From: Philipp Zabel <p.zabel@pengutronix.de>
To: Lucas Stach <l.stach@pengutronix.de>, etnaviv@lists.freedesktop.org
Cc: Russell King <linux+etnaviv@armlinux.org.uk>,
dri-devel@lists.freedesktop.org, kernel@pengutronix.de,
patchwork-lst@pengutronix.de
Subject: Re: [PATCH v3 4/8] drm/etnaviv: replace MMU flush marker with flush sequence
Date: Fri, 09 Aug 2019 14:16:34 +0200 [thread overview]
Message-ID: <1565352994.4864.4.camel@pengutronix.de> (raw)
In-Reply-To: <20190809120424.32679-4-l.stach@pengutronix.de>
On Fri, 2019-08-09 at 14:04 +0200, Lucas Stach wrote:
> If a MMU is shared between multiple GPUs, all of them need to flush their
> TLBs, so a single marker that gets reset on the first flush won't do.
> Replace the flush marker with a sequence number, so that it's possible to
> check if the TLB is in sync with the current page table state for each GPU.
>
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
regards
Philipp
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next prev parent reply other threads:[~2019-08-09 12:16 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-09 12:04 [PATCH v3 1/8] drm/etnaviv: simplify unbind checks Lucas Stach
2019-08-09 12:04 ` [PATCH v3 2/8] drm/etnaviv: split out cmdbuf mapping into address space Lucas Stach
2019-08-09 12:04 ` [PATCH v3 3/8] drm/etnaviv: share a single cmdbuf suballoc region across all GPUs Lucas Stach
2019-08-13 14:01 ` Guido Günther
2019-08-09 12:04 ` [PATCH v3 4/8] drm/etnaviv: replace MMU flush marker with flush sequence Lucas Stach
2019-08-09 12:16 ` Philipp Zabel [this message]
2019-08-13 18:20 ` Guido Günther
2019-08-09 12:04 ` [PATCH v3 5/8] drm/etnaviv: rework MMU handling Lucas Stach
2019-08-13 15:27 ` Guido Günther
2019-08-09 12:04 ` [PATCH v3 6/8] drm/etnaviv: split out starting of FE idle loop Lucas Stach
2019-08-13 14:21 ` Guido Günther
2019-08-09 12:04 ` [PATCH v3 7/8] drm/etnaviv: provide MMU context to etnaviv_gem_mapping_get Lucas Stach
2019-08-14 9:59 ` Guido Günther
2019-08-15 9:06 ` Lucas Stach
2019-08-09 12:04 ` [PATCH v3 8/8] drm/etnaviv: implement per-process address spaces on MMUv2 Lucas Stach
2019-08-09 12:25 ` Philipp Zabel
2019-08-09 13:45 ` Lucas Stach
2019-08-14 10:00 ` Guido Günther
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