diff --git a/drivers/gpu/drm/i915/Makefile.header-test b/drivers/gpu/drm/i915/Makefile.header-test
index fa7542a6b262b4eb217701d0ff90fccf5aec1b0e..bff153be3d043eb120f6c85843d64900ed9cbfcb 100644
--- a/drivers/gpu/drm/i915/Makefile.header-test
+++ b/drivers/gpu/drm/i915/Makefile.header-test
@@ -13,6 +13,7 @@ header_test := \
 	i915_reg.h \
 	i915_scheduler_types.h \
 	i915_timeline_types.h \
+	intel_atomic.h \
 	intel_atomic_plane.h \
 	intel_audio.h \
 	intel_bios.h \
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index e3263608d0d305c6f7afbefe53f151310b7a7c42..e1b858bd1d323ef08a897f244d5716bc38893360 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -38,6 +38,7 @@
 
 #include "i915_drv.h"
 #include "i915_gpu_error.h"
+#include "intel_atomic.h"
 #include "intel_overlay.h"
 
 static inline const struct intel_engine_cs *
diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c
index 9d962ea1e635e1ff5d8da5a3fe24450075201acf..c6ecc008760896e6bc2021c594efd10062904b03 100644
--- a/drivers/gpu/drm/i915/icl_dsi.c
+++ b/drivers/gpu/drm/i915/icl_dsi.c
@@ -28,6 +28,7 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_mipi_dsi.h>
 
+#include "intel_atomic.h"
 #include "intel_connector.h"
 #include "intel_ddi.h"
 #include "intel_dsi.h"
diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c
index 8c8fae32ec50985e86c619dc1c5aa296f8f5e49e..58b8049649a0f929b9e5d90637d3b243bcd74a10 100644
--- a/drivers/gpu/drm/i915/intel_atomic.c
+++ b/drivers/gpu/drm/i915/intel_atomic.c
@@ -34,6 +34,7 @@
 #include <drm/drm_fourcc.h>
 #include <drm/drm_plane_helper.h>
 
+#include "intel_atomic.h"
 #include "intel_drv.h"
 #include "intel_hdcp.h"
 #include "intel_sprite.h"
@@ -411,3 +412,15 @@ void intel_atomic_state_clear(struct drm_atomic_state *s)
 	drm_atomic_state_default_clear(&state->base);
 	state->dpll_set = state->modeset = false;
 }
+
+struct intel_crtc_state *
+intel_atomic_get_crtc_state(struct drm_atomic_state *state,
+			    struct intel_crtc *crtc)
+{
+	struct drm_crtc_state *crtc_state;
+	crtc_state = drm_atomic_get_crtc_state(state, &crtc->base);
+	if (IS_ERR(crtc_state))
+		return ERR_CAST(crtc_state);
+
+	return to_intel_crtc_state(crtc_state);
+}
diff --git a/drivers/gpu/drm/i915/intel_atomic.h b/drivers/gpu/drm/i915/intel_atomic.h
new file mode 100644
index 0000000000000000000000000000000000000000..1c8507da1a690ba7255622a88a4cdf7c9e53d621
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_atomic.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2019 Intel Corporation
+ */
+
+#ifndef __INTEL_ATOMIC_H__
+#define __INTEL_ATOMIC_H__
+
+#include <linux/types.h>
+
+struct drm_atomic_state;
+struct drm_connector;
+struct drm_connector_state;
+struct drm_crtc;
+struct drm_crtc_state;
+struct drm_device;
+struct drm_i915_private;
+struct drm_property;
+struct intel_crtc;
+struct intel_crtc_state;
+
+int intel_digital_connector_atomic_get_property(struct drm_connector *connector,
+						const struct drm_connector_state *state,
+						struct drm_property *property,
+						u64 *val);
+int intel_digital_connector_atomic_set_property(struct drm_connector *connector,
+						struct drm_connector_state *state,
+						struct drm_property *property,
+						u64 val);
+int intel_digital_connector_atomic_check(struct drm_connector *conn,
+					 struct drm_connector_state *new_state);
+struct drm_connector_state *
+intel_digital_connector_duplicate_state(struct drm_connector *connector);
+
+struct drm_crtc_state *intel_crtc_duplicate_state(struct drm_crtc *crtc);
+void intel_crtc_destroy_state(struct drm_crtc *crtc,
+			       struct drm_crtc_state *state);
+struct drm_atomic_state *intel_atomic_state_alloc(struct drm_device *dev);
+void intel_atomic_state_clear(struct drm_atomic_state *state);
+
+struct intel_crtc_state *
+intel_atomic_get_crtc_state(struct drm_atomic_state *state,
+			    struct intel_crtc *crtc);
+
+int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv,
+			       struct intel_crtc *intel_crtc,
+			       struct intel_crtc_state *crtc_state);
+
+#endif /* __INTEL_ATOMIC_H__ */
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 506786210357dd97af3ab494b068a46918abe6f0..29f6960e0f8b548f843b80ddee0e1f4b50272126 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -47,6 +47,7 @@
 #include "i915_drv.h"
 #include "i915_gem_clflush.h"
 #include "i915_trace.h"
+#include "intel_atomic.h"
 #include "intel_atomic_plane.h"
 #include "intel_color.h"
 #include "intel_cdclk.h"
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 58f6d0e953adaad6a70678fb1e602314d0db728c..4e7b8d29d73346daa41805c5f924423367700c5c 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -43,6 +43,7 @@
 #include <drm/i915_drm.h>
 
