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Subject: Re: [PATCH 5.15 000/189] 5.15.35-rc1 review
To:     Guenter Roeck <linux@roeck-us.net>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-kernel@vger.kernel.org
Cc:     stable@vger.kernel.org, torvalds@linux-foundation.org,
        akpm@linux-foundation.org, shuah@kernel.org, patches@kernelci.org,
        lkft-triage@lists.linaro.org, pavel@denx.de, jonathanh@nvidia.com,
        f.fainelli@gmail.com, sudipm.mukherjee@gmail.com,
        slade@sladewatkins.com,
        Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
References: <20220418121200.312988959@linuxfoundation.org>
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From:   =?UTF-8?Q?Holger_Hoffst=c3=a4tte?= <holger@applied-asynchrony.com>
Organization: Applied Asynchrony, Inc.
Message-ID: <fe7e1bac-60b0-ccab-b88e-243b41f64132@applied-asynchrony.com>
Date:   Mon, 18 Apr 2022 18:49:00 +0200
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On 2022-04-18 18:27, Guenter Roeck wrote:
> On 4/18/22 07:07, Holger Hoffstätte wrote:
>> On 2022-04-18 14:10, Greg Kroah-Hartman wrote:
>>> This is the start of the stable review cycle for the 5.15.35 release.
>>> There are 189 patches in this series, all will be posted as a response
>>> to this one.  If anyone has any issues with these being applied, please
>>> let me know.
>>
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_hubbub.c: In function hubbub31_verify_allow_pstate_change_high':
>> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn31/dcn31_hubbub.c:994:17: error: implicit declaration of function 'udelay' [-Werror=implicit-function-declaration]
>>    994 |                 udelay(1);
>>        |                 ^~~~~~
>>
>> Caused by "drm-amd-display-add-pstate-verification-and-recovery-for-dcn31.patch".
>> Explicitly includng <linux/delay.h> in dcn31_hubbub.c fixes it.
>>
>> Current mainline version of dcn31_hubbub.c does not explicitly include
>> <linux/delay.h>, so there seems to be some general inconsistency wrt.
>> which dcn module includes what.
>>
>> CC'ing Nicholas Kazlauskas.
>>
> Should add: The problem is only seen with 32-bit (i386) builds.

I found this while building on my Zen2 Thinkpad, which is definitely 64 bits. :)

-h