Re: [PATCH 3/3] drm/etnaviv: use a 32 bit mask as coherent DMA mask

From: Michael Walle
Date: Thu Aug 26 2021 - 08:43:31 EST

Am 2021-08-26 14:10, schrieb Michael Walle:
The STLB and the first command buffer (which is used to set up the TLBs)
has a 32 bit size restriction in hardware. There seems to be no way to
specify addresses larger than 32 bit. Keep it simple and restict the
addresses to the lower 4 GiB range for all coherent DMA memory

Signed-off-by: Michael Walle <michael@xxxxxxxx>

Suggested-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>

is missing here. sorry, will add it in the next version.