On 15.12.2017 16:33, Thierry Reding wrote:
> On Fri, Dec 15, 2017 at 01:51:52PM +0100, Arnd Bergmann wrote:
>> The newly introduced driver has optional suspend/resume functions,
>> causing a warning when CONFIG_PM is disabled:
>>
>> drivers/gpu/drm/tegra/hub.c:749:12: error: 'tegra_display_hub_resume' defined but not used [-Werror=unused-function]
>> drivers/gpu/drm/tegra/hub.c:733:12: error: 'tegra_display_hub_suspend' defined but not used [-Werror=unused-function]
>>
>> This marks them __maybe_unused to shut up the warnings.
>>
>> Fixes: c4755fb9064f ("drm/tegra: Add Tegra186 display hub support")
>> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
>> ---
>> drivers/gpu/drm/tegra/hub.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> We had touched on this topic in a different thread. The Tegra DRM driver
> currently relies on runtime PM to work properly. I don't see a reason to
> not make that official by adding a select PM to menuconfig ARCH_TEGRA on
> 32-bit ARM just like we already do on 64-bit ARM.
Since you've repeated the third time that you 'don't see a reason', I'll take it
as NAK for my patch that made drm/tegra to work with the disabled PM and drop
it. Next time please state it clearly if you oppose to something strongly. Thanks.
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