[PATCH] drm/xe: Fix compilation without CONFIG_KUNIT

[Belgaumkar, Vinay]

On 1/5/2024 9:19 AM, Michal Wajdeczko wrote:
> It looks that declaration of kunit_get_current_test() was
> available in xe_guc_relay.c only with CONFIG_KUNIT enabled.
> If CONFIG_KUNIT is disabled we fail with:
>
> In file included from ../include/linux/build_bug.h:5,
>                   from ../include/linux/bitfield.h:10,
>                   from ../drivers/gpu/drm/xe/xe_guc_relay.c:6:
> ../drivers/gpu/drm/xe/xe_guc_relay.c: In function ‘xe_guc_relay_process_guc2vf’:
> ../drivers/gpu/drm/xe/xe_guc_relay.c:863:52: error: implicit declaration of function ‘kunit_get_current_test’ [-Werror=implicit-function-declaration]
>    863 |  if (unlikely(!IS_SRIOV_VF(relay_to_xe(relay)) && !kunit_get_current_test()))
>        |                                                    ^~~~~~~~~~~~~~~~~~~~~~
> ../include/linux/compiler.h:77:42: note: in definition of macro ‘unlikely’
>     77 | # define unlikely(x) __builtin_expect(!!(x), 0)
>        |                                          ^
>
> Reported-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
> Fixes: 9a2c2ecb1b77 ("drm/xe/guc: Introduce Relay Communication for SR-IOV")
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
> ---
>   drivers/gpu/drm/xe/xe_guc_relay.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/xe/xe_guc_relay.c b/drivers/gpu/drm/xe/xe_guc_relay.c
> index b772088979bd..c0a2d8d5d3b3 100644
> --- a/drivers/gpu/drm/xe/xe_guc_relay.c
> +++ b/drivers/gpu/drm/xe/xe_guc_relay.c
> @@ -9,6 +9,7 @@
>   #include <drm/drm_managed.h>
>   
>   #include <kunit/static_stub.h>
> +#include <kunit/test-bug.h>

Compile works with this fix-

Tested-by: Vinay Belgaumkar <vinay.belgaumkar at intel.com>

>   
>   #include "abi/guc_actions_sriov_abi.h"
>   #include "abi/guc_relay_actions_abi.h"