drm/i915: Separate intel_frontbuffer into its own header

In view of adding inline functions into the intel_frontbuffer section,
we first split the header into its own file so that we can integrate it
more easily with kerneldoc.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1470324762-2545-19-git-send-email-chris@chris-wilson.co.uk

10 files changed, 52 insertions, 11 deletions

diff --git a/Documentation/gpu/i915.rst b/Documentation/gpu/i915.rst
index 2fe5952e90f1..87aaffc22920 100644
--- a/Documentation/gpu/i915.rst
+++ b/Documentation/gpu/i915.rst
@@ -70,6 +70,9 @@ Frontbuffer Tracking
 .. kernel-doc:: drivers/gpu/drm/i915/intel_frontbuffer.c
    :doc: frontbuffer tracking
 
+.. kernel-doc:: drivers/gpu/drm/i915/intel_frontbuffer.h
+   :internal:
+
 .. kernel-doc:: drivers/gpu/drm/i915/intel_frontbuffer.c
    :internal:
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index fdacedc27d87..1960705c50c2 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -33,6 +33,7 @@
 #include "i915_vgpu.h"
 #include "i915_trace.h"
 #include "intel_drv.h"
+#include "intel_frontbuffer.h"
 #include "intel_mocs.h"
 #include <linux/reservation.h>
 #include <linux/shmem_fs.h>
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 109bb9d8df4a..e8e194fa2e65 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -31,6 +31,7 @@
 #include "i915_drv.h"
 #include "i915_trace.h"
 #include "intel_drv.h"
+#include "intel_frontbuffer.h"
 #include <linux/dma_remapping.h>
 #include <linux/uaccess.h>
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 483ddfe957f4..229b1c471df3 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -34,6 +34,7 @@
 #include <drm/drm_edid.h>
 #include <drm/drmP.h>
 #include "intel_drv.h"
+#include "intel_frontbuffer.h"
 #include <drm/i915_drm.h>
 #include "i915_drv.h"
 #include "i915_gem_dmabuf.h"
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index b846623a5a1f..8357c0eb030f 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1135,21 +1135,10 @@ void intel_ddi_clock_get(struct intel_encoder *encoder,
 void intel_ddi_set_vc_payload_alloc(struct drm_crtc *crtc, bool state);
 uint32_t ddi_signal_levels(struct intel_dp *intel_dp);
 
-/* intel_frontbuffer.c */
-void intel_fb_obj_invalidate(struct drm_i915_gem_object *obj,
-			     enum fb_op_origin origin);
-void intel_frontbuffer_flip_prepare(struct drm_device *dev,
-				    unsigned frontbuffer_bits);
-void intel_frontbuffer_flip_complete(struct drm_device *dev,
-				     unsigned frontbuffer_bits);
-void intel_frontbuffer_flip(struct drm_device *dev,
-			    unsigned frontbuffer_bits);
 unsigned int intel_fb_align_height(struct drm_device *dev,
 				   unsigned int height,
 				   uint32_t pixel_format,
 				   uint64_t fb_format_modifier);
-void intel_fb_obj_flush(struct drm_i915_gem_object *obj, bool retire,
-			enum fb_op_origin origin);
 u32 intel_fb_stride_alignment(const struct drm_i915_private *dev_priv,
 			      uint64_t fb_modifier, uint32_t pixel_format);
 
diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
index 6344999d3d6e..0436b4869d57 100644
--- a/drivers/gpu/drm/i915/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/intel_fbdev.c
@@ -42,6 +42,7 @@
 #include <drm/drm_crtc.h>
 #include <drm/drm_fb_helper.h>
 #include "intel_drv.h"
+#include "intel_frontbuffer.h"
 #include <drm/i915_drm.h>
 #include "i915_drv.h"
 
diff --git a/drivers/gpu/drm/i915/intel_frontbuffer.c b/drivers/gpu/drm/i915/intel_frontbuffer.c
index ac85357010b4..b83a70016b12 100644
--- a/drivers/gpu/drm/i915/intel_frontbuffer.c
+++ b/drivers/gpu/drm/i915/intel_frontbuffer.c
@@ -63,6 +63,7 @@
 #include <drm/drmP.h>
 
 #include "intel_drv.h"
+#include "intel_frontbuffer.h"
 #include "i915_drv.h"
 
 /**
diff --git a/drivers/gpu/drm/i915/intel_frontbuffer.h b/drivers/gpu/drm/i915/intel_frontbuffer.h
new file mode 100644
index 000000000000..3d0061454bd5
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_frontbuffer.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2014-2016 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#ifndef __INTEL_FRONTBUFFER_H__
+#define __INTEL_FRONTBUFFER_H__
+
+struct drm_device;
+struct drm_i915_private;
+struct drm_i915_gem_object;
+
+void intel_fb_obj_invalidate(struct drm_i915_gem_object *obj,
+			     enum fb_op_origin origin);
+void intel_frontbuffer_flip_prepare(struct drm_device *dev,
+				    unsigned frontbuffer_bits);
+void intel_frontbuffer_flip_complete(struct drm_device *dev,
+				     unsigned frontbuffer_bits);
+void intel_frontbuffer_flip(struct drm_device *dev,
+			    unsigned frontbuffer_bits);
+void intel_fb_obj_flush(struct drm_i915_gem_object *obj, bool retire,
+			enum fb_op_origin origin);
+
+#endif /* __INTEL_FRONTBUFFER_H__ */
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index 217fefc49bf9..fd891fe16427 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -30,6 +30,7 @@
 #include "i915_drv.h"
 #include "i915_reg.h"
 #include "intel_drv.h"
+#include "intel_frontbuffer.h"
 
 /* Limits for overlay size. According to intel doc, the real limits are:
  * Y width: 4095, UV width (planar): 2047, Y height: 2047,
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 0de935ad01c2..e045295ef4af 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -36,6 +36,7 @@
 #include <drm/drm_atomic.h>
 #include <drm/drm_plane_helper.h>
 #include "intel_drv.h"
+#include "intel_frontbuffer.h"
 #include <drm/i915_drm.h>
 #include "i915_drv.h"