The xe driver will reuse i915 display code by compiling it separately as part of xe. We'll want to be able to distinguish between building the i915 display code for i915 and xe. Define I915 when building i915. Cc: David Airlie <airlied@xxxxxxxxx> Cc: Daniel Vetter <daniel@xxxxxxxx> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx> Cc: Lucas De Marchi <lucas.demarchi@xxxxxxxxx> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> --- drivers/gpu/drm/i915/Makefile | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile index 1b2e02e9d92c..fa6aa71bb749 100644 --- a/drivers/gpu/drm/i915/Makefile +++ b/drivers/gpu/drm/i915/Makefile @@ -28,6 +28,10 @@ CFLAGS_i915_pci.o = $(call cc-disable-warning, override-init) CFLAGS_display/intel_display_device.o = $(call cc-disable-warning, override-init) CFLAGS_display/intel_fbdev.o = $(call cc-disable-warning, override-init) +# Support compiling the display code separately for both i915 and xe +# drivers. Define I915 when building i915. +subdir-ccflags-y += -DI915 + subdir-ccflags-y += -I$(srctree)/$(src) # Please keep these build lists sorted! -- 2.39.2