media: platform: rename mtk-mdp/ to mediatek/mtk-mdp/

As the end goal is to have platform drivers split by vendor,
rename mtk-mdp/ to mediatek/mtk-mdp/.

Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

1 files changed, 0 insertions, 1229 deletions

diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c b/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c
deleted file mode 100644
index f14779e7596e..000000000000
--- a/drivers/media/platform/mtk-mdp/mtk_mdp_m2m.c
+++ /dev/null
@@ -1,1229 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2015-2016 MediaTek Inc.
- * Author: Houlong Wei <houlong.wei@mediatek.com>
- *         Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
- */
-
-#include <linux/device.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/pm_runtime.h>
-#include <linux/slab.h>
-#include <linux/workqueue.h>
-#include <media/v4l2-event.h>
-#include <media/v4l2-ioctl.h>
-
-#include "mtk_mdp_core.h"
-#include "mtk_mdp_m2m.h"
-#include "mtk_mdp_regs.h"
-#include "mtk_vpu.h"
-
-
-/**
- *  struct mtk_mdp_pix_limit - image pixel size limits
- *  @org_w: source pixel width
- *  @org_h: source pixel height
- *  @target_rot_dis_w: pixel dst scaled width with the rotator is off
- *  @target_rot_dis_h: pixel dst scaled height with the rotator is off
- *  @target_rot_en_w: pixel dst scaled width with the rotator is on
- *  @target_rot_en_h: pixel dst scaled height with the rotator is on
- */
-struct mtk_mdp_pix_limit {
-	u16 org_w;
-	u16 org_h;
-	u16 target_rot_dis_w;
-	u16 target_rot_dis_h;
-	u16 target_rot_en_w;
-	u16 target_rot_en_h;
-};
-
-static struct mtk_mdp_pix_align mtk_mdp_size_align = {
-	.org_w			= 16,
-	.org_h			= 16,
-	.target_w		= 2,
-	.target_h		= 2,
-};
-
-static const struct mtk_mdp_fmt mtk_mdp_formats[] = {
-	{
-		.pixelformat	= V4L2_PIX_FMT_MT21C,
-		.depth		= { 8, 4 },
-		.row_depth	= { 8, 8 },
-		.num_planes	= 2,
-		.num_comp	= 2,
-		.align		= &mtk_mdp_size_align,
-		.flags		= MTK_MDP_FMT_FLAG_OUTPUT,
-	}, {
-		.pixelformat	= V4L2_PIX_FMT_NV12M,
-		.depth		= { 8, 4 },
-		.row_depth	= { 8, 8 },
-		.num_planes	= 2,
-		.num_comp	= 2,
-		.flags		= MTK_MDP_FMT_FLAG_OUTPUT |
-				  MTK_MDP_FMT_FLAG_CAPTURE,
-	}, {
-		.pixelformat	= V4L2_PIX_FMT_YUV420M,
-		.depth		= { 8, 2, 2 },
-		.row_depth	= { 8, 4, 4 },
-		.num_planes	= 3,
-		.num_comp	= 3,
-		.flags		= MTK_MDP_FMT_FLAG_OUTPUT |
-				  MTK_MDP_FMT_FLAG_CAPTURE,
-	}, {
-		.pixelformat	= V4L2_PIX_FMT_YVU420,
-		.depth		= { 12 },
-		.row_depth	= { 8 },
-		.num_planes	= 1,
-		.num_comp	= 3,
-		.flags		= MTK_MDP_FMT_FLAG_OUTPUT |
-				  MTK_MDP_FMT_FLAG_CAPTURE,
-	}
-};
-
-static struct mtk_mdp_pix_limit mtk_mdp_size_max = {
-	.target_rot_dis_w	= 4096,
-	.target_rot_dis_h	= 4096,
-	.target_rot_en_w	= 4096,
-	.target_rot_en_h	= 4096,
-};
-
-static struct mtk_mdp_pix_limit mtk_mdp_size_min = {
-	.org_w			= 16,
-	.org_h			= 16,
-	.target_rot_dis_w	= 16,
-	.target_rot_dis_h	= 16,
-	.target_rot_en_w	= 16,
-	.target_rot_en_h	= 16,
-};
-
-/* align size for normal raster scan pixel format */
-static struct mtk_mdp_pix_align mtk_mdp_rs_align = {
-	.org_w			= 2,
-	.org_h			= 2,
-	.target_w		= 2,
-	.target_h		= 2,
-};
-
-static struct mtk_mdp_variant mtk_mdp_default_variant = {
-	.pix_max		= &mtk_mdp_size_max,
-	.pix_min		= &mtk_mdp_size_min,
-	.pix_align		= &mtk_mdp_rs_align,
-	.h_scale_up_max		= 32,
-	.v_scale_up_max		= 32,
-	.h_scale_down_max	= 32,
-	.v_scale_down_max	= 128,
-};
-
-static const struct mtk_mdp_fmt *mtk_mdp_find_fmt(u32 pixelformat, u32 type)
-{
-	u32 i, flag;
-
-	flag = V4L2_TYPE_IS_OUTPUT(type) ? MTK_MDP_FMT_FLAG_OUTPUT :
-					   MTK_MDP_FMT_FLAG_CAPTURE;
-
-	for (i = 0; i < ARRAY_SIZE(mtk_mdp_formats); ++i) {
-		if (!(mtk_mdp_formats[i].flags & flag))
-			continue;
-		if (mtk_mdp_formats[i].pixelformat == pixelformat)
-			return &mtk_mdp_formats[i];
-	}
-	return NULL;
-}
-
-static const struct mtk_mdp_fmt *mtk_mdp_find_fmt_by_index(u32 index, u32 type)
-{
-	u32 i, flag, num = 0;
-
-	flag = V4L2_TYPE_IS_OUTPUT(type) ? MTK_MDP_FMT_FLAG_OUTPUT :
-					   MTK_MDP_FMT_FLAG_CAPTURE;
-
-	for (i = 0; i < ARRAY_SIZE(mtk_mdp_formats); ++i) {
-		if (!(mtk_mdp_formats[i].flags & flag))
-			continue;
-		if (index == num)
-			return &mtk_mdp_formats[i];
-		num++;
-	}
-	return NULL;
-}
-
-static void mtk_mdp_bound_align_image(u32 *w, unsigned int wmin,
-				      unsigned int wmax, unsigned int align_w,
