linux-kernel - Re: [PATCH] clk: qcom: msm8916: Fix bimc gpu clock ops

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 23 Aug 2017 15:55:43 -0700
From:   Stephen Boyd <sboyd@...eaurora.org>
To:     Georgi Djakov <georgi.djakov@...aro.org>
Cc:     mturquette@...libre.com, robdclark@...il.com,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] clk: qcom: msm8916: Fix bimc gpu clock ops

On 08/18, Georgi Djakov wrote:
> The clock bimc_gpu_clk_src is incorrectly set to use the shared rcg2
> ops, which are for RCGs with child branches controlled by different
> CPUs.
> 
> The result of the incorrect ops is that the GPU's PM runtime may leave
> this clock set at a very low rate. Fix this issue by using the correct
> rcg2 ops.
> 
> Fixes: a2e8272f3f89 ("clk: qcom: Add MSM8916 gpu clocks")
> Signed-off-by: Georgi Djakov <georgi.djakov@...aro.org>
> ---

This is the only user of clk_rcg2_shared_ops. I'm totally lost
why we added this in the first place.

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project