media: platform: place stm32/ and sti/ under st/ dir

As the end goal is to have platform drivers split by vendor,
move both stm32/ and sti/ for them to be inside st/ directory.

Acked-by: Hugues Fruchet <hugues.fruchet@st.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

1 files changed, 0 insertions, 1427 deletions

diff --git a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
deleted file mode 100644
index 5aa79d9277c8..000000000000
--- a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
+++ /dev/null
@@ -1,1427 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (C) STMicroelectronics SA 2014
- * Authors: Fabien Dessenne <fabien.dessenne@st.com> for STMicroelectronics.
- */
-
-#include <linux/errno.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/of.h>
-#include <linux/pm_runtime.h>
-#include <linux/slab.h>
-
-#include <media/v4l2-event.h>
-#include <media/v4l2-ioctl.h>
-
-#include "bdisp.h"
-
-#define BDISP_MAX_CTRL_NUM      10
-
-#define BDISP_WORK_TIMEOUT      ((100 * HZ) / 1000)
-
-/* User configuration change */
-#define BDISP_PARAMS            BIT(0) /* Config updated */
-#define BDISP_SRC_FMT           BIT(1) /* Source set */
-#define BDISP_DST_FMT           BIT(2) /* Destination set */
-#define BDISP_CTX_STOP_REQ      BIT(3) /* Stop request */
-#define BDISP_CTX_ABORT         BIT(4) /* Abort while device run */
-
-#define BDISP_MIN_W             1
-#define BDISP_MAX_W             8191
-#define BDISP_MIN_H             1
-#define BDISP_MAX_H             8191
-
-#define fh_to_ctx(__fh) container_of(__fh, struct bdisp_ctx, fh)
-
-enum bdisp_dev_flags {
-	ST_M2M_OPEN,            /* Driver opened */
-	ST_M2M_RUNNING,         /* HW device running */
-	ST_M2M_SUSPENDED,       /* Driver suspended */
-	ST_M2M_SUSPENDING,      /* Driver being suspended */
-};
-
-static const struct bdisp_fmt bdisp_formats[] = {
-	/* ARGB888. [31:0] A:R:G:B 8:8:8:8 little endian */
-	{
-		.pixelformat    = V4L2_PIX_FMT_ABGR32, /* is actually ARGB */
-		.nb_planes      = 1,
-		.bpp            = 32,
-		.bpp_plane0     = 32,
-		.w_align        = 1,
-		.h_align        = 1
-	},
-	/* XRGB888. [31:0] x:R:G:B 8:8:8:8 little endian */
-	{
-		.pixelformat    = V4L2_PIX_FMT_XBGR32, /* is actually xRGB */
-		.nb_planes      = 1,
-		.bpp            = 32,
-		.bpp_plane0     = 32,
-		.w_align        = 1,
-		.h_align        = 1
-	},
-	/* RGB565. [15:0] R:G:B 5:6:5 little endian */
-	{
-		.pixelformat    = V4L2_PIX_FMT_RGB565,
-		.nb_planes      = 1,
-		.bpp            = 16,
-		.bpp_plane0     = 16,
-		.w_align        = 1,
-		.h_align        = 1
-	},
-	/* NV12. YUV420SP - 1 plane for Y + 1 plane for (CbCr) */
-	{
-		.pixelformat    = V4L2_PIX_FMT_NV12,
-		.nb_planes      = 2,
-		.bpp            = 12,
-		.bpp_plane0     = 8,
-		.w_align        = 2,
-		.h_align        = 2
-	},
-	/* RGB888. [23:0] B:G:R 8:8:8 little endian */
-	{
-		.pixelformat    = V4L2_PIX_FMT_RGB24,
-		.nb_planes      = 1,
-		.bpp            = 24,
-		.bpp_plane0     = 24,
-		.w_align        = 1,
-		.h_align        = 1
-	},
-	/* YU12. YUV420P - 1 plane for Y + 1 plane for Cb + 1 plane for Cr
-	 * To keep as the LAST element of this table (no support on capture)
-	 */
-	{
-		.pixelformat    = V4L2_PIX_FMT_YUV420,
-		.nb_planes      = 3,
-		.bpp            = 12,
-		.bpp_plane0     = 8,
-		.w_align        = 2,
-		.h_align        = 2
-	}
-};
-
-/* Default format : HD ARGB32*/
-#define BDISP_DEF_WIDTH         1920
-#define BDISP_DEF_HEIGHT        1080
-
-static const struct bdisp_frame bdisp_dflt_fmt = {
-		.width          = BDISP_DEF_WIDTH,
-		.height         = BDISP_DEF_HEIGHT,
-		.fmt            = &bdisp_formats[0],
-		.field          = V4L2_FIELD_NONE,
-		.bytesperline   = BDISP_DEF_WIDTH * 4,
-		.sizeimage      = BDISP_DEF_WIDTH * BDISP_DEF_HEIGHT * 4,
-		.colorspace     = V4L2_COLORSPACE_REC709,
-		.crop           = {0, 0, BDISP_DEF_WIDTH, BDISP_DEF_HEIGHT},
-		.paddr          = {0, 0, 0, 0}
-};
-
-static inline void bdisp_ctx_state_lock_set(u32 state, struct bdisp_ctx *ctx)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&ctx->bdisp_dev->slock, flags);
-	ctx->state |= state;
-	spin_unlock_irqrestore(&ctx->bdisp_dev->slock, flags);
-}
-
-static inline void bdisp_ctx_state_lock_clear(u32 state, struct bdisp_ctx *ctx)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&ctx->bdisp_dev->slock, flags);
-	ctx->state &= ~state;
-	spin_unlock_irqrestore(&ctx->bdisp_dev->slock, flags);
