Re: [PATCH] iommu/dart: Initialize DART_STREAMS_ENABLE
From: Joerg Roedel
Date: Wed Oct 27 2021 - 04:08:43 EST
On Tue, Oct 19, 2021 at 06:22:53PM +0200, Sven Peter wrote:
> DART has an additional global register to control which streams are
> isolated. This register is a bit redundant since DART_TCR can already
> be used to control isolation and is usually initialized to DART_STREAM_ALL
> by the time we get control. Some DARTs (namely the one used for the audio
> controller) however have some streams disabled initially. Make sure those
> work by initializing DART_STREAMS_ENABLE during reset.
>
> Reported-by: Martin Povišer <povik@xxxxxxxxxxxxxx>
> Signed-off-by: Sven Peter <sven@xxxxxxxxxxxxx>
> ---
Applied, thanks.