On Mon, 2022-01-31 at 08:59 -0800, Lucas De Marchi wrote:
> Architectures others than x86 have a stub implementation calling
> WARN_ON_ONCE(). The appropriate headers need to be included, otherwise
> the header-test target will fail with:
>
> HDRTEST drivers/gpu/drm/i915/i915_mm.h
> In file included from <command-line>:
> ./drivers/gpu/drm/i915/i915_mm.h: In function ‘remap_io_mapping’:
> ./drivers/gpu/drm/i915/i915_mm.h:26:2: error: implicit declaration of function ‘WARN_ON_ONCE’ [-Werror=implicit-function-declaration]
> 26 | WARN_ON_ONCE(1);
> | ^~~~~~~~~~~~
>
> v2: Do not include <linux/printk.h> since call to pr_err() has been
> removed
Reviewed-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
>
> Fixes: 67c430bbaae1 ("drm/i915: Skip remap_io_mapping() for non-x86 platforms")
> Cc: Siva Mullati <siva.mullati@xxxxxxxxx>
> Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
> ---
>
> v3: No changes from previous version, just submitting to the right
> mailing list
>
> drivers/gpu/drm/i915/i915_mm.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/i915/i915_mm.h b/drivers/gpu/drm/i915/i915_mm.h
> index 76f1d53bdf34..3ad22bbe80eb 100644
> --- a/drivers/gpu/drm/i915/i915_mm.h
> +++ b/drivers/gpu/drm/i915/i915_mm.h
> @@ -6,6 +6,7 @@
> #ifndef __I915_MM_H__
> #define __I915_MM_H__
>
> +#include <linux/bug.h>
> #include <linux/types.h>
>
> struct vm_area_struct;
