[PATCH 1/4] drm: Move drm_format_num_planes() to drm_crtc.c

[ville.syrjala at linux.intel.com]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

There will be a need for this function in drm_crtc.c later. This
avoids making drm_crtc.c depend on drm_crtc_helper.c.

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/drm_crtc.c        |   32 ++++++++++++++++++++++++++++++++
 drivers/gpu/drm/drm_crtc_helper.c |   33 ---------------------------------
 include/drm/drm_crtc.h            |    2 ++
 include/drm/drm_crtc_helper.h     |    2 --
 4 files changed, 34 insertions(+), 35 deletions(-)

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index d2d9dc5..a99558e 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -3454,3 +3454,35 @@ void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
 	}
 }
 EXPORT_SYMBOL(drm_fb_get_bpp_depth);
+
+/**
+ * drm_format_num_planes - get the number of planes for format
+ * @format: pixel format (DRM_FORMAT_*)
+ *
+ * RETURNS:
+ * The number of planes used by the specified pixel format.
+ */
+int drm_format_num_planes(uint32_t format)
+{
+	switch (format) {
+	case DRM_FORMAT_YUV410:
+	case DRM_FORMAT_YVU410:
+	case DRM_FORMAT_YUV411:
+	case DRM_FORMAT_YVU411:
+	case DRM_FORMAT_YUV420:
+	case DRM_FORMAT_YVU420:
+	case DRM_FORMAT_YUV422:
+	case DRM_FORMAT_YVU422:
+	case DRM_FORMAT_YUV444:
+	case DRM_FORMAT_YVU444:
+		return 3;
+	case DRM_FORMAT_NV12:
+	case DRM_FORMAT_NV21:
+	case DRM_FORMAT_NV16:
+	case DRM_FORMAT_NV61:
+		return 2;
+	default:
+		return 1;
+	}
+}
+EXPORT_SYMBOL(drm_format_num_planes);
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index d9d6684..dc65e81 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -1017,36 +1017,3 @@ void drm_helper_hpd_irq_event(struct drm_device *dev)
 		queue_delayed_work(system_nrt_wq, &dev->mode_config.output_poll_work, 0);
 }
 EXPORT_SYMBOL(drm_helper_hpd_irq_event);
-
-
-/**
- * drm_format_num_planes - get the number of planes for format
- * @format: pixel format (DRM_FORMAT_*)
- *
- * RETURNS:
- * The number of planes used by the specified pixel format.
- */
-int drm_format_num_planes(uint32_t format)
-{
-	switch (format) {
-	case DRM_FORMAT_YUV410:
-	case DRM_FORMAT_YVU410:
-	case DRM_FORMAT_YUV411:
-	case DRM_FORMAT_YVU411:
-	case DRM_FORMAT_YUV420:
-	case DRM_FORMAT_YVU420:
-	case DRM_FORMAT_YUV422:
-	case DRM_FORMAT_YVU422:
-	case DRM_FORMAT_YUV444:
-	case DRM_FORMAT_YVU444:
-		return 3;
-	case DRM_FORMAT_NV12:
-	case DRM_FORMAT_NV21:
-	case DRM_FORMAT_NV16:
-	case DRM_FORMAT_NV61:
-		return 2;
-	default:
-		return 1;
-	}
-}
-EXPORT_SYMBOL(drm_format_num_planes);
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 9595c2c..697c072 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -1023,4 +1023,6 @@ extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
 
 extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
 				 int *bpp);
+extern int drm_format_num_planes(uint32_t format);
+
 #endif /* __DRM_CRTC_H__ */
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index 37515d1..3add00e 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -145,6 +145,4 @@ extern void drm_helper_hpd_irq_event(struct drm_device *dev);
 extern void drm_kms_helper_poll_disable(struct drm_device *dev);
 extern void drm_kms_helper_poll_enable(struct drm_device *dev);
 
-extern int drm_format_num_planes(uint32_t format);
-
 #endif
-- 
1.7.3.4