-}
-
-static inline bool bdisp_ctx_state_is_set(u32 mask, struct bdisp_ctx *ctx)
-{
-	unsigned long flags;
-	bool ret;
-
-	spin_lock_irqsave(&ctx->bdisp_dev->slock, flags);
-	ret = (ctx->state & mask) == mask;
-	spin_unlock_irqrestore(&ctx->bdisp_dev->slock, flags);
-
-	return ret;
-}
-
-static const struct bdisp_fmt *bdisp_find_fmt(u32 pixelformat)
-{
-	const struct bdisp_fmt *fmt;
-	unsigned int i;
-
-	for (i = 0; i < ARRAY_SIZE(bdisp_formats); i++) {
-		fmt = &bdisp_formats[i];
-		if (fmt->pixelformat == pixelformat)
-			return fmt;
-	}
-
-	return NULL;
-}
-
-static struct bdisp_frame *ctx_get_frame(struct bdisp_ctx *ctx,
-					 enum v4l2_buf_type type)
-{
-	switch (type) {
-	case V4L2_BUF_TYPE_VIDEO_OUTPUT:
-		return &ctx->src;
-	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		return &ctx->dst;
-	default:
-		dev_err(ctx->bdisp_dev->dev,
-			"Wrong buffer/video queue type (%d)\n", type);
-		break;
-	}
-
-	return ERR_PTR(-EINVAL);
-}
-
-static void bdisp_job_finish(struct bdisp_ctx *ctx, int vb_state)
-{
-	struct vb2_v4l2_buffer *src_vb, *dst_vb;
-
-	if (WARN(!ctx || !ctx->fh.m2m_ctx, "Null hardware context\n"))
-		return;
-
-	dev_dbg(ctx->bdisp_dev->dev, "%s\n", __func__);
-
-	src_vb = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
-	dst_vb = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
-
-	if (src_vb && dst_vb) {
-		dst_vb->vb2_buf.timestamp = src_vb->vb2_buf.timestamp;
-		dst_vb->timecode = src_vb->timecode;
-		dst_vb->flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
-		dst_vb->flags |= src_vb->flags &
-					  V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
-
-		v4l2_m2m_buf_done(src_vb, vb_state);
-		v4l2_m2m_buf_done(dst_vb, vb_state);
-
-		v4l2_m2m_job_finish(ctx->bdisp_dev->m2m.m2m_dev,
-				    ctx->fh.m2m_ctx);
-	}
-}
-
-static int bdisp_ctx_stop_req(struct bdisp_ctx *ctx)
-{
-	struct bdisp_ctx *curr_ctx;
-	struct bdisp_dev *bdisp = ctx->bdisp_dev;
-	int ret;
-
-	dev_dbg(ctx->bdisp_dev->dev, "%s\n", __func__);
-
-	cancel_delayed_work(&bdisp->timeout_work);
-
-	curr_ctx = v4l2_m2m_get_curr_priv(bdisp->m2m.m2m_dev);
-	if (!test_bit(ST_M2M_RUNNING, &bdisp->state) || (curr_ctx != ctx))
-		return 0;
-
-	bdisp_ctx_state_lock_set(BDISP_CTX_STOP_REQ, ctx);
-
-	ret = wait_event_timeout(bdisp->irq_queue,
-			!bdisp_ctx_state_is_set(BDISP_CTX_STOP_REQ, ctx),
-			BDISP_WORK_TIMEOUT);
-
-	if (!ret) {
-		dev_err(ctx->bdisp_dev->dev, "%s IRQ timeout\n", __func__);
-		return -ETIMEDOUT;
-	}
-
-	return 0;
-}
-
-static void __bdisp_job_abort(struct bdisp_ctx *ctx)
-{
-	int ret;
-
-	ret = bdisp_ctx_stop_req(ctx);
-	if ((ret == -ETIMEDOUT) || (ctx->state & BDISP_CTX_ABORT)) {
-		bdisp_ctx_state_lock_clear(BDISP_CTX_STOP_REQ | BDISP_CTX_ABORT,
-					   ctx);
-		bdisp_job_finish(ctx, VB2_BUF_STATE_ERROR);
-	}
-}
-
-static void bdisp_job_abort(void *priv)
-{
-	__bdisp_job_abort((struct bdisp_ctx *)priv);
-}
-
-static int bdisp_get_addr(struct bdisp_ctx *ctx, struct vb2_buffer *vb,
-			  struct bdisp_frame *frame, dma_addr_t *paddr)
-{
-	if (!vb || !frame)
-		return -EINVAL;
-
-	paddr[0] = vb2_dma_contig_plane_dma_addr(vb, 0);
-
-	if (frame->fmt->nb_planes > 1)
-		/* UV (NV12) or U (420P) */
-		paddr[1] = (dma_addr_t)(paddr[0] +
-				frame->bytesperline * frame->height);
-
-	if (frame->fmt->nb_planes > 2)
-		/* V (420P) */
-		paddr[2] = (dma_addr_t)(paddr[1] +
-				(frame->bytesperline * frame->height) / 4);
-
-	if (frame->fmt->nb_planes > 3)
-		dev_dbg(ctx->bdisp_dev->dev, "ignoring some planes\n");
-
-	dev_dbg(ctx->bdisp_dev->dev,
-		"%s plane[0]=%pad plane[1]=%pad plane[2]=%pad\n",
-		__func__, &paddr[0], &paddr[1], &paddr[2]);
-
-	return 0;
-}
-
-static int bdisp_get_bufs(struct bdisp_ctx *ctx)
-{
-	struct bdisp_frame *src, *dst;
-	struct vb2_v4l2_buffer *src_vb, *dst_vb;
-	int ret;
-
-	src = &ctx->src;
-	dst = &ctx->dst;
-
-	src_vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
-	ret = bdisp_get_addr(ctx, &src_vb->vb2_buf, src, src->paddr);
-	if (ret)
-		return ret;
-
-	dst_vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
-	ret = bdisp_get_addr(ctx, &dst_vb->vb2_buf, dst, dst->paddr);
-	if (ret)
-		return ret;
-
-	dst_vb->vb2_buf.timestamp = src_vb->vb2_buf.timestamp;
-
-	return 0;
-}
-
-static void bdisp_device_run(void *priv)
-{
-	struct bdisp_ctx *ctx = priv;
-	struct bdisp_dev *bdisp;
-	unsigned long flags;
-	int err = 0;
-
-	if (WARN(!ctx, "Null hardware context\n"))
-		return;
-
