---

yaml --- r: 331762 b: refs/heads/master c: 3d05859 h: refs/heads/master v: v3
git-mirror · Oct 4, 2012 · 674604f · 674604f
1 parent 61c69db
commit 674604f
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Showing 4 changed files with 26 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 479cbc3eeed060879dc89652e497d7719f7ee1dc
+refs/heads/master: 3d05859fd78bbc0b04cca929aea494f5e6b8235b
diff --git a/trunk/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/trunk/drivers/gpu/drm/exynos/exynos_drm_hdmi.c
@@ -274,10 +274,21 @@ static void drm_mixer_disable(struct device *subdrv_dev, int zpos)
 	ctx->enabled[win] = false;
 }
 
+static void drm_mixer_wait_for_vblank(struct device *subdrv_dev)
+{
+	struct drm_hdmi_context *ctx = to_context(subdrv_dev);
+
+	DRM_DEBUG_KMS("%s\n", __FILE__);
+
+	if (mixer_ops && mixer_ops->wait_for_vblank)
+		mixer_ops->wait_for_vblank(ctx->mixer_ctx->ctx);
+}
+
 static struct exynos_drm_overlay_ops drm_hdmi_overlay_ops = {
 	.mode_set = drm_mixer_mode_set,
 	.commit = drm_mixer_commit,
 	.disable = drm_mixer_disable,
+	.wait_for_vblank = drm_mixer_wait_for_vblank,
 };
 
 static struct exynos_drm_manager hdmi_manager = {

diff --git a/trunk/drivers/gpu/drm/exynos/exynos_drm_hdmi.h b/trunk/drivers/gpu/drm/exynos/exynos_drm_hdmi.h
@@ -67,6 +67,7 @@ struct exynos_mixer_ops {
 	void (*dpms)(void *ctx, int mode);
 
 	/* overlay */
+	void (*wait_for_vblank)(void *ctx);
 	void (*win_mode_set)(void *ctx, struct exynos_drm_overlay *overlay);
 	void (*win_commit)(void *ctx, int zpos);
 	void (*win_disable)(void *ctx, int zpos);

diff --git a/trunk/drivers/gpu/drm/exynos/exynos_mixer.c b/trunk/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -726,6 +726,18 @@ static void mixer_dpms(void *ctx, int mode)
 	}
 }
 
+static void mixer_wait_for_vblank(void *ctx)
+{
+	struct mixer_context *mixer_ctx = ctx;
+	struct mixer_resources *res = &mixer_ctx->mixer_res;
+	int ret;
+
+	ret = wait_for((mixer_reg_read(res, MXR_INT_STATUS) &
+				MXR_INT_STATUS_VSYNC), 50);
+	if (ret < 0)
+		DRM_DEBUG_KMS("vblank wait timed out.\n");
+}
+
 static void mixer_win_mode_set(void *ctx,
 			      struct exynos_drm_overlay *overlay)
 {
@@ -818,6 +830,7 @@ static struct exynos_mixer_ops mixer_ops = {
 	.dpms			= mixer_dpms,
 
 	/* overlay */
+	.wait_for_vblank	= mixer_wait_for_vblank,
 	.win_mode_set		= mixer_win_mode_set,
 	.win_commit		= mixer_win_commit,
 	.win_disable		= mixer_win_disable,