From: Bjorn Andersson <andersson@kernel.org>
To: Konrad Dybcio <konradybcio@kernel.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, Xilin Wu <sophon@radxa.com>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] arm64: dts: qcom: sc8280xp: Mark FastRPC context banks as dma-coherent
Date: Thu, 17 Sep 2026 20:49:50 -0500 [thread overview]
Message-ID: <178969618826.1582337.6658511312541652648.b4-ty@kernel.org> (raw)
In-Reply-To: <20260909-sc8280xp-fastrpc-dma-coherent-v3-1-d38184e8cf9d@radxa.com>
On Wed, 09 Sep 2026 16:08:53 +0800, Xilin Wu wrote:
> The FastRPC context banks are DMA-coherent on SC8280XP. Describe this in
> the device tree so that the DMA API uses the appropriate coherency
> attributes for their mappings.
>
> When FastRPC allocates shared buffers from the system DMA heap, the
> missing property can cause intermittent failures while loading DSP
> libraries. Both fastrpc_test and the QAIRT platform validator can fail
> with DSP loader errors such as "mmap hdrs failed" and "bad address".
>
> [...]
Applied, thanks!
[1/1] arm64: dts: qcom: sc8280xp: Mark FastRPC context banks as dma-coherent
commit: 3ca6796122d931ed3923884b019b0a32c26cade6
Best regards,
--
Bjorn Andersson <andersson@kernel.org>
prev parent reply other threads:[~2026-09-18 1:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-09 8:08 Xilin Wu
2026-09-09 12:53 ` Konrad Dybcio
2026-09-18 1:49 ` Bjorn Andersson [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=178969618826.1582337.6658511312541652648.b4-ty@kernel.org \
--to=andersson@kernel.org \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=konradybcio@kernel.org \
--cc=krzk+dt@kernel.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=robh@kernel.org \
--cc=sophon@radxa.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®