From: "Wladimir J. van der Laan" <laanwj@gmail.com>
To: Lucas Stach <l.stach@pengutronix.de>
Cc: etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Subject: Re: etnaviv: mmu issue after end of address space reached?
Date: Mon, 12 Dec 2016 10:57:52 +0100 [thread overview]
Message-ID: <20161212095752.GA27714@amethyst.visucore.com> (raw)
In-Reply-To: <1481534702.2313.4.camel@pengutronix.de>
> The current etnaviv code gets around this stop->irq->start dance by
> spacing out the command streams, which seems to be enough to get around
> the FE MMU flush failure. This may not work correctly at the end of the
> address range. I'll take a look at this.
In my case it seems not a command buffer that this is happening for, but another
bo used by the command buffer.
> Blindly implementing the Vivante way does not seem like the correct
> approach to me.
I'm not suggesting that that is a good solution! Just needed to do that to
narrow down the issue, as well as get rid of it for now.
Regards,
Wladimir
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prev parent reply other threads:[~2016-12-12 9:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-10 11:00 etnaviv: mmu issue after end of address space reached? Wladimir J. van der Laan
2016-12-10 11:47 ` Wladimir J. van der Laan
2016-12-10 17:05 ` Wladimir J. van der Laan
2016-12-12 9:25 ` Lucas Stach
2016-12-12 9:57 ` Wladimir J. van der Laan [this message]
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