[PATCH 1/2] drm/exynos: split exynos_plane_dpms function

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The exynos_plane_dpms can cause misunderstanding as using dpms term
because it is irrelevant with dpms functionality of DRM. Split to
functions fit for the one purpose instead of DPMS flags.

Signed-off-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx>
---
 drivers/gpu/drm/exynos/exynos_drm_crtc.c  |  4 ++--
 drivers/gpu/drm/exynos/exynos_drm_plane.c | 38 +++++++++++++++++--------------
 drivers/gpu/drm/exynos/exynos_drm_plane.h |  3 ++-
 3 files changed, 25 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index a85c451..dac8f90 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -67,7 +67,7 @@ static void exynos_drm_crtc_commit(struct drm_crtc *crtc)
 	if (exynos_crtc->ops->commit)
 		exynos_crtc->ops->commit(exynos_crtc);
 
-	exynos_plane_dpms(crtc->primary, DRM_MODE_DPMS_ON);
+	exynos_plane_on(crtc->primary);
 }
 
 static bool
@@ -255,7 +255,7 @@ static int exynos_drm_crtc_set_property(struct drm_crtc *crtc,
 			exynos_drm_crtc_commit(crtc);
 			break;
 		case CRTC_MODE_BLANK:
-			exynos_plane_dpms(crtc->primary, DRM_MODE_DPMS_OFF);
+			exynos_plane_off(crtc->primary);
 			break;
 		default:
 			break;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index 358cff6..aa87d79 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -145,30 +145,34 @@ void exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc,
 		exynos_crtc->ops->win_mode_set(exynos_crtc, exynos_plane);
 }
 
-void exynos_plane_dpms(struct drm_plane *plane, int mode)
+void exynos_plane_on(struct drm_plane *plane)
 {
 	struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane);
 	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(plane->crtc);
 
-	if (mode == DRM_MODE_DPMS_ON) {
-		if (exynos_plane->enabled)
-			return;
+	if (exynos_plane->enabled)
+		return;
 
-		if (exynos_crtc->ops->win_enable)
-			exynos_crtc->ops->win_enable(exynos_crtc,
-						     exynos_plane->zpos);
+	if (exynos_crtc->ops->win_enable)
+		exynos_crtc->ops->win_enable(exynos_crtc,
+					     exynos_plane->zpos);
 
-		exynos_plane->enabled = true;
-	} else {
-		if (!exynos_plane->enabled)
-			return;
+	exynos_plane->enabled = true;
+}
 
-		if (exynos_crtc->ops->win_disable)
-			exynos_crtc->ops->win_disable(exynos_crtc,
-						      exynos_plane->zpos);
+void exynos_plane_off(struct drm_plane *plane)
+{
+	struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane);
+	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(plane->crtc);
 
-		exynos_plane->enabled = false;
-	}
+	if (!exynos_plane->enabled)
+		return;
+
+	if (exynos_crtc->ops->win_disable)
+		exynos_crtc->ops->win_disable(exynos_crtc,
+					      exynos_plane->zpos);
+
+	exynos_plane->enabled = false;
 }
 
 int
@@ -199,7 +203,7 @@ exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 
 static int exynos_disable_plane(struct drm_plane *plane)
 {
-	exynos_plane_dpms(plane, DRM_MODE_DPMS_OFF);
+	exynos_plane_off(plane);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.h b/drivers/gpu/drm/exynos/exynos_drm_plane.h
index 59d4075..c778295 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.h
@@ -20,7 +20,8 @@ int exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
 			unsigned int crtc_w, unsigned int crtc_h,
 			uint32_t src_x, uint32_t src_y,
 			uint32_t src_w, uint32_t src_h);
-void exynos_plane_dpms(struct drm_plane *plane, int mode);
+void exynos_plane_on(struct drm_plane *plane);
+void exynos_plane_off(struct drm_plane *plane);
 struct drm_plane *exynos_plane_init(struct drm_device *dev,
 				    unsigned long possible_crtcs,
 				    enum drm_plane_type type);
-- 
1.9.1

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