[PATCH 3/7] drm/i915: Clarify sprite plane function names

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A few of the sprite-related function names in i915 are very similar
(intel_plane_disable() vs intel_disable_plane() or
intel_enable_planes() vs intel_crtc_enable_planes()) and don't make it
clear whether they only operate on sprite planes, or whether they also
apply to all universal plane types.  Rename a few functions to be more
consistent with our function naming for primary/cursor planes or to
clarify that they apply specifically to sprite planes:

 - s/intel_disable_plane/intel_sprite_plane_disable/
 - s/intel_disable_planes/intel_disable_sprite_planes/
 - s/intel_enable_planes/intel_enable_sprite_planes/

Also, drop the sprite-specific intel_destroy_plane() and just use
the type-agnostic intel_plane_destroy() function.  The extra 'disable'
call that intel_destroy_plane() did is unnecessary since the plane will
already be disabled due to framebuffer destruction by the point it gets
called.

Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
---
 drivers/gpu/drm/i915/intel_display.c | 12 ++++++------
 drivers/gpu/drm/i915/intel_drv.h     |  3 ++-
 drivers/gpu/drm/i915/intel_sprite.c  | 14 +++-----------
 3 files changed, 11 insertions(+), 18 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index c6598e9..52ca8c4 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4024,7 +4024,7 @@ static void ironlake_pfit_enable(struct intel_crtc *crtc)
 	}
 }
 
-static void intel_enable_planes(struct drm_crtc *crtc)
+static void intel_enable_sprite_planes(struct drm_crtc *crtc)
 {
 	struct drm_device *dev = crtc->dev;
 	enum pipe pipe = to_intel_crtc(crtc)->pipe;
@@ -4038,7 +4038,7 @@ static void intel_enable_planes(struct drm_crtc *crtc)
 	}
 }
 
-static void intel_disable_planes(struct drm_crtc *crtc)
+static void intel_disable_sprite_planes(struct drm_crtc *crtc)
 {
 	struct drm_device *dev = crtc->dev;
 	enum pipe pipe = to_intel_crtc(crtc)->pipe;
@@ -4182,7 +4182,7 @@ static void intel_crtc_enable_planes(struct drm_crtc *crtc)
 	int pipe = intel_crtc->pipe;
 
 	intel_enable_primary_hw_plane(crtc->primary, crtc);
-	intel_enable_planes(crtc);
+	intel_enable_sprite_planes(crtc);
 	intel_crtc_update_cursor(crtc, true);
 	intel_crtc_dpms_overlay(intel_crtc, true);
 
@@ -4217,7 +4217,7 @@ static void intel_crtc_disable_planes(struct drm_crtc *crtc)
 
 	intel_crtc_dpms_overlay(intel_crtc, false);
 	intel_crtc_update_cursor(crtc, false);
-	intel_disable_planes(crtc);
+	intel_disable_sprite_planes(crtc);
 	intel_disable_primary_hw_plane(crtc->primary, crtc);
 
 	/*
@@ -11744,7 +11744,7 @@ intel_primary_plane_setplane(struct drm_plane *plane, struct drm_crtc *crtc,
 }
 
 /* Common destruction function for both primary and cursor planes */
-static void intel_plane_destroy(struct drm_plane *plane)
+void intel_plane_destroy(struct drm_plane *plane)
 {
 	struct intel_plane *intel_plane = to_intel_plane(plane);
 	drm_plane_cleanup(plane);
@@ -13693,7 +13693,7 @@ void intel_plane_disable(struct drm_plane *plane)
 		intel_cursor_plane_disable(plane);
 		break;
 	case DRM_PLANE_TYPE_OVERLAY:
-		intel_disable_plane(plane);
+		intel_sprite_plane_disable(plane);
 		break;
 	default:
 		WARN(1, "Unknown plane type");
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index df1420b..4913b3f 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1181,6 +1181,7 @@ int intel_plane_set_property(struct drm_plane *plane,
 			     struct drm_property *prop,
 			     uint64_t val);
 int intel_plane_restore(struct drm_plane *plane);
+void intel_plane_destroy(struct drm_plane *plane);
 int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
 			      struct drm_file *file_priv);
 int intel_sprite_get_colorkey(struct drm_device *dev, void *data,
@@ -1188,7 +1189,7 @@ int intel_sprite_get_colorkey(struct drm_device *dev, void *data,
 bool intel_pipe_update_start(struct intel_crtc *crtc,
 			     uint32_t *start_vbl_count);
 void intel_pipe_update_end(struct intel_crtc *crtc, u32 start_vbl_count);
-int intel_disable_plane(struct drm_plane *plane);
+int intel_sprite_plane_disable(struct drm_plane *plane);
 
 /* intel_tv.c */
 void intel_tv_init(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 115acd3..9e6a72a 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1426,7 +1426,7 @@ intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 }
 
 int
-intel_disable_plane(struct drm_plane *plane)
+intel_sprite_plane_disable(struct drm_plane *plane)
 {
 	struct drm_device *dev = plane->dev;
 	struct intel_plane *intel_plane = to_intel_plane(plane);
@@ -1469,14 +1469,6 @@ intel_disable_plane(struct drm_plane *plane)
 	return 0;
 }
 
-static void intel_destroy_plane(struct drm_plane *plane)
-{
-	struct intel_plane *intel_plane = to_intel_plane(plane);
-	intel_disable_plane(plane);
-	drm_plane_cleanup(plane);
-	kfree(intel_plane);
-}
-
 int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
 			      struct drm_file *file_priv)
 {
@@ -1578,8 +1570,8 @@ int intel_plane_restore(struct drm_plane *plane)
 
 static const struct drm_plane_funcs intel_plane_funcs = {
 	.update_plane = intel_update_plane,
-	.disable_plane = intel_disable_plane,
-	.destroy = intel_destroy_plane,
+	.disable_plane = intel_sprite_plane_disable,
+	.destroy = intel_plane_destroy,
 	.set_property = intel_plane_set_property,
 };
 
-- 
1.8.5.1

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