-				      u32 *h, unsigned int hmin,
-				      unsigned int hmax, unsigned int align_h)
-{
-	int org_w, org_h, step_w, step_h;
-	int walign, halign;
-
-	org_w = *w;
-	org_h = *h;
-	walign = ffs(align_w) - 1;
-	halign = ffs(align_h) - 1;
-	v4l_bound_align_image(w, wmin, wmax, walign, h, hmin, hmax, halign, 0);
-
-	step_w = 1 << walign;
-	step_h = 1 << halign;
-	if (*w < org_w && (*w + step_w) <= wmax)
-		*w += step_w;
-	if (*h < org_h && (*h + step_h) <= hmax)
-		*h += step_h;
-}
-
-static const struct mtk_mdp_fmt *mtk_mdp_try_fmt_mplane(struct mtk_mdp_ctx *ctx,
-							struct v4l2_format *f)
-{
-	struct mtk_mdp_dev *mdp = ctx->mdp_dev;
-	struct mtk_mdp_variant *variant = mdp->variant;
-	struct v4l2_pix_format_mplane *pix_mp = &f->fmt.pix_mp;
-	const struct mtk_mdp_fmt *fmt;
-	u32 max_w, max_h, align_w, align_h;
-	u32 min_w, min_h, org_w, org_h;
-	int i;
-
-	fmt = mtk_mdp_find_fmt(pix_mp->pixelformat, f->type);
-	if (!fmt)
-		fmt = mtk_mdp_find_fmt_by_index(0, f->type);
-	if (!fmt) {
-		dev_dbg(&ctx->mdp_dev->pdev->dev,
-			"pixelformat format 0x%X invalid\n",
-			pix_mp->pixelformat);
-		return NULL;
-	}
-
-	pix_mp->field = V4L2_FIELD_NONE;
-	pix_mp->pixelformat = fmt->pixelformat;
-	if (V4L2_TYPE_IS_CAPTURE(f->type)) {
-		pix_mp->colorspace = ctx->colorspace;
-		pix_mp->xfer_func = ctx->xfer_func;
-		pix_mp->ycbcr_enc = ctx->ycbcr_enc;
-		pix_mp->quantization = ctx->quant;
-	}
-
-	max_w = variant->pix_max->target_rot_dis_w;
-	max_h = variant->pix_max->target_rot_dis_h;
-
-	if (fmt->align == NULL) {
-		/* use default alignment */
-		align_w = variant->pix_align->org_w;
-		align_h = variant->pix_align->org_h;
-	} else {
-		align_w = fmt->align->org_w;
-		align_h = fmt->align->org_h;
-	}
-
-	if (V4L2_TYPE_IS_OUTPUT(f->type)) {
-		min_w = variant->pix_min->org_w;
-		min_h = variant->pix_min->org_h;
-	} else {
-		min_w = variant->pix_min->target_rot_dis_w;
-		min_h = variant->pix_min->target_rot_dis_h;
-	}
-
-	mtk_mdp_dbg(2, "[%d] type:%d, wxh:%ux%u, align:%ux%u, max:%ux%u",
-		    ctx->id, f->type, pix_mp->width, pix_mp->height,
-		    align_w, align_h, max_w, max_h);
-	/*
-	 * To check if image size is modified to adjust parameter against
-	 * hardware abilities
-	 */
-	org_w = pix_mp->width;
-	org_h = pix_mp->height;
-
-	mtk_mdp_bound_align_image(&pix_mp->width, min_w, max_w, align_w,
-				  &pix_mp->height, min_h, max_h, align_h);
-
-	if (org_w != pix_mp->width || org_h != pix_mp->height)
-		mtk_mdp_dbg(1, "[%d] size change:%ux%u to %ux%u", ctx->id,
-			    org_w, org_h, pix_mp->width, pix_mp->height);
-	pix_mp->num_planes = fmt->num_planes;
-
-	for (i = 0; i < pix_mp->num_planes; ++i) {
-		int bpl = (pix_mp->width * fmt->row_depth[i]) / 8;
-		int sizeimage = (pix_mp->width * pix_mp->height *
-			fmt->depth[i]) / 8;
-
-		pix_mp->plane_fmt[i].bytesperline = bpl;
-		if (pix_mp->plane_fmt[i].sizeimage < sizeimage)
-			pix_mp->plane_fmt[i].sizeimage = sizeimage;
-		mtk_mdp_dbg(2, "[%d] p%d, bpl:%d, sizeimage:%u (%u)", ctx->id,
-			    i, bpl, pix_mp->plane_fmt[i].sizeimage, sizeimage);
-	}
-
-	return fmt;
-}
-
-static struct mtk_mdp_frame *mtk_mdp_ctx_get_frame(struct mtk_mdp_ctx *ctx,
-					    enum v4l2_buf_type type)
-{
-	if (V4L2_TYPE_IS_OUTPUT(type))
-		return &ctx->s_frame;
-	return &ctx->d_frame;
-}
-
-static void mtk_mdp_check_crop_change(u32 new_w, u32 new_h, u32 *w, u32 *h)
-{
-	if (new_w != *w || new_h != *h) {
-		mtk_mdp_dbg(1, "size change:%dx%d to %dx%d",
-			    *w, *h, new_w, new_h);
-
-		*w = new_w;
-		*h = new_h;
-	}
-}
-
-static int mtk_mdp_try_crop(struct mtk_mdp_ctx *ctx, u32 type,
-			    struct v4l2_rect *r)
-{
-	struct mtk_mdp_frame *frame;
-	struct mtk_mdp_dev *mdp = ctx->mdp_dev;
-	struct mtk_mdp_variant *variant = mdp->variant;
-	u32 align_w, align_h, new_w, new_h;
-	u32 min_w, min_h, max_w, max_h;
-
-	if (r->top < 0 || r->left < 0) {
-		dev_err(&ctx->mdp_dev->pdev->dev,
-			"doesn't support negative values for top & left\n");
-		return -EINVAL;
-	}
-
-	mtk_mdp_dbg(2, "[%d] type:%d, set wxh:%dx%d", ctx->id, type,
-		    r->width, r->height);
-
-	frame = mtk_mdp_ctx_get_frame(ctx, type);
-	max_w = frame->width;
-	max_h = frame->height;
-	new_w = r->width;
-	new_h = r->height;
-
-	if (V4L2_TYPE_IS_OUTPUT(type)) {
-		align_w = 1;
-		align_h = 1;
-		min_w = 64;
-		min_h = 32;
-	} else {
-		align_w = variant->pix_align->target_w;
-		align_h = variant->pix_align->target_h;
-		if (ctx->ctrls.rotate->val == 90 ||