-	bdisp = ctx->bdisp_dev;
-	dev_dbg(bdisp->dev, "%s\n", __func__);
-	spin_lock_irqsave(&bdisp->slock, flags);
-
-	if (bdisp->m2m.ctx != ctx) {
-		dev_dbg(bdisp->dev, "ctx updated: %p -> %p\n",
-			bdisp->m2m.ctx, ctx);
-		ctx->state |= BDISP_PARAMS;
-		bdisp->m2m.ctx = ctx;
-	}
-
-	if (ctx->state & BDISP_CTX_STOP_REQ) {
-		ctx->state &= ~BDISP_CTX_STOP_REQ;
-		ctx->state |= BDISP_CTX_ABORT;
-		wake_up(&bdisp->irq_queue);
-		goto out;
-	}
-
-	err = bdisp_get_bufs(ctx);
-	if (err) {
-		dev_err(bdisp->dev, "cannot get address\n");
-		goto out;
-	}
-
-	bdisp_dbg_perf_begin(bdisp);
-
-	err = bdisp_hw_reset(bdisp);
-	if (err) {
-		dev_err(bdisp->dev, "could not get HW ready\n");
-		goto out;
-	}
-
-	err = bdisp_hw_update(ctx);
-	if (err) {
-		dev_err(bdisp->dev, "could not send HW request\n");
-		goto out;
-	}
-
-	queue_delayed_work(bdisp->work_queue, &bdisp->timeout_work,
-			   BDISP_WORK_TIMEOUT);
-	set_bit(ST_M2M_RUNNING, &bdisp->state);
-out:
-	ctx->state &= ~BDISP_PARAMS;
-	spin_unlock_irqrestore(&bdisp->slock, flags);
-	if (err)
-		bdisp_job_finish(ctx, VB2_BUF_STATE_ERROR);
-}
-
-static const struct v4l2_m2m_ops bdisp_m2m_ops = {
-	.device_run     = bdisp_device_run,
-	.job_abort      = bdisp_job_abort,
-};
-
-static int __bdisp_s_ctrl(struct bdisp_ctx *ctx, struct v4l2_ctrl *ctrl)
-{
-	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;
-	default:
-		dev_err(ctx->bdisp_dev->dev, "unknown control %d\n", ctrl->id);
-		return -EINVAL;
-	}
-
-	ctx->state |= BDISP_PARAMS;
-
-	return 0;
-}
-
-static int bdisp_s_ctrl(struct v4l2_ctrl *ctrl)
-{
-	struct bdisp_ctx *ctx = container_of(ctrl->handler, struct bdisp_ctx,
-						ctrl_handler);
-	unsigned long flags;
-	int ret;
-
-	spin_lock_irqsave(&ctx->bdisp_dev->slock, flags);
-	ret = __bdisp_s_ctrl(ctx, ctrl);
-	spin_unlock_irqrestore(&ctx->bdisp_dev->slock, flags);
-
-	return ret;
-}
-
-static const struct v4l2_ctrl_ops bdisp_c_ops = {
-	.s_ctrl = bdisp_s_ctrl,
-};
-
-static int bdisp_ctrls_create(struct bdisp_ctx *ctx)
-{
-	if (ctx->ctrls_rdy)
-		return 0;
-
-	v4l2_ctrl_handler_init(&ctx->ctrl_handler, BDISP_MAX_CTRL_NUM);
-
-	ctx->bdisp_ctrls.hflip = v4l2_ctrl_new_std(&ctx->ctrl_handler,
-				&bdisp_c_ops, V4L2_CID_HFLIP, 0, 1, 1, 0);
-	ctx->bdisp_ctrls.vflip = v4l2_ctrl_new_std(&ctx->ctrl_handler,
-				&bdisp_c_ops, V4L2_CID_VFLIP, 0, 1, 1, 0);
-
-	if (ctx->ctrl_handler.error) {
-		int err = ctx->ctrl_handler.error;
-
-		v4l2_ctrl_handler_free(&ctx->ctrl_handler);
-		return err;
-	}
-
-	ctx->ctrls_rdy = true;
-
-	return 0;
-}
-
-static void bdisp_ctrls_delete(struct bdisp_ctx *ctx)
-{
-	if (ctx->ctrls_rdy) {
-		v4l2_ctrl_handler_free(&ctx->ctrl_handler);
-		ctx->ctrls_rdy = false;
-	}
-}
-
-static int bdisp_queue_setup(struct vb2_queue *vq,
-			     unsigned int *nb_buf, unsigned int *nb_planes,
-			     unsigned int sizes[], struct device *alloc_devs[])
-{
-	struct bdisp_ctx *ctx = vb2_get_drv_priv(vq);
-	struct bdisp_frame *frame = ctx_get_frame(ctx, vq->type);
-
-	if (IS_ERR(frame)) {
-		dev_err(ctx->bdisp_dev->dev, "Invalid frame (%p)\n", frame);
-		return PTR_ERR(frame);
-	}
-
-	if (!frame->fmt) {
-		dev_err(ctx->bdisp_dev->dev, "Invalid format\n");
-		return -EINVAL;
-	}
-
-	if (*nb_planes)
-		return sizes[0] < frame->sizeimage ? -EINVAL : 0;
-
-	*nb_planes = 1;
-	sizes[0] = frame->sizeimage;
-
-	return 0;
-}
-
-static int bdisp_buf_prepare(struct vb2_buffer *vb)
-{
-	struct bdisp_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
-	struct bdisp_frame *frame = ctx_get_frame(ctx, vb->vb2_queue->type);
-
-	if (IS_ERR(frame)) {
-		dev_err(ctx->bdisp_dev->dev, "Invalid frame (%p)\n", frame);
-		return PTR_ERR(frame);
-	}
-
-	if (vb->vb2_queue->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		vb2_set_plane_payload(vb, 0, frame->sizeimage);
-
-	return 0;
-}
-
-static void bdisp_buf_queue(struct vb2_buffer *vb)
-{
-	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
-	struct bdisp_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
-
-	/* return to V4L2 any 0-size buffer so it can be dequeued by user */
-	if (!vb2_get_plane_payload(vb, 0)) {
-		dev_dbg(ctx->bdisp_dev->dev, "0 data buffer, skip it\n");
-		vb2_buffer_done(vb, VB2_BUF_STATE_DONE);
-		return;
-	}
-
-	if (ctx->fh.m2m_ctx)
-		v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
-}
-
-static int bdisp_start_streaming(struct vb2_queue *q, unsigned int count)
-{
-	struct bdisp_ctx *ctx = q->drv_priv;
