Re: [PATCH 5.15 000/189] 5.15.35-rc1 review

[Greg Kroah-Hartman]

On Mon, Apr 18, 2022 at 04:07:11PM +0200, 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.

Odd that my build testing didn't find that 'allmodconfig' doesn't catch
it :(

Anyway, thanks for letting me know, I've pushed out a -rc2 now with this
fix.  Or hopeful fix...

greg k-h