-		    ctx->ctrls.rotate->val == 270) {
-			max_w = frame->height;
-			max_h = frame->width;
-			min_w = variant->pix_min->target_rot_en_w;
-			min_h = variant->pix_min->target_rot_en_h;
-			new_w = r->height;
-			new_h = r->width;
-		} else {
-			min_w = variant->pix_min->target_rot_dis_w;
-			min_h = variant->pix_min->target_rot_dis_h;
-		}
-	}
-
-	mtk_mdp_dbg(2, "[%d] align:%dx%d, min:%dx%d, new:%dx%d", ctx->id,
-		    align_w, align_h, min_w, min_h, new_w, new_h);
-
-	mtk_mdp_bound_align_image(&new_w, min_w, max_w, align_w,
-				  &new_h, min_h, max_h, align_h);
-
-	if (V4L2_TYPE_IS_CAPTURE(type) &&
-	    (ctx->ctrls.rotate->val == 90 || ctx->ctrls.rotate->val == 270))
-		mtk_mdp_check_crop_change(new_h, new_w,
-					  &r->width, &r->height);
-	else
-		mtk_mdp_check_crop_change(new_w, new_h,
-					  &r->width, &r->height);
-
-	/* adjust left/top if cropping rectangle is out of bounds */
-	/* Need to add code to algin left value with 2's multiple */
-	if (r->left + new_w > max_w)
-		r->left = max_w - new_w;
-	if (r->top + new_h > max_h)
-		r->top = max_h - new_h;
-
-	if (r->left & 1)
-		r->left -= 1;
-
-	mtk_mdp_dbg(2, "[%d] crop l,t,w,h:%d,%d,%d,%d, max:%dx%d", ctx->id,
-		    r->left, r->top, r->width,
-		    r->height, max_w, max_h);
-	return 0;
-}
-
-static inline struct mtk_mdp_ctx *fh_to_ctx(struct v4l2_fh *fh)
-{
-	return container_of(fh, struct mtk_mdp_ctx, fh);
-}
-
-static inline struct mtk_mdp_ctx *ctrl_to_ctx(struct v4l2_ctrl *ctrl)
-{
-	return container_of(ctrl->handler, struct mtk_mdp_ctx, ctrl_handler);
-}
-
-void mtk_mdp_ctx_state_lock_set(struct mtk_mdp_ctx *ctx, u32 state)
-{
-	mutex_lock(&ctx->slock);
-	ctx->state |= state;
-	mutex_unlock(&ctx->slock);
-}
-
-static bool mtk_mdp_ctx_state_is_set(struct mtk_mdp_ctx *ctx, u32 mask)
-{
-	bool ret;
-
-	mutex_lock(&ctx->slock);
-	ret = (ctx->state & mask) == mask;
-	mutex_unlock(&ctx->slock);
-	return ret;
-}
-
-static void mtk_mdp_set_frame_size(struct mtk_mdp_frame *frame, int width,
-				   int height)
-{
-	frame->width = width;
-	frame->height = height;
-	frame->crop.width = width;
-	frame->crop.height = height;
-	frame->crop.left = 0;
-	frame->crop.top = 0;
-}
-
-static int mtk_mdp_m2m_start_streaming(struct vb2_queue *q, unsigned int count)
-{
-	struct mtk_mdp_ctx *ctx = q->drv_priv;
-	int ret;
-
-	ret = pm_runtime_resume_and_get(&ctx->mdp_dev->pdev->dev);
-	if (ret < 0)
-		mtk_mdp_dbg(1, "[%d] pm_runtime_resume_and_get failed:%d",
-			    ctx->id, ret);
-
-	return ret;
-}
-
-static void *mtk_mdp_m2m_buf_remove(struct mtk_mdp_ctx *ctx,
-				    enum v4l2_buf_type type)
-{
-	if (V4L2_TYPE_IS_OUTPUT(type))
-		return v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
-	else
-		return v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
-}
-
-static void mtk_mdp_m2m_stop_streaming(struct vb2_queue *q)
-{
-	struct mtk_mdp_ctx *ctx = q->drv_priv;
-	struct vb2_buffer *vb;
-
-	vb = mtk_mdp_m2m_buf_remove(ctx, q->type);
-	while (vb != NULL) {
-		v4l2_m2m_buf_done(to_vb2_v4l2_buffer(vb), VB2_BUF_STATE_ERROR);
-		vb = mtk_mdp_m2m_buf_remove(ctx, q->type);
-	}
-
-	pm_runtime_put(&ctx->mdp_dev->pdev->dev);
-}
-
-/* The color format (num_planes) must be already configured. */
-static void mtk_mdp_prepare_addr(struct mtk_mdp_ctx *ctx,
-				 struct vb2_buffer *vb,
-				 struct mtk_mdp_frame *frame,
-				 struct mtk_mdp_addr *addr)
-{
-	u32 pix_size, planes, i;
-
-	pix_size = frame->width * frame->height;
-	planes = min_t(u32, frame->fmt->num_planes, ARRAY_SIZE(addr->addr));
-	for (i = 0; i < planes; i++)
-		addr->addr[i] = vb2_dma_contig_plane_dma_addr(vb, i);
-
-	if (planes == 1) {
-		if (frame->fmt->pixelformat == V4L2_PIX_FMT_YVU420) {
-			addr->addr[1] = (dma_addr_t)(addr->addr[0] + pix_size);
-			addr->addr[2] = (dma_addr_t)(addr->addr[1] +
-					(pix_size >> 2));
-		} else {
-			dev_err(&ctx->mdp_dev->pdev->dev,
-				"Invalid pixelformat:0x%x\n",
-				frame->fmt->pixelformat);
-		}
-	}
-	mtk_mdp_dbg(3, "[%d] planes:%d, size:%d, addr:%p,%p,%p",
-		    ctx->id, planes, pix_size, (void *)addr->addr[0],
-		    (void *)addr->addr[1], (void *)addr->addr[2]);
-}
-
-static void mtk_mdp_m2m_get_bufs(struct mtk_mdp_ctx *ctx)
-{
-	struct mtk_mdp_frame *s_frame, *d_frame;
-	struct vb2_v4l2_buffer *src_vbuf, *dst_vbuf;
-
-	s_frame = &ctx->s_frame;
-	d_frame = &ctx->d_frame;
-
-	src_vbuf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