-	struct vb2_v4l2_buffer *buf;
-	int ret = pm_runtime_resume_and_get(ctx->bdisp_dev->dev);
-
-	if (ret < 0) {
-		dev_err(ctx->bdisp_dev->dev, "failed to set runtime PM\n");
-
-		if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) {
-			while ((buf = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx)))
-				v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
-		} else {
-			while ((buf = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx)))
-				v4l2_m2m_buf_done(buf, VB2_BUF_STATE_QUEUED);
-		}
-
-		return ret;
-	}
-
-	return 0;
-}
-
-static void bdisp_stop_streaming(struct vb2_queue *q)
-{
-	struct bdisp_ctx *ctx = q->drv_priv;
-
-	__bdisp_job_abort(ctx);
-
-	pm_runtime_put(ctx->bdisp_dev->dev);
-}
-
-static const struct vb2_ops bdisp_qops = {
-	.queue_setup     = bdisp_queue_setup,
-	.buf_prepare     = bdisp_buf_prepare,
-	.buf_queue       = bdisp_buf_queue,
-	.wait_prepare    = vb2_ops_wait_prepare,
-	.wait_finish     = vb2_ops_wait_finish,
-	.stop_streaming  = bdisp_stop_streaming,
-	.start_streaming = bdisp_start_streaming,
-};
-
-static int queue_init(void *priv,
-		      struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
-{
-	struct bdisp_ctx *ctx = priv;
-	int ret;
-
-	memset(src_vq, 0, sizeof(*src_vq));
-	src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
-	src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
-	src_vq->drv_priv = ctx;
-	src_vq->ops = &bdisp_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->lock = &ctx->bdisp_dev->lock;
-	src_vq->dev = ctx->bdisp_dev->v4l2_dev.dev;
-
-	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;
-	dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
-	dst_vq->drv_priv = ctx;
-	dst_vq->ops = &bdisp_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->lock = &ctx->bdisp_dev->lock;
-	dst_vq->dev = ctx->bdisp_dev->v4l2_dev.dev;
-
-	return vb2_queue_init(dst_vq);
-}
-
-static int bdisp_open(struct file *file)
-{
-	struct bdisp_dev *bdisp = video_drvdata(file);
-	struct bdisp_ctx *ctx = NULL;
-	int ret;
-
-	if (mutex_lock_interruptible(&bdisp->lock))
-		return -ERESTARTSYS;
-
-	/* Allocate memory for both context and node */
-	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
-	if (!ctx) {
-		ret = -ENOMEM;
-		goto unlock;
-	}
-	ctx->bdisp_dev = bdisp;
-
-	if (bdisp_hw_alloc_nodes(ctx)) {
-		dev_err(bdisp->dev, "no memory for nodes\n");
-		ret = -ENOMEM;
-		goto mem_ctx;
-	}
-
-	v4l2_fh_init(&ctx->fh, bdisp->m2m.vdev);
-
-	ret = bdisp_ctrls_create(ctx);
-	if (ret) {
-		dev_err(bdisp->dev, "Failed to create control\n");
-		goto error_fh;
-	}
-
-	/* Use separate control handler per file handle */
-	ctx->fh.ctrl_handler = &ctx->ctrl_handler;
-	file->private_data = &ctx->fh;
-	v4l2_fh_add(&ctx->fh);
-
-	/* Default format */
-	ctx->src = bdisp_dflt_fmt;
-	ctx->dst = bdisp_dflt_fmt;
-
-	/* Setup the device context for mem2mem mode. */
-	ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(bdisp->m2m.m2m_dev, ctx,
-					    queue_init);
-	if (IS_ERR(ctx->fh.m2m_ctx)) {
-		dev_err(bdisp->dev, "Failed to initialize m2m context\n");
-		ret = PTR_ERR(ctx->fh.m2m_ctx);
-		goto error_ctrls;
-	}
-
-	bdisp->m2m.refcnt++;
-	set_bit(ST_M2M_OPEN, &bdisp->state);
-
-	dev_dbg(bdisp->dev, "driver opened, ctx = 0x%p\n", ctx);
-
-	mutex_unlock(&bdisp->lock);
-
-	return 0;
-
-error_ctrls:
-	bdisp_ctrls_delete(ctx);
-	v4l2_fh_del(&ctx->fh);
-error_fh:
-	v4l2_fh_exit(&ctx->fh);
-	bdisp_hw_free_nodes(ctx);
-mem_ctx:
-	kfree(ctx);
-unlock:
-	mutex_unlock(&bdisp->lock);
-
-	return ret;
-}
-
-static int bdisp_release(struct file *file)
-{
-	struct bdisp_ctx *ctx = fh_to_ctx(file->private_data);
-	struct bdisp_dev *bdisp = ctx->bdisp_dev;
-
-	dev_dbg(bdisp->dev, "%s\n", __func__);
-
-	mutex_lock(&bdisp->lock);
-
-	v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
-
-	bdisp_ctrls_delete(ctx);
-
-	v4l2_fh_del(&ctx->fh);
-	v4l2_fh_exit(&ctx->fh);
-
-	if (--bdisp->m2m.refcnt <= 0)
-		clear_bit(ST_M2M_OPEN, &bdisp->state);
-
-	bdisp_hw_free_nodes(ctx);
-
-	kfree(ctx);
-
-	mutex_unlock(&bdisp->lock);
-
-	return 0;
-}
-
-static const struct v4l2_file_operations bdisp_fops = {
-	.owner          = THIS_MODULE,
-	.open           = bdisp_open,
-	.release        = bdisp_release,
-	.poll           = v4l2_m2m_fop_poll,
-	.unlocked_ioctl = video_ioctl2,
-	.mmap           = v4l2_m2m_fop_mmap,
-};
-
-static int bdisp_querycap(struct file *file, void *fh,
-			  struct v4l2_capability *cap)
-{
