drm/exynos: Merge overlay_ops into manager_ops

This patch merges overlay_ops into manager_ops. In all cases,
overlay_ops is implemented in the same place as manager ops, it doesn't
serve a functional purpose, and doesn't make things more clear.

Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

6 files changed, 55 insertions, 82 deletions

diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index eaa19668bf0..6f318394d05 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -54,22 +54,6 @@ enum exynos_drm_output_type {
 };
 
 /*
- * Exynos drm overlay ops structure.
- *
- * @mode_set: copy drm overlay info to hw specific overlay info.
- * @commit: apply hardware specific overlay data to registers.
- * @enable: enable hardware specific overlay.
- * @disable: disable hardware specific overlay.
- */
-struct exynos_drm_overlay_ops {
-	void (*mode_set)(struct device *subdrv_dev,
-			 struct exynos_drm_overlay *overlay);
-	void (*commit)(struct device *subdrv_dev, int zpos);
-	void (*enable)(struct device *subdrv_dev, int zpos);
-	void (*disable)(struct device *subdrv_dev, int zpos);
-};
-
-/*
  * Exynos drm common overlay structure.
  *
  * @fb_x: offset x on a framebuffer to be displayed.
@@ -169,6 +153,10 @@ struct exynos_drm_display_ops {
  * @disable_vblank: specific driver callback for disabling vblank interrupt.
  * @wait_for_vblank: wait for vblank interrupt to make sure that
  *	hardware overlay is updated.
+ * @win_mode_set: copy drm overlay info to hw specific overlay info.
+ * @win_commit: apply hardware specific overlay data to registers.
+ * @win_enable: enable hardware specific overlay.
+ * @win_disable: disable hardware specific overlay.
  */
 struct exynos_drm_manager_ops {
 	void (*dpms)(struct device *subdrv_dev, int mode);
@@ -184,6 +172,11 @@ struct exynos_drm_manager_ops {
 	int (*enable_vblank)(struct device *subdrv_dev);
 	void (*disable_vblank)(struct device *subdrv_dev);
 	void (*wait_for_vblank)(struct device *subdrv_dev);
+	void (*win_mode_set)(struct device *subdrv_dev,
+				struct exynos_drm_overlay *overlay);
+	void (*win_commit)(struct device *subdrv_dev, int zpos);
+	void (*win_enable)(struct device *subdrv_dev, int zpos);
+	void (*win_disable)(struct device *subdrv_dev, int zpos);
 };
 
 /*
@@ -195,9 +188,6 @@ struct exynos_drm_manager_ops {
  * @ops: pointer to callbacks for exynos drm specific framebuffer.
  *	these callbacks should be set by specific drivers such fimd
  *	or hdmi driver and are used to control hardware global registers.
- * @overlay_ops: pointer to callbacks for exynos drm specific framebuffer.
- *	these callbacks should be set by specific drivers such fimd
- *	or hdmi driver and are used to control hardware overlay reigsters.
  * @display: pointer to callbacks for exynos drm specific framebuffer.
  *	these callbacks should be set by specific drivers such fimd
  *	or hdmi driver and are used to control display devices such as
@@ -207,7 +197,6 @@ struct exynos_drm_manager {
 	struct device *dev;
 	int pipe;
 	struct exynos_drm_manager_ops *ops;
-	struct exynos_drm_overlay_ops *overlay_ops;
 	struct exynos_drm_display_ops *display_ops;
 };
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
index 06f1b2a09da..c255341ed17 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c
@@ -133,7 +133,7 @@ static void disable_plane_to_crtc(struct drm_device *dev,
 			 *
 			 * plane->funcs->disable_plane call checks
 			 * if encoder->crtc is same as plane->crtc and if same
-			 * then overlay_ops->disable callback will be called
+			 * then manager_ops->win_disable callback will be called
 			 * to diasble current hw overlay so plane->crtc should
 			 * have new_crtc because new_crtc was set to
 			 * encoder->crtc in advance.
@@ -442,51 +442,51 @@ void exynos_drm_encoder_plane_mode_set(struct drm_encoder *encoder, void *data)
 {
 	struct exynos_drm_manager *manager =
 		to_exynos_encoder(encoder)->manager;
-	struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+	struct exynos_drm_manager_ops *manager_ops = manager->ops;
 	struct exynos_drm_overlay *overlay = data;
 
-	if (overlay_ops && overlay_ops->mode_set)
-		overlay_ops->mode_set(manager->dev, overlay);
+	if (manager_ops && manager_ops->win_mode_set)
+		manager_ops->win_mode_set(manager->dev, overlay);
 }
 
 void exynos_drm_encoder_plane_commit(struct drm_encoder *encoder, void *data)
 {
 	struct exynos_drm_manager *manager =
 		to_exynos_encoder(encoder)->manager;
-	struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+	struct exynos_drm_manager_ops *manager_ops = manager->ops;
 	int zpos = DEFAULT_ZPOS;
 
 	if (data)
 		zpos = *(int *)data;
 
-	if (overlay_ops && overlay_ops->commit)
-		overlay_ops->commit(manager->dev, zpos);
+	if (manager_ops && manager_ops->win_commit)
+		manager_ops->win_commit(manager->dev, zpos);
 }
 
 void exynos_drm_encoder_plane_enable(struct drm_encoder *encoder, void *data)
 {
 	struct exynos_drm_manager *manager =
 		to_exynos_encoder(encoder)->manager;
-	struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+	struct exynos_drm_manager_ops *manager_ops = manager->ops;
 	int zpos = DEFAULT_ZPOS;
 
 	if (data)
 		zpos = *(int *)data;
 
-	if (overlay_ops && overlay_ops->enable)
-		overlay_ops->enable(manager->dev, zpos);
+	if (manager_ops && manager_ops->win_enable)
+		manager_ops->win_enable(manager->dev, zpos);
 }
 
 void exynos_drm_encoder_plane_disable(struct drm_encoder *encoder, void *data)
 {
 	struct exynos_drm_manager *manager =
 		to_exynos_encoder(encoder)->manager;
-	struct exynos_drm_overlay_ops *overlay_ops = manager->overlay_ops;
+	struct exynos_drm_manager_ops *manager_ops = manager->ops;
 	int zpos = DEFAULT_ZPOS;
 
 	if (data)
 		zpos = *(int *)data;
 
-	if (overlay_ops && overlay_ops->disable)
-		overlay_ops->disable(manager->dev, zpos);
+	if (manager_ops && manager_ops->win_disable)
+		manager_ops->win_disable(manager->dev, zpos);
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 03613ed787e..1bd588ec4ee 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -215,14 +215,13 @@ static void fimd_apply(struct device *subdrv_dev)
 	struct fimd_context *ctx = get_fimd_context(subdrv_dev);
 	struct exynos_drm_manager *mgr = ctx->subdrv.manager;
 	struct exynos_drm_manager_ops *mgr_ops = mgr->ops;
-	struct exynos_drm_overlay_ops *ovl_ops = mgr->overlay_ops;
 	struct fimd_win_data *win_data;
 	int i;
 
 	for (i = 0; i < WINDOWS_NR; i++) {
 		win_data = &ctx->win_data[i];
-		if (win_data->enabled && (ovl_ops && ovl_ops->commit))
-			ovl_ops->commit(subdrv_dev, i);
+		if (win_data->enabled && (mgr_ops && mgr_ops->win_commit))
+			mgr_ops->win_commit(subdrv_dev, i);
 	}
 
 	if (mgr_ops && mgr_ops->commit)
@@ -666,12 +665,6 @@ static void fimd_win_disable(struct device *dev, int zpos)
 	win_data->enabled = false;
 }
 
-static struct exynos_drm_overlay_ops fimd_overlay_ops = {
-	.mode_set = fimd_win_mode_set,
-	.commit = fimd_win_commit,
-	.disable = fimd_win_disable,
-};
-
 static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
 {
 	struct fimd_context *ctx = (struct fimd_context *)dev_id;
@@ -924,12 +917,14 @@ static struct exynos_drm_manager_ops fimd_manager_ops = {
 	.enable_vblank = fimd_enable_vblank,
 	.disable_vblank = fimd_disable_vblank,
 	.wait_for_vblank = fimd_wait_for_vblank,
+	.win_mode_set = fimd_win_mode_set,
+	.win_commit = fimd_win_commit,
+	.win_disable = fimd_win_disable,
 };
 
 static struct exynos_drm_manager fimd_manager = {
 	.pipe		= -1,
 	.ops		= &fimd_manager_ops,
-	.overlay_ops	= &fimd_overlay_ops,
 	.display_ops	= &fimd_display_ops,
 };
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
index d7c23e2d017..084a4a21490 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -284,19 +284,7 @@ static void drm_hdmi_apply(struct device *subdrv_dev)
 		hdmi_ops->commit(ctx->hdmi_ctx->ctx);
 }
 
-static struct exynos_drm_manager_ops drm_hdmi_manager_ops = {
-	.dpms = drm_hdmi_dpms,
-	.apply = drm_hdmi_apply,
-	.enable_vblank = drm_hdmi_enable_vblank,
-	.disable_vblank = drm_hdmi_disable_vblank,
-	.wait_for_vblank = drm_hdmi_wait_for_vblank,
-	.mode_fixup = drm_hdmi_mode_fixup,
-	.mode_set = drm_hdmi_mode_set,
-	.get_max_resol = drm_hdmi_get_max_resol,
-	.commit = drm_hdmi_commit,
-};
-
-static void drm_mixer_mode_set(struct device *subdrv_dev,
+static void drm_mixer_win_mode_set(struct device *subdrv_dev,
 		struct exynos_drm_overlay *overlay)
 {
 	struct drm_hdmi_context *ctx = to_context(subdrv_dev);
@@ -305,7 +293,7 @@ static void drm_mixer_mode_set(struct device *subdrv_dev,
 		mixer_ops->win_mode_set(ctx->mixer_ctx->ctx, overlay);
 }
 
-static void drm_mixer_commit(struct device *subdrv_dev, int zpos)
+static void drm_mixer_win_commit(struct device *subdrv_dev, int zpos)
 {
 	struct drm_hdmi_context *ctx = to_context(subdrv_dev);
 	int win = (zpos == DEFAULT_ZPOS) ? MIXER_DEFAULT_WIN : zpos;
@@ -321,7 +309,7 @@ static void drm_mixer_commit(struct device *subdrv_dev, int zpos)
 	ctx->enabled[win] = true;
 }
 
-static void drm_mixer_disable(struct device *subdrv_dev, int zpos)
+static void drm_mixer_win_disable(struct device *subdrv_dev, int zpos)
 {
 	struct drm_hdmi_context *ctx = to_context(subdrv_dev);
 	int win = (zpos == DEFAULT_ZPOS) ? MIXER_DEFAULT_WIN : zpos;
@@ -337,16 +325,24 @@ static void drm_mixer_disable(struct device *subdrv_dev, int zpos)
 	ctx->enabled[win] = false;
 }
 
-static struct exynos_drm_overlay_ops drm_hdmi_overlay_ops = {
-	.mode_set = drm_mixer_mode_set,
-	.commit = drm_mixer_commit,
-	.disable = drm_mixer_disable,
+static struct exynos_drm_manager_ops drm_hdmi_manager_ops = {
+	.dpms = drm_hdmi_dpms,
+	.apply = drm_hdmi_apply,
+	.enable_vblank = drm_hdmi_enable_vblank,
+	.disable_vblank = drm_hdmi_disable_vblank,
+	.wait_for_vblank = drm_hdmi_wait_for_vblank,
+	.mode_fixup = drm_hdmi_mode_fixup,
+	.mode_set = drm_hdmi_mode_set,
+	.get_max_resol = drm_hdmi_get_max_resol,
+	.commit = drm_hdmi_commit,
+	.win_mode_set = drm_mixer_win_mode_set,
+	.win_commit = drm_mixer_win_commit,
+	.win_disable = drm_mixer_win_disable,
 };
 