-	mtk_mdp_prepare_addr(ctx, &src_vbuf->vb2_buf, s_frame, &s_frame->addr);
-
-	dst_vbuf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
-	mtk_mdp_prepare_addr(ctx, &dst_vbuf->vb2_buf, d_frame, &d_frame->addr);
-
-	dst_vbuf->vb2_buf.timestamp = src_vbuf->vb2_buf.timestamp;
-}
-
-static void mtk_mdp_process_done(void *priv, int vb_state)
-{
-	struct mtk_mdp_dev *mdp = priv;
-	struct mtk_mdp_ctx *ctx;
-	struct vb2_v4l2_buffer *src_vbuf, *dst_vbuf;
-
-	ctx = v4l2_m2m_get_curr_priv(mdp->m2m_dev);
-	if (!ctx)
-		return;
-
-	src_vbuf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
-	dst_vbuf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
-
-	dst_vbuf->vb2_buf.timestamp = src_vbuf->vb2_buf.timestamp;
-	dst_vbuf->timecode = src_vbuf->timecode;
-	dst_vbuf->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
-	dst_vbuf->flags |= src_vbuf->flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
-
-	v4l2_m2m_buf_done(src_vbuf, vb_state);
-	v4l2_m2m_buf_done(dst_vbuf, vb_state);
-	v4l2_m2m_job_finish(ctx->mdp_dev->m2m_dev, ctx->m2m_ctx);
-}
-
-static void mtk_mdp_m2m_worker(struct work_struct *work)
-{
-	struct mtk_mdp_ctx *ctx =
-				container_of(work, struct mtk_mdp_ctx, work);
-	struct mtk_mdp_dev *mdp = ctx->mdp_dev;
-	enum vb2_buffer_state buf_state = VB2_BUF_STATE_ERROR;
-	int ret;
-
-	if (mtk_mdp_ctx_state_is_set(ctx, MTK_MDP_CTX_ERROR)) {
-		dev_err(&mdp->pdev->dev, "ctx is in error state");
-		goto worker_end;
-	}
-
-	mtk_mdp_m2m_get_bufs(ctx);
-
-	mtk_mdp_hw_set_input_addr(ctx, &ctx->s_frame.addr);
-	mtk_mdp_hw_set_output_addr(ctx, &ctx->d_frame.addr);
-
-	mtk_mdp_hw_set_in_size(ctx);
-	mtk_mdp_hw_set_in_image_format(ctx);
-
-	mtk_mdp_hw_set_out_size(ctx);
-	mtk_mdp_hw_set_out_image_format(ctx);
-
-	mtk_mdp_hw_set_rotation(ctx);
-	mtk_mdp_hw_set_global_alpha(ctx);
-
-	ret = mtk_mdp_vpu_process(&ctx->vpu);
-	if (ret) {
-		dev_err(&mdp->pdev->dev, "processing failed: %d", ret);
-		goto worker_end;
-	}
-
-	buf_state = VB2_BUF_STATE_DONE;
-
-worker_end:
-	mtk_mdp_process_done(mdp, buf_state);
-}
-
-static void mtk_mdp_m2m_device_run(void *priv)
-{
-	struct mtk_mdp_ctx *ctx = priv;
-
-	queue_work(ctx->mdp_dev->job_wq, &ctx->work);
-}
-
-static int mtk_mdp_m2m_queue_setup(struct vb2_queue *vq,
-			unsigned int *num_buffers, unsigned int *num_planes,
-			unsigned int sizes[], struct device *alloc_devs[])
-{
-	struct mtk_mdp_ctx *ctx = vb2_get_drv_priv(vq);
-	struct mtk_mdp_frame *frame;
-	int i;
-
-	frame = mtk_mdp_ctx_get_frame(ctx, vq->type);
-	*num_planes = frame->fmt->num_planes;
-	for (i = 0; i < frame->fmt->num_planes; i++)
-		sizes[i] = frame->payload[i];
-	mtk_mdp_dbg(2, "[%d] type:%d, planes:%d, buffers:%d, size:%u,%u",
-		    ctx->id, vq->type, *num_planes, *num_buffers,
-		    sizes[0], sizes[1]);
-	return 0;
-}
-
-static int mtk_mdp_m2m_buf_prepare(struct vb2_buffer *vb)
-{
-	struct mtk_mdp_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
-	struct mtk_mdp_frame *frame;
-	int i;
-
-	frame = mtk_mdp_ctx_get_frame(ctx, vb->vb2_queue->type);
-
-	if (!V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) {
-		for (i = 0; i < frame->fmt->num_planes; i++)
-			vb2_set_plane_payload(vb, i, frame->payload[i]);
-	}
-
-	return 0;
-}
-
-static void mtk_mdp_m2m_buf_queue(struct vb2_buffer *vb)
-{
-	struct mtk_mdp_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
-
-	v4l2_m2m_buf_queue(ctx->m2m_ctx, to_vb2_v4l2_buffer(vb));
-}
-
-static const struct vb2_ops mtk_mdp_m2m_qops = {
-	.queue_setup	 = mtk_mdp_m2m_queue_setup,
-	.buf_prepare	 = mtk_mdp_m2m_buf_prepare,
-	.buf_queue	 = mtk_mdp_m2m_buf_queue,
-	.stop_streaming	 = mtk_mdp_m2m_stop_streaming,
-	.start_streaming = mtk_mdp_m2m_start_streaming,
-	.wait_prepare	 = vb2_ops_wait_prepare,
-	.wait_finish	 = vb2_ops_wait_finish,
-};
-
-static int mtk_mdp_m2m_querycap(struct file *file, void *fh,
-				struct v4l2_capability *cap)
-{
-	struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
-	struct mtk_mdp_dev *mdp = ctx->mdp_dev;
-
-	strscpy(cap->driver, MTK_MDP_MODULE_NAME, sizeof(cap->driver));
-	strscpy(cap->card, mdp->pdev->name, sizeof(cap->card));
-	strscpy(cap->bus_info, "platform:mt8173", sizeof(cap->bus_info));
-
-	return 0;
-}
-
-static int mtk_mdp_enum_fmt(struct v4l2_fmtdesc *f, u32 type)
-{
-	const struct mtk_mdp_fmt *fmt;
-
-	fmt = mtk_mdp_find_fmt_by_index(f->index, type);
-	if (!fmt)
-		return -EINVAL;
-
