Re: [PATCH -next] gpu: host1x: Fix compile test failure

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On 2019/11/1 17:47, Thierry Reding wrote:
> On Thu, Oct 31, 2019 at 09:33:38PM +0800, Yuehaibing wrote:
>> On 2019/10/31 6:26, Dmitry Osipenko wrote:
>>> 30.10.2019 16:54, YueHaibing пишет:
>>>> If IOMMU_SUPPORT is not set, but IOMMU_IOVA is m and
>>>> COMPILE_TEST is y, building fails:
>>>>
>>>> drivers/gpu/host1x/dev.o: In function `host1x_remove':
>>>> dev.c:(.text+0x624): undefined reference to `put_iova_domain'
>>>> dev.c:(.text+0x624): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `put_iova_domain'
>>>> dev.c:(.text+0x62c): undefined reference to `iova_cache_put'
>>>> dev.c:(.text+0x62c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `iova_cache_put'
>>>>
>>>> Select IOMMU_IOVA while COMPILE_TEST is set to fix this.
>>>>
>>>> Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
>>>> Fixes: 52499a6ad2ae ("gpu: host1x: select IOMMU_IOVA")
>>>> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
>>>> ---
>>>>  drivers/gpu/host1x/Kconfig | 2 +-
>>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>>
>>>> diff --git a/drivers/gpu/host1x/Kconfig b/drivers/gpu/host1x/Kconfig
>>>> index cf987a3..354232d 100644
>>>> --- a/drivers/gpu/host1x/Kconfig
>>>> +++ b/drivers/gpu/host1x/Kconfig
>>>> @@ -2,7 +2,7 @@
>>>>  config TEGRA_HOST1X
>>>>  	tristate "NVIDIA Tegra host1x driver"
>>>>  	depends on ARCH_TEGRA || (ARM && COMPILE_TEST)
>>>> -	select IOMMU_IOVA if IOMMU_SUPPORT
>>>> +	select IOMMU_IOVA if (IOMMU_SUPPORT || COMPILE_TEST)
>>>>  	help
>>>>  	  Driver for the NVIDIA Tegra host1x hardware.
>>>>  
>>>>
>>>
>>> It should be better to unconditionally select IOMMU_IOVA here.
>>>
>>> The same could be done for drivers/staging/media/tegra-vde/ and
>>> drivers/gpu/host1x/, please see [1].
>>
>> Yep, I will repost, thanks!
> 
> No need to resend, I already have patches for that.

Ok, thanks!

> 
> Thierry
> 




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