From: Akash Asthana <akashast@codeaurora.org>
To: Rajendra Nayak <rnayak@codeaurora.org>,
bjorn.andersson@linaro.org, agross@kernel.org,
gregkh@linuxfoundation.org, georgi.djakov@linaro.org
Cc: mka@chromium.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
dianders@chromium.org, swboyd@chromium.org
Subject: Re: [PATCH] tty: serial: qcom-geni-serial: Drop the icc bw votes in suspend for console
Date: Thu, 9 Jul 2020 19:51:06 +0530 [thread overview]
Message-ID: <77c0899c-ab9a-e195-cc53-5f9bf340ab0e@codeaurora.org> (raw)
In-Reply-To: <1594287420-24141-1-git-send-email-rnayak@codeaurora.org>
On 7/9/2020 3:07 PM, Rajendra Nayak wrote:
> When using the geni-serial as console, its important to be
> able to hit the lowest possible power state in suspend,
> even with no_console_suspend.
> The only thing that prevents it today on platforms like the sc7180
> is the interconnect BW votes, which we certainly don't need when
> the system is in suspend. So in the suspend handler mark them as
> ACTIVE_ONLY (0x3) and on resume switch them back to the ALWAYS tag (0x7)
Reviewed-by: Akash Asthana <akashast@codeaurora.org>
--
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,\na Linux Foundation Collaborative Project
next prev parent reply other threads:[~2020-07-09 14:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-09 9:37 [PATCH] tty: serial: qcom-geni-serial: Drop the icc bw votes in suspend for console Rajendra Nayak
2020-07-09 14:21 ` Akash Asthana [this message]
2020-07-09 15:26 ` Matthias Kaehlcke
2020-07-10 12:41 ` Greg KH
2020-07-14 0:53 ` Doug Anderson
2020-07-14 5:34 ` Rajendra Nayak
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