-	f->pixelformat = fmt->pixelformat;
-
-	return 0;
-}
-
-static int mtk_mdp_m2m_enum_fmt_vid_cap(struct file *file, void *priv,
-					struct v4l2_fmtdesc *f)
-{
-	return mtk_mdp_enum_fmt(f, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
-}
-
-static int mtk_mdp_m2m_enum_fmt_vid_out(struct file *file, void *priv,
-					struct v4l2_fmtdesc *f)
-{
-	return mtk_mdp_enum_fmt(f, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
-}
-
-static int mtk_mdp_m2m_g_fmt_mplane(struct file *file, void *fh,
-				    struct v4l2_format *f)
-{
-	struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
-	struct mtk_mdp_frame *frame;
-	struct v4l2_pix_format_mplane *pix_mp;
-	int i;
-
-	mtk_mdp_dbg(2, "[%d] type:%d", ctx->id, f->type);
-
-	frame = mtk_mdp_ctx_get_frame(ctx, f->type);
-	pix_mp = &f->fmt.pix_mp;
-
-	pix_mp->width = frame->width;
-	pix_mp->height = frame->height;
-	pix_mp->field = V4L2_FIELD_NONE;
-	pix_mp->pixelformat = frame->fmt->pixelformat;
-	pix_mp->num_planes = frame->fmt->num_planes;
-	pix_mp->colorspace = ctx->colorspace;
-	pix_mp->xfer_func = ctx->xfer_func;
-	pix_mp->ycbcr_enc = ctx->ycbcr_enc;
-	pix_mp->quantization = ctx->quant;
-	mtk_mdp_dbg(2, "[%d] wxh:%dx%d", ctx->id,
-		    pix_mp->width, pix_mp->height);
-
-	for (i = 0; i < pix_mp->num_planes; ++i) {
-		pix_mp->plane_fmt[i].bytesperline = (frame->width *
-			frame->fmt->row_depth[i]) / 8;
-		pix_mp->plane_fmt[i].sizeimage = (frame->width *
-			frame->height * frame->fmt->depth[i]) / 8;
-
-		mtk_mdp_dbg(2, "[%d] p%d, bpl:%d, sizeimage:%d", ctx->id, i,
-			    pix_mp->plane_fmt[i].bytesperline,
-			    pix_mp->plane_fmt[i].sizeimage);
-	}
-
-	return 0;
-}
-
-static int mtk_mdp_m2m_try_fmt_mplane(struct file *file, void *fh,
-				      struct v4l2_format *f)
-{
-	struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
-
-	if (!mtk_mdp_try_fmt_mplane(ctx, f))
-		return -EINVAL;
-	return 0;
-}
-
-static int mtk_mdp_m2m_s_fmt_mplane(struct file *file, void *fh,
-				    struct v4l2_format *f)
-{
-	struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
-	struct vb2_queue *vq;
-	struct mtk_mdp_frame *frame;
-	struct v4l2_pix_format_mplane *pix_mp;
-	const struct mtk_mdp_fmt *fmt;
-	int i;
-
-	mtk_mdp_dbg(2, "[%d] type:%d", ctx->id, f->type);
-
-	frame = mtk_mdp_ctx_get_frame(ctx, f->type);
-	fmt = mtk_mdp_try_fmt_mplane(ctx, f);
-	if (!fmt) {
-		mtk_mdp_err("[%d] try_fmt failed, type:%d", ctx->id, f->type);
-		return -EINVAL;
-	}
-	frame->fmt = fmt;
-
-	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
-	if (vb2_is_streaming(vq)) {
-		dev_info(&ctx->mdp_dev->pdev->dev, "queue %d busy", f->type);
-		return -EBUSY;
-	}
-
-	pix_mp = &f->fmt.pix_mp;
-	for (i = 0; i < frame->fmt->num_planes; i++) {
-		frame->payload[i] = pix_mp->plane_fmt[i].sizeimage;
-		frame->pitch[i] = pix_mp->plane_fmt[i].bytesperline;
-	}
-
-	mtk_mdp_set_frame_size(frame, pix_mp->width, pix_mp->height);
-	if (V4L2_TYPE_IS_OUTPUT(f->type)) {
-		ctx->colorspace = pix_mp->colorspace;
-		ctx->xfer_func = pix_mp->xfer_func;
-		ctx->ycbcr_enc = pix_mp->ycbcr_enc;
-		ctx->quant = pix_mp->quantization;
-	}
-
-	mtk_mdp_dbg(2, "[%d] type:%d, frame:%dx%d", ctx->id, f->type,
-		    frame->width, frame->height);
-
-	return 0;
-}
-
-static int mtk_mdp_m2m_reqbufs(struct file *file, void *fh,
-			       struct v4l2_requestbuffers *reqbufs)
-{
-	struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
-
-	return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs);
-}
-
-static int mtk_mdp_m2m_streamon(struct file *file, void *fh,
-				enum v4l2_buf_type type)
-{
-	struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
-	int ret;
-
-	if (!mtk_mdp_ctx_state_is_set(ctx, MTK_MDP_VPU_INIT)) {
-		ret = mtk_mdp_vpu_init(&ctx->vpu);
-		if (ret < 0) {
-			dev_err(&ctx->mdp_dev->pdev->dev,
-				"vpu init failed %d\n",
-				ret);
-			return -EINVAL;
-		}
-		mtk_mdp_ctx_state_lock_set(ctx, MTK_MDP_VPU_INIT);
-	}
-
-	return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
-}
-
-static inline bool mtk_mdp_is_target_compose(u32 target)
-{
-	if (target == V4L2_SEL_TGT_COMPOSE_DEFAULT
-	    || target == V4L2_SEL_TGT_COMPOSE_BOUNDS
-	    || target == V4L2_SEL_TGT_COMPOSE)
-		return true;
-	return false;
-}
-
-static inline bool mtk_mdp_is_target_crop(u32 target)
-{
-	if (target == V4L2_SEL_TGT_CROP_DEFAULT
-	    || target == V4L2_SEL_TGT_CROP_BOUNDS
-	    || target == V4L2_SEL_TGT_CROP)
