[Intel-gfx] [PATCH 2/4] drm/i915/opregion: Register opreg func only for disp parts

[Anshuman Gupta <anshuman.gupta@intel.com>]

It need to register opregion_func only for graphics sku
which has display. Use HAS_DISPLAY() to register
opregion_func.

Cc: Badal Nilawar <badal.nilawar@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
---
 drivers/gpu/drm/i915/display/intel_opregion.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_opregion.c b/drivers/gpu/drm/i915/display/intel_opregion.c
index 19f0558c0fbf..c1b558cdb99e 100644
--- a/drivers/gpu/drm/i915/display/intel_opregion.c
+++ b/drivers/gpu/drm/i915/display/intel_opregion.c
@@ -860,6 +860,9 @@ static int intel_opregion_setup(struct drm_i915_private *dev_priv)
 	BUILD_BUG_ON(sizeof(struct opregion_asle) != 0x100);
 	BUILD_BUG_ON(sizeof(struct opregion_asle_ext) != 0x400);
 
+	if (!opregion->opregion_func)
+		return 0;
+
 	INIT_WORK(&opregion->asle_work, asle_work);
 
 	base = opregion->opregion_func->alloc_opregion(dev_priv);
@@ -1296,9 +1299,9 @@ int intel_opregion_init(struct drm_i915_private *i915)
 {
 	struct intel_opregion *opregion = &i915->opregion;
 
-	if (IS_DGFX(i915))
+	if (IS_DGFX(i915) && HAS_DISPLAY(i915))
 		opregion->opregion_func = &dgfx_opregion_func;
-	else
+	else if (!IS_DGFX(i915))
 		opregion->opregion_func = &igfx_opregion_func;
 
 	return intel_opregion_setup(i915);
-- 
2.26.2