fishHEADmaster

1 files changed, 80 insertions, 0 deletions

diff --git a/drivers/gpu/drm/udl/udl_encoder.c b/drivers/gpu/drm/udl/udl_encoder.c
new file mode 100644
index 0000000..4052c46
--- /dev/null
+++ b/drivers/gpu/drm/udl/udl_encoder.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2012 Red Hat
+ * based in parts on udlfb.c:
+ * Copyright (C) 2009 Roberto De Ioris <roberto@unbit.it>
+ * Copyright (C) 2009 Jaya Kumar <jayakumar.lkml@gmail.com>
+ * Copyright (C) 2009 Bernie Thompson <bernie@plugable.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License v2. See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include "udl_drv.h"
+
+/* dummy encoder */
+static void udl_enc_destroy(struct drm_encoder *encoder)
+{
+	drm_encoder_cleanup(encoder);
+	kfree(encoder);
+}
+
+static void udl_encoder_disable(struct drm_encoder *encoder)
+{
+}
+
+static bool udl_mode_fixup(struct drm_encoder *encoder,
+			   const struct drm_display_mode *mode,
+			   struct drm_display_mode *adjusted_mode)
+{
+	return true;
+}
+
+static void udl_encoder_prepare(struct drm_encoder *encoder)
+{
+}
+
+static void udl_encoder_commit(struct drm_encoder *encoder)
+{
+}
+
+static void udl_encoder_mode_set(struct drm_encoder *encoder,
+				 struct drm_display_mode *mode,
+				 struct drm_display_mode *adjusted_mode)
+{
+}
+
+static void
+udl_encoder_dpms(struct drm_encoder *encoder, int mode)
+{
+}
+
+static const struct drm_encoder_helper_funcs udl_helper_funcs = {
+	.dpms = udl_encoder_dpms,
+	.mode_fixup = udl_mode_fixup,
+	.prepare = udl_encoder_prepare,
+	.mode_set = udl_encoder_mode_set,
+	.commit = udl_encoder_commit,
+	.disable = udl_encoder_disable,
+};
+
+static const struct drm_encoder_funcs udl_enc_funcs = {
+	.destroy = udl_enc_destroy,
+};
+
+struct drm_encoder *udl_encoder_init(struct drm_device *dev)
+{
+	struct drm_encoder *encoder;
+
+	encoder = kzalloc(sizeof(struct drm_encoder), GFP_KERNEL);
+	if (!encoder)
+		return NULL;
+
+	drm_encoder_init(dev, encoder, &udl_enc_funcs, DRM_MODE_ENCODER_TMDS);
+	drm_encoder_helper_add(encoder, &udl_helper_funcs);
+	encoder->possible_crtcs = 1;
+	return encoder;
+}