Re: [PATCH] drm/selftests: Fix build warning -Wframe-larger-than

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Op 02-11-18 om 14:01 schreef Alexandru-Cosmin Gheorghe:
> It seems for some random configuration drm_device is bigger than 2048
> bytes.
> The fix is to make the mock objects static variables.
>
> Bug reported by 0-DAY Kernel test infrastructure here:
> https://lists.01.org/pipermail/kbuild-all/2018-November/054431.html
>
> Fixes: 6ff3d9ffdcbb ("drm/selftests: Add tests for drm_internal_framebuffer_create")
> Signed-off-by: Alexandru Gheorghe <alexandru-cosmin.gheorghe@xxxxxxx>
> ---
>  .../gpu/drm/selftests/test-drm_framebuffer.c  | 30 ++++++++++---------
>  1 file changed, 16 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/gpu/drm/selftests/test-drm_framebuffer.c b/drivers/gpu/drm/selftests/test-drm_framebuffer.c
> index 3098435678af..a04d02dacce2 100644
> --- a/drivers/gpu/drm/selftests/test-drm_framebuffer.c
> +++ b/drivers/gpu/drm/selftests/test-drm_framebuffer.c
> @@ -307,25 +307,27 @@ static struct drm_framebuffer *fb_create_mock(struct drm_device *dev,
>  	return ERR_PTR(-EINVAL);
>  }
>  
> +static struct drm_mode_config_funcs mock_config_funcs = {
> +	.fb_create = fb_create_mock,
> +};
> +
> +static struct drm_device mock_drm_device = {
> +	.mode_config = {
> +		.min_width = MIN_WIDTH,
> +		.max_width = MAX_WIDTH,
> +		.min_height = MIN_HEIGHT,
> +		.max_height = MAX_HEIGHT,
> +		.allow_fb_modifiers = true,
> +		.funcs = &mock_config_funcs,
> +	},
> +};
> +
>  static int execute_drm_mode_fb_cmd2(struct drm_mode_fb_cmd2 *r)
>  {
>  	int buffer_created = 0;
>  	struct drm_framebuffer *fb;
> -	struct drm_mode_config_funcs mock_config_funcs = {
> -		.fb_create = fb_create_mock,
> -	};
> -	struct drm_device mock_drm_device = {
> -		.mode_config = {
> -			.min_width = MIN_WIDTH,
> -			.max_width = MAX_WIDTH,
> -			.min_height = MIN_HEIGHT,
> -			.max_height = MAX_HEIGHT,
> -			.allow_fb_modifiers = true,
> -			.funcs = &mock_config_funcs,
> -		},
> -		.dev_private = &buffer_created
> -	};
>  
> +	mock_drm_device.dev_private = &buffer_created;
>  	fb = drm_internal_framebuffer_create(&mock_drm_device, r, NULL);
>  	return buffer_created;
>  }

Thanks, pushed. :)

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