[PATCH] drm: Fix O= out-of-tree builds for selftests

[Chris Wilson]

On Wed, Dec 28, 2016 at 10:41:17AM +0100, Daniel Vetter wrote:
> Kbuild really doesn't like non-recursive Makefiles, but they do work
> as long as you build without O=
> 
> Reported-by: kbuild test robot <fengguang.wu at intel.com>
> Fixes: 50f0033d1a0f ("drm: Add some kselftests for the DRM range manager (struct drm_mm)")
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Christian König <christian.koenig at amd.com>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com># Please enter the commit message for your changes. Lines starting
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>

That's a shame, but it gets us over the breakage so
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>

> ---
>  drivers/gpu/drm/Makefile           | 2 +-
>  drivers/gpu/drm/selftests/Makefile | 1 +
>  2 files changed, 2 insertions(+), 1 deletion(-)
>  create mode 100644 drivers/gpu/drm/selftests/Makefile
> 
> diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
> index c0d1aed8588b..d00c389f24bf 100644
> --- a/drivers/gpu/drm/Makefile
> +++ b/drivers/gpu/drm/Makefile
> @@ -38,7 +38,7 @@ drm_kms_helper-$(CONFIG_DRM_KMS_CMA_HELPER) += drm_fb_cma_helper.o
>  drm_kms_helper-$(CONFIG_DRM_DP_AUX_CHARDEV) += drm_dp_aux_dev.o
>  
>  obj-$(CONFIG_DRM_KMS_HELPER) += drm_kms_helper.o
> -obj-$(CONFIG_DRM_DEBUG_MM_SELFTEST) += selftests/test-drm_mm.o
> +obj-$(CONFIG_DRM_DEBUG_MM_SELFTEST) += selftests/

For the next set of selftests we should add a common
CONFIG_DRM_SELFTESTS.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre