[PATCH 12/23] drm/exynos: don't track enabled state at exynos_crtc

[Gustavo Padovan <gustavo@xxxxxxxxxxx>]

From: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>

struct drm_crtc already stores the enabled state of the crtc
thus we don't need to replicate enabled in exynos_drm_crtc.

Signed-off-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/exynos/exynos_drm_crtc.c | 16 ----------------
 drivers/gpu/drm/exynos/exynos_drm_drv.h  |  1 -
 2 files changed, 17 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index e9c291f..88a50b7 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -26,14 +26,9 @@ static void exynos_drm_crtc_enable(struct drm_crtc *crtc)
 {
 	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
 
-	if (exynos_crtc->enabled)
-		return;
-
 	if (exynos_crtc->ops->enable)
 		exynos_crtc->ops->enable(exynos_crtc);
 
-	exynos_crtc->enabled = true;
-
 	drm_crtc_vblank_on(crtc);
 }
 
@@ -41,9 +36,6 @@ static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
 {
 	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
 
-	if (!exynos_crtc->enabled)
-		return;
-
 	/* wait for the completion of page flip. */
 	if (!wait_event_timeout(exynos_crtc->pending_flip_queue,
 				(exynos_crtc->event == NULL), HZ/20))
@@ -53,8 +45,6 @@ static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
 
 	if (exynos_crtc->ops->disable)
 		exynos_crtc->ops->disable(exynos_crtc);
-
-	exynos_crtc->enabled = false;
 }
 
 static bool
@@ -171,9 +161,6 @@ int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int pipe)
 	struct exynos_drm_crtc *exynos_crtc =
 		to_exynos_crtc(private->crtc[pipe]);
 
-	if (!exynos_crtc->enabled)
-		return -EPERM;
-
 	if (exynos_crtc->ops->enable_vblank)
 		exynos_crtc->ops->enable_vblank(exynos_crtc);
 
@@ -186,9 +173,6 @@ void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int pipe)
 	struct exynos_drm_crtc *exynos_crtc =
 		to_exynos_crtc(private->crtc[pipe]);
 
-	if (!exynos_crtc->enabled)
-		return;
-
 	if (exynos_crtc->ops->disable_vblank)
 		exynos_crtc->ops->disable_vblank(exynos_crtc);
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index a729ea8..e20b187 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -184,7 +184,6 @@ struct exynos_drm_crtc {
 	struct drm_crtc			base;
 	enum exynos_drm_output_type	type;
 	unsigned int			pipe;
-	bool				enabled;
 	wait_queue_head_t		pending_flip_queue;
 	struct drm_pending_vblank_event	*event;
 	const struct exynos_drm_crtc_ops	*ops;
-- 
2.1.0

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