linux-kernel - Re: [PATCH v2 0/3] drm/etnaviv: IOMMU related fixes

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Message-ID: <1b03b591d51250d5049028e93c1a54ef7f28aeae.camel@pengutronix.de>
Date:   Wed, 01 Dec 2021 13:29:31 +0100
From:   Lucas Stach <l.stach@...gutronix.de>
To:     Michael Walle <michael@...le.cc>,
        Robin Murphy <robin.murphy@....com>,
        etnaviv@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Cc:     "Lukas F . Hartmann" <lukas@...re.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Russell King <linux+etnaviv@...linux.org.uk>,
        Christian Gmeiner <christian.gmeiner@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Subject: Re: [PATCH v2 0/3] drm/etnaviv: IOMMU related fixes

Hi Michael,

Am Dienstag, dem 07.09.2021 um 18:49 +0200 schrieb Michael Walle:
> This patch series fixes usage of the etnaviv driver with GPUs behind a
> IOMMU. It was tested on a NXP LS1028A SoC. Together with Lucas' MMU patches
> [1] there are not more (GPU internal) MMU nor (system) IOMMU faults on the
> LS1028A.
> 
> [1] https://lists.freedesktop.org/archives/etnaviv/2021-August/003682.html
> 
> changes since v1:
>  - don't move the former dma_mask setup code around in patch 2/3. Will
>    avoid any confusion.
> 
> Michael Walle (3):
>   drm/etnaviv: use PLATFORM_DEVID_NONE
>   drm/etnaviv: fix dma configuration of the virtual device
>   drm/etnaviv: use a 32 bit mask as coherent DMA mask
> 
>  drivers/gpu/drm/etnaviv/etnaviv_drv.c | 41 ++++++++++++++++++++-------
>  1 file changed, 31 insertions(+), 10 deletions(-)
> 
Thanks for the patches! I applied them to my etnaviv/next branch.

Regards,
Lucas