[PATCH RFC 2/6] drm/vkms: Extract vkms_writeback header

[Louis Chauvet <louis.chauvet@xxxxxxxxxxx>]

The vkms writeback functions are defined in a different .c, so
make the same thing for the function declaration in the headers and create
vkms_writeback.h.

Signed-off-by: Louis Chauvet <louis.chauvet@xxxxxxxxxxx>
---
 drivers/gpu/drm/vkms/vkms_composer.c  |  1 +
 drivers/gpu/drm/vkms/vkms_drv.h       | 10 ----------
 drivers/gpu/drm/vkms/vkms_formats.c   |  2 +-
 drivers/gpu/drm/vkms/vkms_output.c    |  2 ++
 drivers/gpu/drm/vkms/vkms_writeback.c |  2 ++
 drivers/gpu/drm/vkms/vkms_writeback.h | 20 ++++++++++++++++++++
 6 files changed, 26 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/vkms/vkms_composer.c b/drivers/gpu/drm/vkms/vkms_composer.c
index f0cae142ac22..825011f696ee 100644
--- a/drivers/gpu/drm/vkms/vkms_composer.c
+++ b/drivers/gpu/drm/vkms/vkms_composer.c
@@ -12,6 +12,7 @@
 #include <linux/minmax.h>
 
 #include "vkms_drv.h"
+#include "vkms_writeback.h"
 
 static u16 pre_mul_blend_channel(u16 src, u16 dst, u16 alpha)
 {
diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h
index 0db443924a15..46daa2fab6e8 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.h
+++ b/drivers/gpu/drm/vkms/vkms_drv.h
@@ -46,13 +46,6 @@ struct vkms_frame_info {
 };
 
 
-struct vkms_writeback_job {
-	struct iosys_map data[DRM_FORMAT_MAX_PLANES];
-	struct vkms_frame_info wb_frame_info;
-	pixel_write_line_t pixel_write;
-};
-
-
 struct vkms_plane_state;
 
 
@@ -225,7 +218,4 @@ int vkms_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
 void vkms_composer_worker(struct work_struct *work);
 void vkms_set_composer(struct vkms_output *out, bool enabled);
 
-/* Writeback */
-int vkms_enable_writeback_connector(struct vkms_device *vkmsdev);
-
 #endif /* _VKMS_DRV_H_ */
diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkms_formats.c
index 5ab84801d8da..cbfa7943e948 100644
--- a/drivers/gpu/drm/vkms/vkms_formats.c
+++ b/drivers/gpu/drm/vkms/vkms_formats.c
@@ -11,7 +11,7 @@
 
 #include <kunit/visibility.h>
 
-#include "vkms_drv.h"
+#include "vkms_writeback.h"
 #include "vkms_formats.h"
 
 /**
diff --git a/drivers/gpu/drm/vkms/vkms_output.c b/drivers/gpu/drm/vkms/vkms_output.c
index 36db2c8923cb..0c55682337a4 100644
--- a/drivers/gpu/drm/vkms/vkms_output.c
+++ b/drivers/gpu/drm/vkms/vkms_output.c
@@ -5,6 +5,8 @@
 #include <drm/drm_edid.h>
 #include <drm/drm_probe_helper.h>
 
+#include "vkms_writeback.h"
+
 static const struct drm_connector_funcs vkms_connector_funcs = {
 	.fill_modes = drm_helper_probe_single_connector_modes,
 	.destroy = drm_connector_cleanup,
diff --git a/drivers/gpu/drm/vkms/vkms_writeback.c b/drivers/gpu/drm/vkms/vkms_writeback.c
index 7e0302c0830c..4a830a4c4d64 100644
--- a/drivers/gpu/drm/vkms/vkms_writeback.c
+++ b/drivers/gpu/drm/vkms/vkms_writeback.c
@@ -10,8 +10,10 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_gem_framebuffer_helper.h>
 #include <drm/drm_gem_shmem_helper.h>
+#include <drm/drm_framebuffer.h>
 
 #include "vkms_drv.h"
+#include "vkms_writeback.h"
 #include "vkms_formats.h"
 
 static const u32 vkms_wb_formats[] = {
diff --git a/drivers/gpu/drm/vkms/vkms_writeback.h b/drivers/gpu/drm/vkms/vkms_writeback.h
new file mode 100644
index 000000000000..70f0c4c26c23
--- /dev/null
+++ b/drivers/gpu/drm/vkms/vkms_writeback.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+
+#ifndef _VKMS_WRITEBACK_H
+#define _VKMS_WRITEBACK_H
+
+#include "vkms_drv.h"
+#include "vkms_formats.h"
+
+struct vkms_crtc;
+
+struct vkms_writeback_job {
+	struct iosys_map data[DRM_FORMAT_MAX_PLANES];
+	struct vkms_frame_info wb_frame_info;
+	pixel_write_line_t pixel_write;
+};
+
+/* Writeback */
+int vkms_enable_writeback_connector(struct vkms_device *vkmsdev);
+
+#endif //_VKMS_WRITEBACK_H

-- 
2.44.2