kernel-6.6/0609-Baikal-M-video-unit-driver.patch

Subject: [PATCH 609/625] Baikal-M: video unit driver

Update for 5.15.28

diff --git a/drivers/gpu/drm/baikal/baikal_vdu_encoder.c b/drivers/gpu/drm/baikal/baikal_vdu_encoder.c
new file mode 100644
--- /dev/null
+++ b/drivers/gpu/drm/baikal/baikal_vdu_encoder.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2019-2020 Baikal Electronics JSC
+ *
+ * Author: Pavel Parkhomenko <Pavel.Parkhomenko@baikalelectronics.ru>
+ *
+ * Parts of this file were based on sources as follows:
+ *
+ * Copyright (c) 2006-2008 Intel Corporation
+ * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
+ * Copyright (C) 2011 Texas Instruments
+ * (C) COPYRIGHT 2012-2013 ARM Limited. All rights reserved.
+ *
+ * This program is free software and is provided to you under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation, and any use by you of this program is subject to the terms of
+ * such GNU licence.
+ *
+ */
+
+/**
+ * baikal_vdu_encoder.c
+ * Implementation of the encoder functions for Baikal Electronics BE-M1000 VDU driver
+ */
+#include <linux/version.h>
+#include <linux/shmem_fs.h>
+#include <linux/dma-buf.h>
+
+#include <drm/drm_crtc_helper.h>
+
+#include "baikal_vdu_drm.h"
+
+const struct drm_encoder_funcs baikal_vdu_encoder_funcs = {
+	.destroy = drm_encoder_cleanup,
+};
+
+int baikal_vdu_encoder_init(struct drm_device *dev)
+{
+	struct baikal_vdu_private *priv = dev->dev_private;
+	struct drm_encoder *encoder = &priv->encoder;
+	int ret;
+
+	ret = drm_encoder_init(dev, encoder, &baikal_vdu_encoder_funcs,
+			       DRM_MODE_ENCODER_NONE, NULL);
+	if (ret)
+		return ret;
+
+	encoder->crtc = &priv->crtc;
+	encoder->possible_crtcs = BIT(drm_crtc_index(encoder->crtc));
+
+	return 0;
+}
diff --git a/drivers/gpu/drm/baikal/baikal_vdu_gem.c b/drivers/gpu/drm/baikal/baikal_vdu_gem.c
new file mode 100644
index 000000000000..b07566caf12c
--- /dev/null
+++ b/drivers/gpu/drm/baikal/baikal_vdu_gem.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2019-2020 Baikal Electronics JSC
+ *
+ * Author: Pavel Parkhomenko <Pavel.Parkhomenko@baikalelectronics.ru>
+ *
+ * Parts of this file were based on sources as follows:
+ *
+ * Copyright (c) 2006-2008 Intel Corporation
+ * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
+ * Copyright (C) 2011 Texas Instruments
+ * (C) COPYRIGHT 2012-2013 ARM Limited. All rights reserved.
+ *
+ * This program is free software and is provided to you under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation, and any use by you of this program is subject to the terms of
+ * such GNU licence.
+ *
+ */
+
+/**
+ * baikal_vdu_gem.c
+ * Implementation of the GEM functions for Baikal Electronics BE-M1000 VDU driver
+ */
+#include <linux/version.h>
+#include <linux/shmem_fs.h>
+#include <linux/dma-buf.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_gem_cma_helper.h>
+#include "baikal_vdu_drm.h"
+
+int baikal_vdu_dumb_create(struct drm_file *file_priv,
+		      struct drm_device *dev, struct drm_mode_create_dumb *args)
+{
+	args->pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
+
+	return drm_gem_cma_dumb_create_internal(file_priv, dev, args);
+}