 static struct exynos_drm_manager hdmi_manager = {
 	.pipe		= -1,
 	.ops		= &drm_hdmi_manager_ops,
-	.overlay_ops	= &drm_hdmi_overlay_ops,
 	.display_ops	= &drm_hdmi_display_ops,
 };
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 9cedae3c91a..538886fd12f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -189,14 +189,13 @@ static void vidi_apply(struct device *subdrv_dev)
 	struct vidi_context *ctx = get_vidi_context(subdrv_dev);
 	struct exynos_drm_manager *mgr = ctx->subdrv.manager;
 	struct exynos_drm_manager_ops *mgr_ops = mgr->ops;
-	struct exynos_drm_overlay_ops *ovl_ops = mgr->overlay_ops;
 	struct vidi_win_data *win_data;
 	int i;
 
 	for (i = 0; i < WINDOWS_NR; i++) {
 		win_data = &ctx->win_data[i];
-		if (win_data->enabled && (ovl_ops && ovl_ops->commit))
-			ovl_ops->commit(subdrv_dev, i);
+		if (win_data->enabled && (mgr_ops && mgr_ops->win_commit))
+			mgr_ops->win_commit(subdrv_dev, i);
 	}
 
 	if (mgr_ops && mgr_ops->commit)
@@ -226,7 +225,7 @@ static int vidi_enable_vblank(struct device *dev)
 	/*
 	 * in case of page flip request, vidi_finish_pageflip function
 	 * will not be called because direct_vblank is true and then
-	 * that function will be called by overlay_ops->commit callback
+	 * that function will be called by manager_ops->win_commit callback
 	 */
 	schedule_work(&ctx->work);
 
@@ -244,14 +243,6 @@ static void vidi_disable_vblank(struct device *dev)
 		ctx->vblank_on = false;
 }
 
-static struct exynos_drm_manager_ops vidi_manager_ops = {
-	.dpms = vidi_dpms,
-	.apply = vidi_apply,
-	.commit = vidi_commit,
-	.enable_vblank = vidi_enable_vblank,
-	.disable_vblank = vidi_disable_vblank,
-};
-
 static void vidi_win_mode_set(struct device *dev,
 			      struct exynos_drm_overlay *overlay)
 {
@@ -348,16 +339,20 @@ static void vidi_win_disable(struct device *dev, int zpos)
 	/* TODO. */
 }
 
-static struct exynos_drm_overlay_ops vidi_overlay_ops = {
-	.mode_set = vidi_win_mode_set,
-	.commit = vidi_win_commit,
-	.disable = vidi_win_disable,
+static struct exynos_drm_manager_ops vidi_manager_ops = {
+	.dpms = vidi_dpms,
+	.apply = vidi_apply,
+	.commit = vidi_commit,
+	.enable_vblank = vidi_enable_vblank,
+	.disable_vblank = vidi_disable_vblank,
+	.win_mode_set = vidi_win_mode_set,
+	.win_commit = vidi_win_commit,
+	.win_disable = vidi_win_disable,
 };
 
 static struct exynos_drm_manager vidi_manager = {
 	.pipe		= -1,
 	.ops		= &vidi_manager_ops,
-	.overlay_ops	= &vidi_overlay_ops,
 	.display_ops	= &vidi_display_ops,
 };
 
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 77facedbdfb..e769faf6321 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -958,8 +958,6 @@ static struct exynos_mixer_ops mixer_ops = {
 	.disable_vblank		= mixer_disable_vblank,
 	.wait_for_vblank	= mixer_wait_for_vblank,
 	.dpms			= mixer_dpms,
-
-	/* overlay */
 	.win_mode_set		= mixer_win_mode_set,
 	.win_commit		= mixer_win_commit,
 	.win_disable		= mixer_win_disable,