-	struct bdisp_ctx *ctx = fh_to_ctx(fh);
-	struct bdisp_dev *bdisp = ctx->bdisp_dev;
-
-	strscpy(cap->driver, bdisp->pdev->name, sizeof(cap->driver));
-	strscpy(cap->card, bdisp->pdev->name, sizeof(cap->card));
-	snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s%d",
-		 BDISP_NAME, bdisp->id);
-	return 0;
-}
-
-static int bdisp_enum_fmt(struct file *file, void *fh, struct v4l2_fmtdesc *f)
-{
-	struct bdisp_ctx *ctx = fh_to_ctx(fh);
-	const struct bdisp_fmt *fmt;
-
-	if (f->index >= ARRAY_SIZE(bdisp_formats))
-		return -EINVAL;
-
-	fmt = &bdisp_formats[f->index];
-
-	if ((fmt->pixelformat == V4L2_PIX_FMT_YUV420) &&
-	    (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
-		dev_dbg(ctx->bdisp_dev->dev, "No YU12 on capture\n");
-		return -EINVAL;
-	}
-	f->pixelformat = fmt->pixelformat;
-
-	return 0;
-}
-
-static int bdisp_g_fmt(struct file *file, void *fh, struct v4l2_format *f)
-{
-	struct bdisp_ctx *ctx = fh_to_ctx(fh);
-	struct v4l2_pix_format *pix;
-	struct bdisp_frame *frame  = ctx_get_frame(ctx, f->type);
-
-	if (IS_ERR(frame)) {
-		dev_err(ctx->bdisp_dev->dev, "Invalid frame (%p)\n", frame);
-		return PTR_ERR(frame);
-	}
-
-	pix = &f->fmt.pix;
-	pix->width = frame->width;
-	pix->height = frame->height;
-	pix->pixelformat = frame->fmt->pixelformat;
-	pix->field = frame->field;
-	pix->bytesperline = frame->bytesperline;
-	pix->sizeimage = frame->sizeimage;
-	pix->colorspace = (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) ?
-				frame->colorspace : bdisp_dflt_fmt.colorspace;
-
-	return 0;
-}
-
-static int bdisp_try_fmt(struct file *file, void *fh, struct v4l2_format *f)
-{
-	struct bdisp_ctx *ctx = fh_to_ctx(fh);
-	struct v4l2_pix_format *pix = &f->fmt.pix;
-	const struct bdisp_fmt *format;
-	u32 in_w, in_h;
-
-	format = bdisp_find_fmt(pix->pixelformat);
-	if (!format) {
-		dev_dbg(ctx->bdisp_dev->dev, "Unknown format 0x%x\n",
-			pix->pixelformat);
-		return -EINVAL;
-	}
-
-	/* YUV420P only supported for VIDEO_OUTPUT */
-	if ((format->pixelformat == V4L2_PIX_FMT_YUV420) &&
-	    (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
-		dev_dbg(ctx->bdisp_dev->dev, "No YU12 on capture\n");
-		return -EINVAL;
-	}
-
-	/* Field (interlaced only supported on OUTPUT) */
-	if ((f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
-	    (pix->field != V4L2_FIELD_INTERLACED))
-		pix->field = V4L2_FIELD_NONE;
-
-	/* Adjust width & height */
-	in_w = pix->width;
-	in_h = pix->height;
-	v4l_bound_align_image(&pix->width,
-			      BDISP_MIN_W, BDISP_MAX_W,
-			      ffs(format->w_align) - 1,
-			      &pix->height,
-			      BDISP_MIN_H, BDISP_MAX_H,
-			      ffs(format->h_align) - 1,
-			      0);
-	if ((pix->width != in_w) || (pix->height != in_h))
-		dev_dbg(ctx->bdisp_dev->dev,
-			"%s size updated: %dx%d -> %dx%d\n", __func__,
-			in_w, in_h, pix->width, pix->height);
-
-	pix->bytesperline = (pix->width * format->bpp_plane0) / 8;
-	pix->sizeimage = (pix->width * pix->height * format->bpp) / 8;
-
-	if (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
-		pix->colorspace = bdisp_dflt_fmt.colorspace;
-
-	return 0;
-}
-
-static int bdisp_s_fmt(struct file *file, void *fh, struct v4l2_format *f)
-{
-	struct bdisp_ctx *ctx = fh_to_ctx(fh);
-	struct vb2_queue *vq;
-	struct bdisp_frame *frame;
-	struct v4l2_pix_format *pix;
-	int ret;
-	u32 state;
-
-	ret = bdisp_try_fmt(file, fh, f);
-	if (ret) {
-		dev_err(ctx->bdisp_dev->dev, "Cannot set format\n");
-		return ret;
-	}
-
-	vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
-	if (vb2_is_streaming(vq)) {
-		dev_err(ctx->bdisp_dev->dev, "queue (%d) busy\n", f->type);
-		return -EBUSY;
-	}
-
-	frame = (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) ?
-			&ctx->src : &ctx->dst;
-	pix = &f->fmt.pix;
-	frame->fmt = bdisp_find_fmt(pix->pixelformat);
-	if (!frame->fmt) {
-		dev_err(ctx->bdisp_dev->dev, "Unknown format 0x%x\n",
-			pix->pixelformat);
-		return -EINVAL;
-	}
-
-	frame->width = pix->width;
-	frame->height = pix->height;
-	frame->bytesperline = pix->bytesperline;
-	frame->sizeimage = pix->sizeimage;
-	frame->field = pix->field;
-	if (f->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
-		frame->colorspace = pix->colorspace;
-
-	frame->crop.width = frame->width;
-	frame->crop.height = frame->height;
-	frame->crop.left = 0;
-	frame->crop.top = 0;
-
-	state = BDISP_PARAMS;
-	state |= (f->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) ?