-		return true;
-	return false;
-}
-
-static int mtk_mdp_m2m_g_selection(struct file *file, void *fh,
-				       struct v4l2_selection *s)
-{
-	struct mtk_mdp_frame *frame;
-	struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
-	bool valid = false;
-
-	if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
-		if (mtk_mdp_is_target_compose(s->target))
-			valid = true;
-	} else if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
-		if (mtk_mdp_is_target_crop(s->target))
-			valid = true;
-	}
-	if (!valid) {
-		mtk_mdp_dbg(1, "[%d] invalid type:%d,%u", ctx->id, s->type,
-			    s->target);
-		return -EINVAL;
-	}
-
-	frame = mtk_mdp_ctx_get_frame(ctx, s->type);
-
-	switch (s->target) {
-	case V4L2_SEL_TGT_COMPOSE_DEFAULT:
-	case V4L2_SEL_TGT_COMPOSE_BOUNDS:
-	case V4L2_SEL_TGT_CROP_BOUNDS:
-	case V4L2_SEL_TGT_CROP_DEFAULT:
-		s->r.left = 0;
-		s->r.top = 0;
-		s->r.width = frame->width;
-		s->r.height = frame->height;
-		return 0;
-
-	case V4L2_SEL_TGT_COMPOSE:
-	case V4L2_SEL_TGT_CROP:
-		s->r.left = frame->crop.left;
-		s->r.top = frame->crop.top;
-		s->r.width = frame->crop.width;
-		s->r.height = frame->crop.height;
-		return 0;
-	}
-
-	return -EINVAL;
-}
-
-static int mtk_mdp_check_scaler_ratio(struct mtk_mdp_variant *var, int src_w,
-				      int src_h, int dst_w, int dst_h, int rot)
-{
-	int tmp_w, tmp_h;
-
-	if (rot == 90 || rot == 270) {
-		tmp_w = dst_h;
-		tmp_h = dst_w;
-	} else {
-		tmp_w = dst_w;
-		tmp_h = dst_h;
-	}
-
-	if ((src_w / tmp_w) > var->h_scale_down_max ||
-	    (src_h / tmp_h) > var->v_scale_down_max ||
-	    (tmp_w / src_w) > var->h_scale_up_max ||
-	    (tmp_h / src_h) > var->v_scale_up_max)
-		return -EINVAL;
-
-	return 0;
-}
-
-static int mtk_mdp_m2m_s_selection(struct file *file, void *fh,
-				   struct v4l2_selection *s)
-{
-	struct mtk_mdp_frame *frame;
-	struct mtk_mdp_ctx *ctx = fh_to_ctx(fh);
-	struct v4l2_rect new_r;
-	struct mtk_mdp_variant *variant = ctx->mdp_dev->variant;
-	int ret;
-	bool valid = false;
-
-	if (s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
-		if (s->target == V4L2_SEL_TGT_COMPOSE)
-			valid = true;
-	} else if (s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
-		if (s->target == V4L2_SEL_TGT_CROP)
-			valid = true;
-	}
-	if (!valid) {
-		mtk_mdp_dbg(1, "[%d] invalid type:%d,%u", ctx->id, s->type,
-			    s->target);
-		return -EINVAL;
-	}
-
-	new_r = s->r;
-	ret = mtk_mdp_try_crop(ctx, s->type, &new_r);
-	if (ret)
-		return ret;
-
-	if (mtk_mdp_is_target_crop(s->target))
-		frame = &ctx->s_frame;
-	else
-		frame = &ctx->d_frame;
-
-	/* Check to see if scaling ratio is within supported range */
-	if (V4L2_TYPE_IS_OUTPUT(s->type))
-		ret = mtk_mdp_check_scaler_ratio(variant, new_r.width,
-			new_r.height, ctx->d_frame.crop.width,
-			ctx->d_frame.crop.height,
-			ctx->ctrls.rotate->val);
-	else
-		ret = mtk_mdp_check_scaler_ratio(variant,
-			ctx->s_frame.crop.width,
-			ctx->s_frame.crop.height, new_r.width,
-			new_r.height, ctx->ctrls.rotate->val);
-
-	if (ret) {
-		dev_info(&ctx->mdp_dev->pdev->dev,
-			"Out of scaler range");
-		return -EINVAL;
-	}
-
-	s->r = new_r;
-	frame->crop = new_r;
-
-	return 0;
-}
-
-static const struct v4l2_ioctl_ops mtk_mdp_m2m_ioctl_ops = {
-	.vidioc_querycap		= mtk_mdp_m2m_querycap,
-	.vidioc_enum_fmt_vid_cap	= mtk_mdp_m2m_enum_fmt_vid_cap,
-	.vidioc_enum_fmt_vid_out	= mtk_mdp_m2m_enum_fmt_vid_out,
-	.vidioc_g_fmt_vid_cap_mplane	= mtk_mdp_m2m_g_fmt_mplane,
-	.vidioc_g_fmt_vid_out_mplane	= mtk_mdp_m2m_g_fmt_mplane,
-	.vidioc_try_fmt_vid_cap_mplane	= mtk_mdp_m2m_try_fmt_mplane,
-	.vidioc_try_fmt_vid_out_mplane	= mtk_mdp_m2m_try_fmt_mplane,
-	.vidioc_s_fmt_vid_cap_mplane	= mtk_mdp_m2m_s_fmt_mplane,
-	.vidioc_s_fmt_vid_out_mplane	= mtk_mdp_m2m_s_fmt_mplane,
-	.vidioc_reqbufs			= mtk_mdp_m2m_reqbufs,
-	.vidioc_create_bufs		= v4l2_m2m_ioctl_create_bufs,
-	.vidioc_expbuf			= v4l2_m2m_ioctl_expbuf,
-	.vidioc_subscribe_event		= v4l2_ctrl_subscribe_event,
-	.vidioc_unsubscribe_event	= v4l2_event_unsubscribe,
-	.vidioc_querybuf		= v4l2_m2m_ioctl_querybuf,
-	.vidioc_qbuf			= v4l2_m2m_ioctl_qbuf,
-	.vidioc_dqbuf			= v4l2_m2m_ioctl_dqbuf,
-	.vidioc_streamon		= mtk_mdp_m2m_streamon,
-	.vidioc_streamoff		= v4l2_m2m_ioctl_streamoff,
-	.vidioc_g_selection		= mtk_mdp_m2m_g_selection,
-	.vidioc_s_selection		= mtk_mdp_m2m_s_selection
-};
-
-static int mtk_mdp_m2m_queue_init(void *priv, struct vb2_queue *src_vq,
