Re: [PATCH 0/7] drm: Extend COMPILE_TEST support to some ARM drivers

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Hi Laurent,

On Wed, Jul 28, 2021 at 06:37:29PM +0300, Laurent Pinchart wrote:
> Hello,
> 
> This patch series stems from subsystem-wide changes I wanted to
> compile-test with an ARM64 cross-compiler. My laziness to fire a 32-bit
> ARM build probably resulted in more time being spent writing these
> patches, but hopefully they'll turn out to be useful for more people :-)
> 
> Patches 1/7 and 2/7 are fixes for compilation warnings on 64-bit
> platforms in the omapdrm and sti-drm drivers. They are a dependency for
> the Kconfig changes that follow to avoid introducing build warnings, but
> could also be merged before.
> 
> Patches 3/7 to 7/7 enable compilation of the imx-dcss, omapdrm, sti-drm,
> tegra-drm and tilcdc drivers on ARM64 with COMPILE_TEST. The patches are
> independent from each other, so they can be picked by their respective
> maintainers.
> 
> We could also extend test compilation to more architecture, but I didn't
> want to remove all dependencies on ARM or ARM64 at this point for fear
> or triggering build warnings that I wouldn't be able to catch locally.
> If there's a consensus that fully relaxing the platform requirement is
> better, I can submit a new version that does so and rely on the 0day bot
> to catch issues.
I have alpha, sparc64, and a few more so we can get pretty good coverage
before it hits -next.
If we enable more build coverage then please address all W=1 warnings
first.

I for once always builds with W=1 these days, and I see more and more
warnings sneaking in again.
So lets try to keep the noise level down.

	Sam



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