[PATCH] drm: Hack around CONFIG_AGP=m build failures

[Daniel Vetter]

Surprisingly kbuild can't cope with tristates in the
<module>-$(CONFIG_FOO) pattern. This patch hacks up a solution.

Reported-by: Stephen Rothwell <sfr at canb.auug.org.au>
Reported-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Cc: Stephen Rothwell <sfr at canb.auug.org.au>
Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
Cc: Michal Marek <mmarek at suse.com>
Cc: linux-kbuild at vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
---
 drivers/gpu/drm/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index f458d6e33655..e814517513ce 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -21,6 +21,8 @@ drm-$(CONFIG_DRM_PANEL) += drm_panel.o
 drm-$(CONFIG_OF) += drm_of.o
 drm-$(CONFIG_AGP) += drm_agpsupport.o
 
+drm-y += $(drm-m)
+
 drm_kms_helper-y := drm_crtc_helper.o drm_dp_helper.o drm_probe_helper.o \
 		drm_plane_helper.o drm_dp_mst_topology.o drm_atomic_helper.o
 drm_kms_helper-$(CONFIG_DRM_LOAD_EDID_FIRMWARE) += drm_edid_load.o
-- 
2.5.1