 #include "i915_drv.h"
+#include "intel_atomic.h"
 #include "intel_audio.h"
 #include "intel_connector.h"
 #include "intel_ddi.h"
diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
index 46e88311add4d666f01e2f539669421aa09a5070..725518e8bfaa4ac1fac8285af2e3405771e286e4 100644
--- a/drivers/gpu/drm/i915/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/intel_dp_mst.c
@@ -28,6 +28,7 @@
 #include <drm/drm_probe_helper.h>
 
 #include "i915_drv.h"
+#include "intel_atomic.h"
 #include "intel_audio.h"
 #include "intel_connector.h"
 #include "intel_ddi.h"
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 71ae3beae92c4f8f991dd84a006efe80145815a4..aa5542d44d39760527c4940921de3c30985f2ba0 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1912,40 +1912,4 @@ void chv_phy_powergate_lanes(struct intel_encoder *encoder,
 bool chv_phy_powergate_ch(struct drm_i915_private *dev_priv, enum dpio_phy phy,
 			  enum dpio_channel ch, bool override);
 
-/* intel_atomic.c */
-int intel_digital_connector_atomic_get_property(struct drm_connector *connector,
-						const struct drm_connector_state *state,
-						struct drm_property *property,
-						u64 *val);
-int intel_digital_connector_atomic_set_property(struct drm_connector *connector,
-						struct drm_connector_state *state,
-						struct drm_property *property,
-						u64 val);
-int intel_digital_connector_atomic_check(struct drm_connector *conn,
-					 struct drm_connector_state *new_state);
-struct drm_connector_state *
-intel_digital_connector_duplicate_state(struct drm_connector *connector);
-
-struct drm_crtc_state *intel_crtc_duplicate_state(struct drm_crtc *crtc);
-void intel_crtc_destroy_state(struct drm_crtc *crtc,
-			       struct drm_crtc_state *state);
-struct drm_atomic_state *intel_atomic_state_alloc(struct drm_device *dev);
-void intel_atomic_state_clear(struct drm_atomic_state *);
-
-static inline struct intel_crtc_state *
-intel_atomic_get_crtc_state(struct drm_atomic_state *state,
-			    struct intel_crtc *crtc)
-{
-	struct drm_crtc_state *crtc_state;
-	crtc_state = drm_atomic_get_crtc_state(state, &crtc->base);
-	if (IS_ERR(crtc_state))
-		return ERR_CAST(crtc_state);
-
-	return to_intel_crtc_state(crtc_state);
-}
-
-int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv,
-			       struct intel_crtc *intel_crtc,
-			       struct intel_crtc_state *crtc_state);
-
 #endif /* __INTEL_DRV_H__ */
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 4d3e2c96916e593b303cc815539b7934cfbc0abd..f8440c6c784dffed607ff651a4f055a7fc4ea73b 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -40,6 +40,7 @@
 #include <drm/intel_lpe_audio.h>
 
 #include "i915_drv.h"
+#include "intel_atomic.h"
 #include "intel_audio.h"
 #include "intel_connector.h"
 #include "intel_ddi.h"
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 51d1d59c16193d67335c0912e88d786a251b4214..dcfca443f4797c758c9448f333eb0982e1ff1ead 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -40,6 +40,7 @@
 #include <drm/i915_drm.h>
 
 #include "i915_drv.h"
+#include "intel_atomic.h"
 #include "intel_connector.h"
 #include "intel_drv.h"
 #include "intel_lvds.h"
diff --git a/drivers/gpu/drm/i915/intel_pipe_crc.c b/drivers/gpu/drm/i915/intel_pipe_crc.c
index e94b5b1bc1b7f2015b0613787d0a29e8656bd875..337600f0f3593f95f46431a753a34f420c4884a4 100644
--- a/drivers/gpu/drm/i915/intel_pipe_crc.c
+++ b/drivers/gpu/drm/i915/intel_pipe_crc.c
@@ -29,6 +29,7 @@
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 
+#include "intel_atomic.h"
 #include "intel_drv.h"
 #include "intel_pipe_crc.h"
 
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 3ba31a71ff978b0166bab6d7c54b82ed2f47d48f..efae44d7f68b20e6371c7b3ab3b2fbc671c7b23d 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -35,6 +35,7 @@
 
 #include "i915_drv.h"
 #include "i915_irq.h"
+#include "intel_atomic.h"
 #include "intel_drv.h"
 #include "intel_fbc.h"
 #include "intel_pm.h"
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 66365b14703b1c39a4c97bda2974f3113d6f4749..743e7458475c3db470d18906df961dacaedec90d 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -37,6 +37,7 @@
 #include <drm/i915_drm.h>
 
 #include "i915_drv.h"
+#include "intel_atomic.h"
 #include "intel_connector.h"
 #include "intel_drv.h"
 #include "intel_fifo_underrun.h"
diff --git a/drivers/gpu/drm/i915/vlv_dsi.c b/drivers/gpu/drm/i915/vlv_dsi.c
index 5d343a09d5304d6099aed3eab4f3e8045b37ba58..bc5b782b053c131f3ead831ac99719295f5bdb54 100644
--- a/drivers/gpu/drm/i915/vlv_dsi.c
+++ b/drivers/gpu/drm/i915/vlv_dsi.c
@@ -32,6 +32,7 @@
 #include <drm/drm_mipi_dsi.h>
 
 #include "i915_drv.h"
+#include "intel_atomic.h"
 #include "intel_connector.h"
 #include "intel_drv.h"
 #include "intel_dsi.h"