Re: [PATCH -next] drm/amdkfd: Fix -Wunused-const-variable warning
From: Huang Rui
Date: Thu Sep 10 2020 - 03:26:57 EST
On Thu, Sep 10, 2020 at 10:55:32AM +0800, YueHaibing wrote:
> If KFD_SUPPORT_IOMMU_V2 is not set, gcc warns:
>
> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_device.c:121:37: warning: ‘raven_device_info’ defined but not used [-Wunused-const-variable=]
> static const struct kfd_device_info raven_device_info = {
> ^~~~~~~~~~~~~~~~~
>
> Move it to ifdef block.
>
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
> ---
Raven already has the fallback path, so it should be out of IOMMU v2 flag.
You may want to move raven_device_info out of IOMMU v2 flag in kfd_supported_devices[][2] as well.
Thanks,
Ray
> drivers/gpu/drm/amd/amdkfd/kfd_device.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> index 0e71a0543f98..cae4df259e26 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
> @@ -116,7 +116,6 @@ static const struct kfd_device_info carrizo_device_info = {
> .num_xgmi_sdma_engines = 0,
> .num_sdma_queues_per_engine = 2,
> };
> -#endif
>
> static const struct kfd_device_info raven_device_info = {
> .asic_family = CHIP_RAVEN,
> @@ -135,6 +134,7 @@ static const struct kfd_device_info raven_device_info = {
> .num_xgmi_sdma_engines = 0,
> .num_sdma_queues_per_engine = 2,
> };
> +#endif
>
> static const struct kfd_device_info hawaii_device_info = {
> .asic_family = CHIP_HAWAII,
> --
> 2.17.1
>
>
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