-			BDISP_DST_FMT : BDISP_SRC_FMT;
-	bdisp_ctx_state_lock_set(state, ctx);
-
-	return 0;
-}
-
-static int bdisp_g_selection(struct file *file, void *fh,
-			     struct v4l2_selection *s)
-{
-	struct bdisp_frame *frame;
-	struct bdisp_ctx *ctx = fh_to_ctx(fh);
-
-	frame = ctx_get_frame(ctx, s->type);
-	if (IS_ERR(frame)) {
-		dev_err(ctx->bdisp_dev->dev, "Invalid frame (%p)\n", frame);
-		return PTR_ERR(frame);
-	}
-
-	switch (s->type) {
-	case V4L2_BUF_TYPE_VIDEO_OUTPUT:
-		switch (s->target) {
-		case V4L2_SEL_TGT_CROP:
-			/* cropped frame */
-			s->r = frame->crop;
-			break;
-		case V4L2_SEL_TGT_CROP_DEFAULT:
-		case V4L2_SEL_TGT_CROP_BOUNDS:
-			/* complete frame */
-			s->r.left = 0;
-			s->r.top = 0;
-			s->r.width = frame->width;
-			s->r.height = frame->height;
-			break;
-		default:
-			dev_err(ctx->bdisp_dev->dev, "Invalid target\n");
-			return -EINVAL;
-		}
-		break;
-
-	case V4L2_BUF_TYPE_VIDEO_CAPTURE:
-		switch (s->target) {
-		case V4L2_SEL_TGT_COMPOSE:
-		case V4L2_SEL_TGT_COMPOSE_PADDED:
-			/* composed (cropped) frame */
-			s->r = frame->crop;
-			break;
-		case V4L2_SEL_TGT_COMPOSE_DEFAULT:
-		case V4L2_SEL_TGT_COMPOSE_BOUNDS:
-			/* complete frame */
-			s->r.left = 0;
-			s->r.top = 0;
-			s->r.width = frame->width;
-			s->r.height = frame->height;
-			break;
-		default:
-			dev_err(ctx->bdisp_dev->dev, "Invalid target\n");
-			return -EINVAL;
-		}
-		break;
-
-	default:
-		dev_err(ctx->bdisp_dev->dev, "Invalid type\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int is_rect_enclosed(struct v4l2_rect *a, struct v4l2_rect *b)
-{
-	/* Return 1 if a is enclosed in b, or 0 otherwise. */
-
-	if (a->left < b->left || a->top < b->top)
-		return 0;
-
-	if (a->left + a->width > b->left + b->width)
-		return 0;
-
-	if (a->top + a->height > b->top + b->height)
-		return 0;
-
-	return 1;
-}
-
-static int bdisp_s_selection(struct file *file, void *fh,
-			     struct v4l2_selection *s)
-{
-	struct bdisp_frame *frame;
-	struct bdisp_ctx *ctx = fh_to_ctx(fh);
-	struct v4l2_rect *in, out;
-	bool valid = false;
-
-	if ((s->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) &&
-	    (s->target == V4L2_SEL_TGT_CROP))
-		valid = true;
-
-	if ((s->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
-	    (s->target == V4L2_SEL_TGT_COMPOSE))
-		valid = true;
-
-	if (!valid) {
-		dev_err(ctx->bdisp_dev->dev, "Invalid type / target\n");
-		return -EINVAL;
-	}
-
-	frame = ctx_get_frame(ctx, s->type);
-	if (IS_ERR(frame)) {
-		dev_err(ctx->bdisp_dev->dev, "Invalid frame (%p)\n", frame);
-		return PTR_ERR(frame);
-	}
-
-	in = &s->r;
-	out = *in;
-
-	/* Align and check origin */
-	out.left = ALIGN(in->left, frame->fmt->w_align);
-	out.top = ALIGN(in->top, frame->fmt->h_align);
-
-	if ((out.left < 0) || (out.left >= frame->width) ||
-	    (out.top < 0) || (out.top >= frame->height)) {
-		dev_err(ctx->bdisp_dev->dev,
-			"Invalid crop: %dx%d@(%d,%d) vs frame: %dx%d\n",
-			out.width, out.height, out.left, out.top,
-			frame->width, frame->height);
-		return -EINVAL;
-	}
-
-	/* Align and check size */
-	out.width = ALIGN(in->width, frame->fmt->w_align);
-	out.height = ALIGN(in->height, frame->fmt->w_align);
-
-	if (((out.left + out.width) > frame->width) ||
-	    ((out.top + out.height) > frame->height)) {
-		dev_err(ctx->bdisp_dev->dev,
-			"Invalid crop: %dx%d@(%d,%d) vs frame: %dx%d\n",
-			out.width, out.height, out.left, out.top,
-			frame->width, frame->height);
-		return -EINVAL;
-	}
-
-	/* Checks adjust constraints flags */
-	if (s->flags & V4L2_SEL_FLAG_LE && !is_rect_enclosed(&out, in))
-		return -ERANGE;
-
-	if (s->flags & V4L2_SEL_FLAG_GE && !is_rect_enclosed(in, &out))
-		return -ERANGE;
-
-	if ((out.left != in->left) || (out.top != in->top) ||
-	    (out.width != in->width) || (out.height != in->height)) {
-		dev_dbg(ctx->bdisp_dev->dev,
-			"%s crop updated: %dx%d@(%d,%d) -> %dx%d@(%d,%d)\n",
-			__func__, in->width, in->height, in->left, in->top,
-			out.width, out.height, out.left, out.top);
-		*in = out;
-	}
-
-	frame->crop = out;
-
-	bdisp_ctx_state_lock_set(BDISP_PARAMS, ctx);
-
-	return 0;
-}
-
-static int bdisp_streamon(struct file *file, void *fh, enum v4l2_buf_type type)
-{