-				  struct vb2_queue *dst_vq)
-{
-	struct mtk_mdp_ctx *ctx = priv;
-	int ret;
-
-	memset(src_vq, 0, sizeof(*src_vq));
-	src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
-	src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
-	src_vq->drv_priv = ctx;
-	src_vq->ops = &mtk_mdp_m2m_qops;
-	src_vq->mem_ops = &vb2_dma_contig_memops;
-	src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
-	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
-	src_vq->dev = &ctx->mdp_dev->pdev->dev;
-	src_vq->lock = &ctx->mdp_dev->lock;
-
-	ret = vb2_queue_init(src_vq);
-	if (ret)
-		return ret;
-
-	memset(dst_vq, 0, sizeof(*dst_vq));
-	dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
-	dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
-	dst_vq->drv_priv = ctx;
-	dst_vq->ops = &mtk_mdp_m2m_qops;
-	dst_vq->mem_ops = &vb2_dma_contig_memops;
-	dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
-	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
-	dst_vq->dev = &ctx->mdp_dev->pdev->dev;
-	dst_vq->lock = &ctx->mdp_dev->lock;
-
-	return vb2_queue_init(dst_vq);
-}
-
-static int mtk_mdp_s_ctrl(struct v4l2_ctrl *ctrl)
-{
-	struct mtk_mdp_ctx *ctx = ctrl_to_ctx(ctrl);
-	struct mtk_mdp_dev *mdp = ctx->mdp_dev;
-	struct mtk_mdp_variant *variant = mdp->variant;
-	int ret = 0;
-
-	if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE)
-		return 0;
-
-	switch (ctrl->id) {
-	case V4L2_CID_HFLIP:
-		ctx->hflip = ctrl->val;
-		break;
-	case V4L2_CID_VFLIP:
-		ctx->vflip = ctrl->val;
-		break;
-	case V4L2_CID_ROTATE:
-		ret = mtk_mdp_check_scaler_ratio(variant,
-				ctx->s_frame.crop.width,
-				ctx->s_frame.crop.height,
-				ctx->d_frame.crop.width,
-				ctx->d_frame.crop.height,
-				ctx->ctrls.rotate->val);
-
-		if (ret)
-			return -EINVAL;
-
-		ctx->rotation = ctrl->val;
-		break;
-	case V4L2_CID_ALPHA_COMPONENT:
-		ctx->d_frame.alpha = ctrl->val;
-		break;
-	}
-
-	return 0;
-}
-
-static const struct v4l2_ctrl_ops mtk_mdp_ctrl_ops = {
-	.s_ctrl = mtk_mdp_s_ctrl,
-};
-
-static int mtk_mdp_ctrls_create(struct mtk_mdp_ctx *ctx)
-{
-	v4l2_ctrl_handler_init(&ctx->ctrl_handler, MTK_MDP_MAX_CTRL_NUM);
-
-	ctx->ctrls.rotate = v4l2_ctrl_new_std(&ctx->ctrl_handler,
-			&mtk_mdp_ctrl_ops, V4L2_CID_ROTATE, 0, 270, 90, 0);
-	ctx->ctrls.hflip = v4l2_ctrl_new_std(&ctx->ctrl_handler,
-					     &mtk_mdp_ctrl_ops,
-					     V4L2_CID_HFLIP,
-					     0, 1, 1, 0);
-	ctx->ctrls.vflip = v4l2_ctrl_new_std(&ctx->ctrl_handler,
-					     &mtk_mdp_ctrl_ops,
-					     V4L2_CID_VFLIP,
-					     0, 1, 1, 0);
-	ctx->ctrls.global_alpha = v4l2_ctrl_new_std(&ctx->ctrl_handler,
-						    &mtk_mdp_ctrl_ops,
-						    V4L2_CID_ALPHA_COMPONENT,
-						    0, 255, 1, 0);
-	ctx->ctrls_rdy = ctx->ctrl_handler.error == 0;
-
-	if (ctx->ctrl_handler.error) {
-		int err = ctx->ctrl_handler.error;
-
-		v4l2_ctrl_handler_free(&ctx->ctrl_handler);
-		dev_err(&ctx->mdp_dev->pdev->dev,
-			"Failed to create control handlers\n");
-		return err;
-	}
-
-	return 0;
-}
-
-static void mtk_mdp_set_default_params(struct mtk_mdp_ctx *ctx)
-{
-	struct mtk_mdp_dev *mdp = ctx->mdp_dev;
-	struct mtk_mdp_frame *frame;
-
-	frame = mtk_mdp_ctx_get_frame(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
-	frame->fmt = mtk_mdp_find_fmt_by_index(0,
-					V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE);
-	frame->width = mdp->variant->pix_min->org_w;
-	frame->height = mdp->variant->pix_min->org_h;
-	frame->payload[0] = frame->width * frame->height;
-	frame->payload[1] = frame->payload[0] / 2;
-
-	frame = mtk_mdp_ctx_get_frame(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
-	frame->fmt = mtk_mdp_find_fmt_by_index(0,
-					V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE);
-	frame->width = mdp->variant->pix_min->target_rot_dis_w;
-	frame->height = mdp->variant->pix_min->target_rot_dis_h;
-	frame->payload[0] = frame->width * frame->height;
-	frame->payload[1] = frame->payload[0] / 2;
-
-}
-
-static int mtk_mdp_m2m_open(struct file *file)
-{
-	struct mtk_mdp_dev *mdp = video_drvdata(file);
-	struct video_device *vfd = video_devdata(file);
-	struct mtk_mdp_ctx *ctx = NULL;
-	int ret;
-	struct v4l2_format default_format;
-
-	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
-	if (!ctx)
-		return -ENOMEM;
-
-	if (mutex_lock_interruptible(&mdp->lock)) {
-		ret = -ERESTARTSYS;
-		goto err_lock;
-	}
-
-	mutex_init(&ctx->slock);
