drm/i915/display: add intel_bo_get/set_frontbuffer() and use them

Add the struct drm_gem_object based interfaces.

Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/3120ec430656f04701077dda39cce5f1ed415eee.1726589119.git.jani.nikula@intel.com

4 files changed, 31 insertions, 3 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_bo.c b/drivers/gpu/drm/i915/display/intel_bo.c
index 5643835cdfec..3881b9ad08ee 100644
--- a/drivers/gpu/drm/i915/display/intel_bo.c
+++ b/drivers/gpu/drm/i915/display/intel_bo.c
@@ -3,6 +3,7 @@
 
 #include "gem/i915_gem_mman.h"
 #include "gem/i915_gem_object.h"
+#include "gem/i915_gem_object_frontbuffer.h"
 #include "intel_bo.h"
 
 bool intel_bo_is_tiled(struct drm_gem_object *obj)
@@ -39,3 +40,14 @@ int intel_bo_read_from_page(struct drm_gem_object *obj, u64 offset, void *dst, i
 {
 	return i915_gem_object_read_from_page(to_intel_bo(obj), offset, dst, size);
 }
+
+struct intel_frontbuffer *intel_bo_get_frontbuffer(struct drm_gem_object *obj)
+{
+	return i915_gem_object_get_frontbuffer(to_intel_bo(obj));
+}
+
+struct intel_frontbuffer *intel_bo_set_frontbuffer(struct drm_gem_object *obj,
+						   struct intel_frontbuffer *front)
+{
+	return i915_gem_object_set_frontbuffer(to_intel_bo(obj), front);
+}
diff --git a/drivers/gpu/drm/i915/display/intel_bo.h b/drivers/gpu/drm/i915/display/intel_bo.h
index 2aab8e25b471..df0bd8c871a5 100644
--- a/drivers/gpu/drm/i915/display/intel_bo.h
+++ b/drivers/gpu/drm/i915/display/intel_bo.h
@@ -17,4 +17,8 @@ void intel_bo_flush_if_display(struct drm_gem_object *obj);
 int intel_bo_fb_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
 int intel_bo_read_from_page(struct drm_gem_object *obj, u64 offset, void *dst, int size);
 
+struct intel_frontbuffer *intel_bo_get_frontbuffer(struct drm_gem_object *obj);
+struct intel_frontbuffer *intel_bo_set_frontbuffer(struct drm_gem_object *obj,
+						   struct intel_frontbuffer *front);
+
 #endif /* __INTEL_BO__ */
diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.c b/drivers/gpu/drm/i915/display/intel_frontbuffer.c
index e56d596485c3..1be72901efb0 100644
--- a/drivers/gpu/drm/i915/display/intel_frontbuffer.c
+++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.c
@@ -59,6 +59,7 @@
 #include "gem/i915_gem_object_types.h"
 #include "i915_active.h"
 #include "i915_drv.h"
+#include "intel_bo.h"
 #include "intel_display_trace.h"
 #include "intel_display_types.h"
 #include "intel_dp.h"
@@ -266,7 +267,7 @@ static void frontbuffer_release(struct kref *ref)
 
 	i915_ggtt_clear_scanout(obj);
 
-	ret = i915_gem_object_set_frontbuffer(obj, NULL);
+	ret = intel_bo_set_frontbuffer(intel_bo_to_drm_bo(obj), NULL);
 	drm_WARN_ON(&intel_bo_to_i915(obj)->drm, ret);
 	spin_unlock(&intel_bo_to_i915(obj)->display.fb_tracking.lock);
 
@@ -280,7 +281,7 @@ intel_frontbuffer_get(struct drm_i915_gem_object *obj)
 	struct drm_i915_private *i915 = intel_bo_to_i915(obj);
 	struct intel_frontbuffer *front, *cur;
 
-	front = i915_gem_object_get_frontbuffer(obj);
+	front = intel_bo_get_frontbuffer(intel_bo_to_drm_bo(obj));
 	if (front)
 		return front;
 
@@ -298,7 +299,7 @@ intel_frontbuffer_get(struct drm_i915_gem_object *obj)
 	INIT_WORK(&front->flush_work, intel_frontbuffer_flush_work);
 
 	spin_lock(&i915->display.fb_tracking.lock);
-	cur = i915_gem_object_set_frontbuffer(obj, front);
+	cur = intel_bo_set_frontbuffer(intel_bo_to_drm_bo(obj), front);
 	spin_unlock(&i915->display.fb_tracking.lock);
 	if (cur != front)
 		kfree(front);
diff --git a/drivers/gpu/drm/xe/display/intel_bo.c b/drivers/gpu/drm/xe/display/intel_bo.c
index e6003825d145..4647f0d0338e 100644
--- a/drivers/gpu/drm/xe/display/intel_bo.c
+++ b/drivers/gpu/drm/xe/display/intel_bo.c
@@ -66,3 +66,14 @@ out_unlock:
 	xe_bo_unlock(bo);
 	return ret;
 }
+
+struct intel_frontbuffer *intel_bo_get_frontbuffer(struct drm_gem_object *obj)
+{
+	return NULL;
+}
+
+struct intel_frontbuffer *intel_bo_set_frontbuffer(struct drm_gem_object *obj,
+						   struct intel_frontbuffer *front)
+{
+	return front;
+}