-	struct bdisp_ctx *ctx = fh_to_ctx(fh);
-
-	if ((type == V4L2_BUF_TYPE_VIDEO_OUTPUT) &&
-	    !bdisp_ctx_state_is_set(BDISP_SRC_FMT, ctx)) {
-		dev_err(ctx->bdisp_dev->dev, "src not defined\n");
-		return -EINVAL;
-	}
-
-	if ((type == V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
-	    !bdisp_ctx_state_is_set(BDISP_DST_FMT, ctx)) {
-		dev_err(ctx->bdisp_dev->dev, "dst not defined\n");
-		return -EINVAL;
-	}
-
-	return v4l2_m2m_streamon(file, ctx->fh.m2m_ctx, type);
-}
-
-static const struct v4l2_ioctl_ops bdisp_ioctl_ops = {
-	.vidioc_querycap                = bdisp_querycap,
-	.vidioc_enum_fmt_vid_cap        = bdisp_enum_fmt,
-	.vidioc_enum_fmt_vid_out        = bdisp_enum_fmt,
-	.vidioc_g_fmt_vid_cap           = bdisp_g_fmt,
-	.vidioc_g_fmt_vid_out           = bdisp_g_fmt,
-	.vidioc_try_fmt_vid_cap         = bdisp_try_fmt,
-	.vidioc_try_fmt_vid_out         = bdisp_try_fmt,
-	.vidioc_s_fmt_vid_cap           = bdisp_s_fmt,
-	.vidioc_s_fmt_vid_out           = bdisp_s_fmt,
-	.vidioc_g_selection		= bdisp_g_selection,
-	.vidioc_s_selection		= bdisp_s_selection,
-	.vidioc_reqbufs                 = v4l2_m2m_ioctl_reqbufs,
-	.vidioc_create_bufs             = v4l2_m2m_ioctl_create_bufs,
-	.vidioc_expbuf                  = v4l2_m2m_ioctl_expbuf,
-	.vidioc_querybuf                = v4l2_m2m_ioctl_querybuf,
-	.vidioc_qbuf                    = v4l2_m2m_ioctl_qbuf,
-	.vidioc_dqbuf                   = v4l2_m2m_ioctl_dqbuf,
-	.vidioc_streamon                = bdisp_streamon,
-	.vidioc_streamoff               = v4l2_m2m_ioctl_streamoff,
-	.vidioc_subscribe_event         = v4l2_ctrl_subscribe_event,
-	.vidioc_unsubscribe_event       = v4l2_event_unsubscribe,
-};
-
-static int bdisp_register_device(struct bdisp_dev *bdisp)
-{
-	int ret;
-
-	if (!bdisp)
-		return -ENODEV;
-
-	bdisp->vdev.fops        = &bdisp_fops;
-	bdisp->vdev.ioctl_ops   = &bdisp_ioctl_ops;
-	bdisp->vdev.release     = video_device_release_empty;
-	bdisp->vdev.lock        = &bdisp->lock;
-	bdisp->vdev.vfl_dir     = VFL_DIR_M2M;
-	bdisp->vdev.v4l2_dev    = &bdisp->v4l2_dev;
-	bdisp->vdev.device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M;
-	snprintf(bdisp->vdev.name, sizeof(bdisp->vdev.name), "%s.%d",
-		 BDISP_NAME, bdisp->id);
-
-	video_set_drvdata(&bdisp->vdev, bdisp);
-
-	bdisp->m2m.vdev = &bdisp->vdev;
-	bdisp->m2m.m2m_dev = v4l2_m2m_init(&bdisp_m2m_ops);
-	if (IS_ERR(bdisp->m2m.m2m_dev)) {
-		dev_err(bdisp->dev, "failed to initialize v4l2-m2m device\n");
-		return PTR_ERR(bdisp->m2m.m2m_dev);
-	}
-
-	ret = video_register_device(&bdisp->vdev, VFL_TYPE_VIDEO, -1);
-	if (ret) {
-		dev_err(bdisp->dev,
-			"%s(): failed to register video device\n", __func__);
-		v4l2_m2m_release(bdisp->m2m.m2m_dev);
-		return ret;
-	}
-
-	return 0;
-}
-
-static void bdisp_unregister_device(struct bdisp_dev *bdisp)
-{
-	if (!bdisp)
-		return;
-
-	if (bdisp->m2m.m2m_dev)
-		v4l2_m2m_release(bdisp->m2m.m2m_dev);
-
-	video_unregister_device(bdisp->m2m.vdev);
-}
-
-static irqreturn_t bdisp_irq_thread(int irq, void *priv)
-{
-	struct bdisp_dev *bdisp = priv;
-	struct bdisp_ctx *ctx;
-
-	spin_lock(&bdisp->slock);
-
-	bdisp_dbg_perf_end(bdisp);
-
-	cancel_delayed_work(&bdisp->timeout_work);
-
-	if (!test_and_clear_bit(ST_M2M_RUNNING, &bdisp->state))
-		goto isr_unlock;
-
-	if (test_and_clear_bit(ST_M2M_SUSPENDING, &bdisp->state)) {
-		set_bit(ST_M2M_SUSPENDED, &bdisp->state);
-		wake_up(&bdisp->irq_queue);
-		goto isr_unlock;
-	}
-
-	ctx = v4l2_m2m_get_curr_priv(bdisp->m2m.m2m_dev);
-	if (!ctx || !ctx->fh.m2m_ctx)
-		goto isr_unlock;
-
-	spin_unlock(&bdisp->slock);
-
-	bdisp_job_finish(ctx, VB2_BUF_STATE_DONE);
-
-	if (bdisp_ctx_state_is_set(BDISP_CTX_STOP_REQ, ctx)) {
-		bdisp_ctx_state_lock_clear(BDISP_CTX_STOP_REQ, ctx);
-		wake_up(&bdisp->irq_queue);
-	}
-
-	return IRQ_HANDLED;
-
-isr_unlock:
-	spin_unlock(&bdisp->slock);
-
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t bdisp_irq_handler(int irq, void *priv)
-{
-	if (bdisp_hw_get_and_clear_irq((struct bdisp_dev *)priv))
-		return IRQ_NONE;
-	else
-		return IRQ_WAKE_THREAD;
-}
-
-static void bdisp_irq_timeout(struct work_struct *ptr)
-{
-	struct delayed_work *twork = to_delayed_work(ptr);
