From: Ekansh Gupta <quic_ekangupt@quicinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: <srinivas.kandagatla@linaro.org>, <linux-arm-msm@vger.kernel.org>,
<gregkh@linuxfoundation.org>, <quic_bkumar@quicinc.com>,
<linux-kernel@vger.kernel.org>, <quic_chennak@quicinc.com>,
<dri-devel@lists.freedesktop.org>, <arnd@arndb.de>,
stable <stable@kernel.org>
Subject: Re: [PATCH v6 2/2] misc: fastrpc: Increase unsigned PD initmem size
Date: Tue, 23 Jul 2024 10:06:38 +0530 [thread overview]
Message-ID: <be9ffb28-3ad7-4537-bf80-45ea43f97374@quicinc.com> (raw)
In-Reply-To: <cr6xv4tsk23sjynnucve4366fwvffgq3rjnbkpxhzdfeiktwtr@ydrp3mduapui>
On 7/22/2024 2:04 PM, Dmitry Baryshkov wrote:
> On Mon, Jul 22, 2024 at 01:32:00PM GMT, Ekansh Gupta wrote:
>> For unsigned PD offloading requirement, additional memory is required
>> because of additional static heap initialization. Without this
>> additional memory, PD initialization would fail. Increase the initmem
>> size by 2MB for unsigned PD initmem buffer allocation. Any additional
>> memory sent to DSP during PD init is used as the PD heap.
> From the previous commit message I had the feeling that DSP can request
> more memory if required. Currently you are stating that PD init would
> fail if it doesn't have enough mem.
DSP PD can request for memory only for PD heap and that too once the PD
initialization is complete.
>
>> Fixes: 7f1f481263c3 ("misc: fastrpc: check before loading process to the DSP")
>> Cc: stable <stable@kernel.org>
>> Signed-off-by: Ekansh Gupta <quic_ekangupt@quicinc.com>
>> ---
>> drivers/misc/fastrpc.c | 8 ++++++++
>> 1 file changed, 8 insertions(+)
>>
next prev parent reply other threads:[~2024-07-23 4:36 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-22 8:01 [PATCH v6 0/2] Fix user PD inimem requirements Ekansh Gupta
2024-07-22 8:01 ` [PATCH v6 1/2] misc: fastrpc: Define a new initmem size for user PD Ekansh Gupta
2024-07-22 8:32 ` Dmitry Baryshkov
2024-07-23 4:34 ` Ekansh Gupta
2024-07-23 9:13 ` Dmitry Baryshkov
2024-07-22 8:02 ` [PATCH v6 2/2] misc: fastrpc: Increase unsigned PD initmem size Ekansh Gupta
2024-07-22 8:34 ` Dmitry Baryshkov
2024-07-23 4:36 ` Ekansh Gupta [this message]
2024-07-23 9:14 ` Dmitry Baryshkov
2024-07-22 8:26 ` [PATCH v6 0/2] Fix user PD inimem requirements Dmitry Baryshkov
2024-07-23 4:37 ` Ekansh Gupta
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=be9ffb28-3ad7-4537-bf80-45ea43f97374@quicinc.com \
--to=quic_ekangupt@quicinc.com \
--cc=arnd@arndb.de \
--cc=dmitry.baryshkov@linaro.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=gregkh@linuxfoundation.org \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=quic_bkumar@quicinc.com \
--cc=quic_chennak@quicinc.com \
--cc=srinivas.kandagatla@linaro.org \
--cc=stable@kernel.org \
/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®