1 files changed, 0 insertions, 36 deletions

diff --git a/drivers/gpu/drm/exynos/exynos7_drm_decon.c b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
index 805aa28c1723..b8d9b7251319 100644
--- a/drivers/gpu/drm/exynos/exynos7_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
@@ -69,7 +69,6 @@ struct decon_context {
 	void __iomem			*regs;
 	unsigned long			irq_flags;
 	bool				i80_if;
-	bool				suspended;
 	wait_queue_head_t		wait_vsync_queue;
 	atomic_t			wait_vsync_event;
 
@@ -132,9 +131,6 @@ static void decon_shadow_protect_win(struct decon_context *ctx,
 
 static void decon_wait_for_vblank(struct decon_context *ctx)
 {
-	if (ctx->suspended)
-		return;
-
 	atomic_set(&ctx->wait_vsync_event, 1);
 
 	/*
@@ -210,9 +206,6 @@ static void decon_commit(struct exynos_drm_crtc *crtc)
 	struct drm_display_mode *mode = &crtc->base.state->adjusted_mode;
 	u32 val, clkdiv;
 
-	if (ctx->suspended)
-		return;
-
 	/* nothing to do if we haven't set the mode yet */
 	if (mode->htotal == 0 || mode->vtotal == 0)
 		return;
@@ -274,9 +267,6 @@ static int decon_enable_vblank(struct exynos_drm_crtc *crtc)
 	struct decon_context *ctx = crtc->ctx;
 	u32 val;
 
-	if (ctx->suspended)
-		return -EPERM;
-
 	if (!test_and_set_bit(0, &ctx->irq_flags)) {
 		val = readl(ctx->regs + VIDINTCON0);
 
@@ -299,9 +289,6 @@ static void decon_disable_vblank(struct exynos_drm_crtc *crtc)
 	struct decon_context *ctx = crtc->ctx;
 	u32 val;
 
-	if (ctx->suspended)
-		return;
-
 	if (test_and_clear_bit(0, &ctx->irq_flags)) {
 		val = readl(ctx->regs + VIDINTCON0);
 
@@ -404,9 +391,6 @@ static void decon_atomic_begin(struct exynos_drm_crtc *crtc)
 	struct decon_context *ctx = crtc->ctx;
 	int i;
 
-	if (ctx->suspended)
-		return;
-
 	for (i = 0; i < WINDOWS_NR; i++)
 		decon_shadow_protect_win(ctx, i, true);
 }
@@ -427,9 +411,6 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc,
 	unsigned int pitch = fb->pitches[0];
 	unsigned int vidw_addr0_base = ctx->data->vidw_buf_start_base;
 
-	if (ctx->suspended)
-		return;
-
 	/*
 	 * SHADOWCON/PRTCON register is used for enabling timing.
 	 *
@@ -517,9 +498,6 @@ static void decon_disable_plane(struct exynos_drm_crtc *crtc,
 	unsigned int win = plane->index;
 	u32 val;
 
-	if (ctx->suspended)
-		return;
-
 	/* protect windows */
 	decon_shadow_protect_win(ctx, win, true);
 
@@ -538,9 +516,6 @@ static void decon_atomic_flush(struct exynos_drm_crtc *crtc)
 	struct decon_context *ctx = crtc->ctx;
 	int i;
 
-	if (ctx->suspended)
-		return;
-
 	for (i = 0; i < WINDOWS_NR; i++)
 		decon_shadow_protect_win(ctx, i, false);
 	exynos_crtc_handle_event(crtc);
@@ -568,9 +543,6 @@ static void decon_atomic_enable(struct exynos_drm_crtc *crtc)
 	struct decon_context *ctx = crtc->ctx;
 	int ret;
 
-	if (!ctx->suspended)
-		return;
-
 	ret = pm_runtime_resume_and_get(ctx->dev);
 	if (ret < 0) {
 		DRM_DEV_ERROR(ctx->dev, "failed to enable DECON device.\n");
@@ -584,8 +556,6 @@ static void decon_atomic_enable(struct exynos_drm_crtc *crtc)
 		decon_enable_vblank(ctx->crtc);
 
 	decon_commit(ctx->crtc);
-
-	ctx->suspended = false;
 }
 
 static void decon_atomic_disable(struct exynos_drm_crtc *crtc)
@@ -593,9 +563,6 @@ static void decon_atomic_disable(struct exynos_drm_crtc *crtc)
 	struct decon_context *ctx = crtc->ctx;
 	int i;
 
-	if (ctx->suspended)
-		return;
-
 	/*
 	 * We need to make sure that all windows are disabled before we
 	 * suspend that connector. Otherwise we might try to scan from
@@ -605,8 +572,6 @@ static void decon_atomic_disable(struct exynos_drm_crtc *crtc)
 		decon_disable_plane(crtc, &ctx->planes[i]);
 
 	pm_runtime_put_sync(ctx->dev);
-
-	ctx->suspended = true;
 }
 
 static const struct exynos_drm_crtc_ops decon_crtc_ops = {
@@ -727,7 +692,6 @@ static int decon_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	ctx->dev = dev;
-	ctx->suspended = true;
 	ctx->data = of_device_get_match_data(dev);
 
 	i80_if_timings = of_get_child_by_name(dev->of_node, "i80-if-timings");