-04 15:22 ` Steven Price
2023-09-04 16:16 ` Boris Brezillon
2023-09-04 16:25 ` Robin Murphy
2023-09-06 10:55 ` Steven Price
2023-09-04 16:06 ` Robin Murphy
2023-09-06 12:18 ` Ketil Johnsen
2023-08-09 16:53 ` [PATCH v2 03/15] drm/panthor: Add GPU register definitions Boris Brezillon
2023-08-11 14:13 ` Steven Price
2023-08-29 13:00 ` Boris Brezillon
2023-08-09 16:53 ` [PATCH v2 04/15] drm/panthor: Add the device logical block Boris Brezillon
2023-08-11 15:47 ` Steven Price
2023-08-29 14:00 ` Boris Brezillon
2023-08-30 13:17 ` Steven Price
2023-08-30 14:06 ` Boris Brezillon
2023-09-04 11:46 ` Liviu Dudau
2023-08-09 16:53 ` [PATCH v2 05/15] drm/panthor: Add the GPU " Boris Brezillon
2023-08-14 10:54 ` Steven Price
2023-08-21 16:09 ` Robin Murphy
2023-08-23 8:48 ` Steven Price
2023-08-29 14:42 ` Boris Brezillon
2023-08-29 14:40 ` Boris Brezillon
2023-08-09 16:53 ` [PATCH v2 06/15] drm/panthor: Add GEM " Boris Brezillon
2023-08-14 13:40 ` Steven Price
2023-08-29 14:45 ` Boris Brezillon
2023-08-09 16:53 ` [PATCH v2 07/15] drm/panthor: Add the devfreq " Boris Brezillon
2023-08-14 13:45 ` Steven Price
2023-08-09 16:53 ` [PATCH v2 08/15] drm/panthor: Add the MMU/VM " Boris Brezillon
2023-08-14 15:53 ` Steven Price
2023-08-29 15:33 ` Boris Brezillon
2023-08-30 14:12 ` Steven Price
2023-08-30 14:53 ` Boris Brezillon
2023-08-30 15:55 ` Steven Price
2023-08-09 16:53 ` [PATCH v2 09/15] drm/panthor: Add the FW " Boris Brezillon
2023-08-16 16:01 ` Steven Price
2023-08-29 16:15 ` Boris Brezillon
2023-08-30 15:20 ` Steven Price
2023-08-09 16:53 ` [PATCH v2 10/15] drm/panthor: Add the heap " Boris Brezillon
2023-08-18 14:39 ` Steven Price
2023-08-29 16:21 ` Boris Brezillon [this message]
2023-08-09 16:53 ` [PATCH v2 11/15] drm/panthor: Add the scheduler " Boris Brezillon
2023-08-18 15:38 ` Steven Price
2023-08-29 16:36 ` Boris Brezillon
2023-08-09 16:53 ` [PATCH v2 12/15] drm/panthor: Add the driver frontend block Boris Brezillon
2023-08-21 11:31 ` Steven Price
2023-08-29 17:46 ` Boris Brezillon
2023-08-31 14:42 ` Steven Price
2023-09-06 12:38 ` Ketil Johnsen
2023-09-06 13:05 ` Boris Brezillon
2023-08-09 16:53 ` [PATCH v2 13/15] drm/panthor: Allow driver compilation Boris Brezillon
2023-08-11 16:35 ` Robin Murphy
2023-08-11 16:56 ` Daniel Stone
2023-08-11 19:26 ` Robin Murphy
2023-08-14 11:18 ` Steven Price
2023-08-21 17:56 ` Robin Murphy
2023-08-23 9:17 ` Steven Price
2023-08-29 12:51 ` Boris Brezillon
2023-08-21 12:47 ` Steven Price
2023-08-09 16:53 ` [PATCH v2 14/15] dt-bindings: gpu: mali-valhall-csf: Add initial bindings for panthor driver Boris Brezillon
2023-08-09 16:53 ` Boris Brezillon
2023-08-20 8:01 ` Krzysztof Kozlowski
2023-08-20 8:01 ` Krzysztof Kozlowski
2023-09-20 13:41 ` Liviu Dudau
2023-09-20 13:41 ` Liviu Dudau
2023-09-20 13:51 ` Krzysztof Kozlowski
2023-09-20 13:51 ` Krzysztof Kozlowski
2023-09-20 14:25 ` Liviu Dudau
2023-09-20 14:25 ` Liviu Dudau
2023-09-20 15:31 ` Krzysztof Kozlowski
2023-09-20 15:31 ` Krzysztof Kozlowski
2023-09-20 13:56 ` Boris Brezillon
2023-09-20 13:56 ` Boris Brezillon
2023-09-20 14:03 ` Liviu Dudau
2023-08-09 16:53 ` [PATCH v2 15/15] drm/panthor: Add an entry to MAINTAINERS Boris Brezillon
2023-08-11 16:08 ` Steven Price
2023-08-29 17:48 ` Boris Brezillon
2023-08-31 13:18 ` Liviu Dudau
2023-08-31 13:25 ` Boris Brezillon
2023-08-09 20:22 ` [PATCH v2 00/15] drm: Add a driver for FW-based Mali GPUs Rob Herring
2023-08-10 15:44 ` Boris Brezillon
2023-08-21 14:01 ` Rob Herring
2023-09-27 15:47 ` Steven Price
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