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From: Daniel Stone <daniel@fooishbar.org>
To: "Christian König" <ckoenig.leichtzumerken@gmail.com>
Cc: "moderated list:DMA BUFFER SHARING FRAMEWORK"
	<linaro-mm-sig@lists.linaro.org>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	Jason Ekstrand <jason@jlekstrand.net>
Subject: Re: [RFC] Add DMA_RESV_USAGE flags
Date: Tue, 18 May 2021 14:26:15 +0100	[thread overview]
Message-ID: <CAPj87rN-1ST_wvnobEaeNNiOYdM9yAOvfZ+8_tcxbrFof3L-yA@mail.gmail.com> (raw)
In-Reply-To: <fee06c2d-27fb-1af4-6222-8f277b36c951@gmail.com>

On Tue, 18 May 2021 at 13:49, Christian König
<ckoenig.leichtzumerken@gmail.com> wrote:
> Am 18.05.21 um 07:59 schrieb Daniel Vetter:
> > First step in fixing that is (and frankly was since years) to fix the
> > amdgpu CS so winsys can pass along a bunch of flags about which CS
> > should actually set the exclusive fence, so that you stop oversyncing
> > so badly. Ofc old userspace needs to keep oversyncing forever, no way
> > to fix that.
>
> Exactly that is what we don't want to do because the winsys has no idea
> when to sync and when not to sync.

Hey, we're typing that out as fast as we can ... it's just that you
keep reinventing sync primitives faster than we can ship support for
them :P

  reply	other threads:[~2021-05-18 13:26 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-17 14:11 [RFC] Add DMA_RESV_USAGE flags Christian König
2021-05-17 14:11 ` [PATCH 01/11] dma-buf: fix invalid debug print Christian König
2021-05-17 14:11 ` [PATCH 02/11] dma-buf: add SPDX header and fix style in dma-resv.c Christian König
2021-05-17 14:11 ` [PATCH 03/11] dma-buf: cleanup dma-resv shared fence debugging a bit Christian König
2021-05-17 14:11 ` [PATCH 04/11] dma-buf: rename and cleanup dma_resv_get_excl Christian König
2021-05-17 14:11 ` [PATCH 05/11] dma-buf: rename and cleanup dma_resv_get_list Christian König
2021-05-17 14:11 ` [PATCH 06/11] dma-buf: add dma_resv_list_fence helper Christian König
2021-05-17 14:11 ` [PATCH 07/11] dma-buf: add dma_resv_replace_shared Christian König
2021-05-17 14:11 ` [PATCH 08/11] dma-buf: improve shared fence abstraction Christian König
2021-05-17 14:11 ` [PATCH 09/11] dma-buf: add shared fence usage flags Christian König
2021-05-17 20:36   ` Daniel Vetter
2021-05-18 12:54     ` Christian König
2021-05-17 14:11 ` [PATCH 10/11] drm/i915: also wait for shared dmabuf fences before flip Christian König
2021-05-17 14:11 ` [PATCH 11/11] drm/amdgpu: fix shared access to exported DMA-bufs Christian König
2021-05-17 15:04 ` [RFC] Add DMA_RESV_USAGE flags Daniel Vetter
2021-05-17 19:38   ` Christian König
2021-05-17 20:15     ` Jason Ekstrand
2021-05-17 20:15     ` Daniel Vetter
2021-05-17 22:49       ` Jason Ekstrand
2021-05-18  5:59         ` Daniel Vetter
2021-05-18 10:29           ` Daniel Vetter
2021-05-18 12:49           ` Christian König
2021-05-18 13:26             ` Daniel Stone [this message]
2021-05-18 13:51               ` Christian König
2021-05-18 16:48             ` Daniel Vetter
2021-05-18 17:40               ` Christian König
2021-05-18 21:17                 ` Daniel Vetter
2021-05-18 22:06                   ` Jason Ekstrand
2021-05-19 10:52                     ` Michel Dänzer
2021-05-19 15:21                       ` Jason Ekstrand
2021-05-19 15:48                         ` Michel Dänzer
2021-05-20  7:55                           ` Daniel Vetter
2021-05-20  8:13                             ` Michel Dänzer
2021-05-20 10:00                               ` Christian König
2021-05-20 14:18                               ` Daniel Vetter
2021-05-20 14:30                                 ` Michel Dänzer
2021-05-20 17:08                                 ` Jason Ekstrand
2021-05-31 12:49                                 ` Michel Dänzer
2021-05-20 10:50                             ` Christian König
2021-05-20 17:23                               ` Jason Ekstrand
2021-05-20 19:04                                 ` Jason Ekstrand
2021-05-20 19:14                                   ` Daniel Vetter
2021-05-21  7:27                                     ` Christian König
2021-05-21  9:36                                     ` Bas Nieuwenhuizen
2021-05-21  7:24                                 ` Christian König
2021-05-19 11:43                     ` Christian König
2021-05-19 15:35                       ` Jason Ekstrand
2021-05-19 11:24                   ` Christian König
2021-05-20  7:58                     ` Daniel Vetter
2021-05-18 21:31                 ` Dave Airlie

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