-	ctx->id = mdp->id_counter++;
-	v4l2_fh_init(&ctx->fh, vfd);
-	file->private_data = &ctx->fh;
-	ret = mtk_mdp_ctrls_create(ctx);
-	if (ret)
-		goto error_ctrls;
-
-	/* Use separate control handler per file handle */
-	ctx->fh.ctrl_handler = &ctx->ctrl_handler;
-	v4l2_fh_add(&ctx->fh);
-	INIT_LIST_HEAD(&ctx->list);
-
-	ctx->mdp_dev = mdp;
-	mtk_mdp_set_default_params(ctx);
-
-	INIT_WORK(&ctx->work, mtk_mdp_m2m_worker);
-	ctx->m2m_ctx = v4l2_m2m_ctx_init(mdp->m2m_dev, ctx,
-					 mtk_mdp_m2m_queue_init);
-	if (IS_ERR(ctx->m2m_ctx)) {
-		dev_err(&mdp->pdev->dev, "Failed to initialize m2m context");
-		ret = PTR_ERR(ctx->m2m_ctx);
-		goto error_m2m_ctx;
-	}
-	ctx->fh.m2m_ctx = ctx->m2m_ctx;
-	if (mdp->ctx_num++ == 0) {
-		ret = vpu_load_firmware(mdp->vpu_dev);
-		if (ret < 0) {
-			dev_err(&mdp->pdev->dev,
-				"vpu_load_firmware failed %d\n", ret);
-			goto err_load_vpu;
-		}
-
-		ret = mtk_mdp_vpu_register(mdp->pdev);
-		if (ret < 0) {
-			dev_err(&mdp->pdev->dev,
-				"mdp_vpu register failed %d\n", ret);
-			goto err_load_vpu;
-		}
-	}
-
-	list_add(&ctx->list, &mdp->ctx_list);
-	mutex_unlock(&mdp->lock);
-
-	/* Default format */
-	memset(&default_format, 0, sizeof(default_format));
-	default_format.type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
-	default_format.fmt.pix_mp.width = 32;
-	default_format.fmt.pix_mp.height = 32;
-	default_format.fmt.pix_mp.pixelformat = V4L2_PIX_FMT_YUV420M;
-	mtk_mdp_m2m_s_fmt_mplane(file, &ctx->fh, &default_format);
-	default_format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
-	mtk_mdp_m2m_s_fmt_mplane(file, &ctx->fh, &default_format);
-
-	mtk_mdp_dbg(0, "%s [%d]", dev_name(&mdp->pdev->dev), ctx->id);
-
-	return 0;
-
-err_load_vpu:
-	mdp->ctx_num--;
-	v4l2_m2m_ctx_release(ctx->m2m_ctx);
-error_m2m_ctx:
-	v4l2_ctrl_handler_free(&ctx->ctrl_handler);
-error_ctrls:
-	v4l2_fh_del(&ctx->fh);
-	v4l2_fh_exit(&ctx->fh);
-	mutex_unlock(&mdp->lock);
-err_lock:
-	kfree(ctx);
-
-	return ret;
-}
-
-static int mtk_mdp_m2m_release(struct file *file)
-{
-	struct mtk_mdp_ctx *ctx = fh_to_ctx(file->private_data);
-	struct mtk_mdp_dev *mdp = ctx->mdp_dev;
-
-	flush_workqueue(mdp->job_wq);
-	mutex_lock(&mdp->lock);
-	v4l2_m2m_ctx_release(ctx->m2m_ctx);
-	v4l2_ctrl_handler_free(&ctx->ctrl_handler);
-	v4l2_fh_del(&ctx->fh);
-	v4l2_fh_exit(&ctx->fh);
-	mtk_mdp_vpu_deinit(&ctx->vpu);
-	mdp->ctx_num--;
-	list_del_init(&ctx->list);
-
-	mtk_mdp_dbg(0, "%s [%d]", dev_name(&mdp->pdev->dev), ctx->id);
-
-	mutex_unlock(&mdp->lock);
-	kfree(ctx);
-
-	return 0;
-}
-
-static const struct v4l2_file_operations mtk_mdp_m2m_fops = {
-	.owner		= THIS_MODULE,
-	.open		= mtk_mdp_m2m_open,
-	.release	= mtk_mdp_m2m_release,
-	.poll		= v4l2_m2m_fop_poll,
-	.unlocked_ioctl	= video_ioctl2,
-	.mmap		= v4l2_m2m_fop_mmap,
-};
-
-static const struct v4l2_m2m_ops mtk_mdp_m2m_ops = {
-	.device_run	= mtk_mdp_m2m_device_run,
-};
-
-int mtk_mdp_register_m2m_device(struct mtk_mdp_dev *mdp)
-{
-	struct device *dev = &mdp->pdev->dev;
-	int ret;
-
-	mdp->variant = &mtk_mdp_default_variant;
-	mdp->vdev = video_device_alloc();
-	if (!mdp->vdev) {
-		dev_err(dev, "failed to allocate video device\n");
-		ret = -ENOMEM;
-		goto err_video_alloc;
-	}
-	mdp->vdev->device_caps = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_STREAMING;
-	mdp->vdev->fops = &mtk_mdp_m2m_fops;
-	mdp->vdev->ioctl_ops = &mtk_mdp_m2m_ioctl_ops;
-	mdp->vdev->release = video_device_release;
-	mdp->vdev->lock = &mdp->lock;
-	mdp->vdev->vfl_dir = VFL_DIR_M2M;
-	mdp->vdev->v4l2_dev = &mdp->v4l2_dev;
-	snprintf(mdp->vdev->name, sizeof(mdp->vdev->name), "%s:m2m",
-		 MTK_MDP_MODULE_NAME);
-	video_set_drvdata(mdp->vdev, mdp);
-
-	mdp->m2m_dev = v4l2_m2m_init(&mtk_mdp_m2m_ops);
-	if (IS_ERR(mdp->m2m_dev)) {
-		dev_err(dev, "failed to initialize v4l2-m2m device\n");
-		ret = PTR_ERR(mdp->m2m_dev);
-		goto err_m2m_init;
-	}
-
-	ret = video_register_device(mdp->vdev, VFL_TYPE_VIDEO, 2);
-	if (ret) {
-		dev_err(dev, "failed to register video device\n");
-		goto err_vdev_register;
-	}
-
-	v4l2_info(&mdp->v4l2_dev, "driver registered as /dev/video%d",
-		  mdp->vdev->num);
-	return 0;
-
-err_vdev_register:
-	v4l2_m2m_release(mdp->m2m_dev);
-err_m2m_init:
-	video_device_release(mdp->vdev);
-err_video_alloc:
-
-	return ret;
-}
-
-void mtk_mdp_unregister_m2m_device(struct mtk_mdp_dev *mdp)
-{
-	video_unregister_device(mdp->vdev);
-	v4l2_m2m_release(mdp->m2m_dev);
-}