-	struct bdisp_dev *bdisp = container_of(twork, struct bdisp_dev,
-			timeout_work);
-	struct bdisp_ctx *ctx;
-
-	ctx = v4l2_m2m_get_curr_priv(bdisp->m2m.m2m_dev);
-
-	dev_err(ctx->bdisp_dev->dev, "Device work timeout\n");
-
-	spin_lock(&bdisp->slock);
-	clear_bit(ST_M2M_RUNNING, &bdisp->state);
-	spin_unlock(&bdisp->slock);
-
-	bdisp_hw_reset(bdisp);
-
-	bdisp_job_finish(ctx, VB2_BUF_STATE_ERROR);
-}
-
-static int bdisp_m2m_suspend(struct bdisp_dev *bdisp)
-{
-	unsigned long flags;
-	int timeout;
-
-	spin_lock_irqsave(&bdisp->slock, flags);
-	if (!test_bit(ST_M2M_RUNNING, &bdisp->state)) {
-		spin_unlock_irqrestore(&bdisp->slock, flags);
-		return 0;
-	}
-	clear_bit(ST_M2M_SUSPENDED, &bdisp->state);
-	set_bit(ST_M2M_SUSPENDING, &bdisp->state);
-	spin_unlock_irqrestore(&bdisp->slock, flags);
-
-	timeout = wait_event_timeout(bdisp->irq_queue,
-				     test_bit(ST_M2M_SUSPENDED, &bdisp->state),
-				     BDISP_WORK_TIMEOUT);
-
-	clear_bit(ST_M2M_SUSPENDING, &bdisp->state);
-
-	if (!timeout) {
-		dev_err(bdisp->dev, "%s IRQ timeout\n", __func__);
-		return -EAGAIN;
-	}
-
-	return 0;
-}
-
-static int bdisp_m2m_resume(struct bdisp_dev *bdisp)
-{
-	struct bdisp_ctx *ctx;
-	unsigned long flags;
-
-	spin_lock_irqsave(&bdisp->slock, flags);
-	ctx = bdisp->m2m.ctx;
-	bdisp->m2m.ctx = NULL;
-	spin_unlock_irqrestore(&bdisp->slock, flags);
-
-	if (test_and_clear_bit(ST_M2M_SUSPENDED, &bdisp->state))
-		bdisp_job_finish(ctx, VB2_BUF_STATE_ERROR);
-
-	return 0;
-}
-
-static int bdisp_runtime_resume(struct device *dev)
-{
-	struct bdisp_dev *bdisp = dev_get_drvdata(dev);
-	int ret = clk_enable(bdisp->clock);
-
-	if (ret)
-		return ret;
-
-	return bdisp_m2m_resume(bdisp);
-}
-
-static int bdisp_runtime_suspend(struct device *dev)
-{
-	struct bdisp_dev *bdisp = dev_get_drvdata(dev);
-	int ret = bdisp_m2m_suspend(bdisp);
-
-	if (!ret)
-		clk_disable(bdisp->clock);
-
-	return ret;
-}
-
-static int bdisp_resume(struct device *dev)
-{
-	struct bdisp_dev *bdisp = dev_get_drvdata(dev);
-	unsigned long flags;
-	int opened;
-
-	spin_lock_irqsave(&bdisp->slock, flags);
-	opened = test_bit(ST_M2M_OPEN, &bdisp->state);
-	spin_unlock_irqrestore(&bdisp->slock, flags);
-
-	if (!opened)
-		return 0;
-
-	if (!pm_runtime_suspended(dev))
-		return bdisp_runtime_resume(dev);
-
-	return 0;
-}
-
-static int bdisp_suspend(struct device *dev)
-{
-	if (!pm_runtime_suspended(dev))
-		return bdisp_runtime_suspend(dev);
-
-	return 0;
-}
-
-static const struct dev_pm_ops bdisp_pm_ops = {
-	.suspend                = bdisp_suspend,
-	.resume                 = bdisp_resume,
-	.runtime_suspend        = bdisp_runtime_suspend,
-	.runtime_resume         = bdisp_runtime_resume,
-};
-
-static int bdisp_remove(struct platform_device *pdev)
-{
-	struct bdisp_dev *bdisp = platform_get_drvdata(pdev);
-
-	bdisp_unregister_device(bdisp);
-
-	bdisp_hw_free_filters(bdisp->dev);
-
-	pm_runtime_disable(&pdev->dev);
-
-	bdisp_debugfs_remove(bdisp);
-
-	v4l2_device_unregister(&bdisp->v4l2_dev);
-
-	if (!IS_ERR(bdisp->clock))
-		clk_unprepare(bdisp->clock);
-
-	destroy_workqueue(bdisp->work_queue);
-
-	dev_dbg(&pdev->dev, "%s driver unloaded\n", pdev->name);
-
-	return 0;
-}
-
-static int bdisp_probe(struct platform_device *pdev)
-{
-	struct bdisp_dev *bdisp;
-	struct device *dev = &pdev->dev;
-	int ret;
-
-	dev_dbg(dev, "%s\n", __func__);
-
-	bdisp = devm_kzalloc(dev, sizeof(struct bdisp_dev), GFP_KERNEL);
-	if (!bdisp)
-		return -ENOMEM;
-
-	ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(32));
-	if (ret)
-		return ret;
-
-	bdisp->pdev = pdev;
-	bdisp->dev = dev;
-	platform_set_drvdata(pdev, bdisp);
-
-	if (dev->of_node)
-		bdisp->id = of_alias_get_id(pdev->dev.of_node, BDISP_NAME);
-	else
-		bdisp->id = pdev->id;
-
-	init_waitqueue_head(&bdisp->irq_queue);
-	INIT_DELAYED_WORK(&bdisp->timeout_work, bdisp_irq_timeout);
-	bdisp->work_queue = create_workqueue(BDISP_NAME);
-
-	spin_lock_init(&bdisp->slock);
-	mutex_init(&bdisp->lock);
-
-	/* get resources */
-	bdisp->regs = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(bdisp->regs)) {
-		ret = PTR_ERR(bdisp->regs);
-		goto err_wq;
-	}
-
-	bdisp->clock = devm_clk_get(dev, BDISP_NAME);
-	if (IS_ERR(bdisp->clock)) {
-		dev_err(dev, "failed to get clock\n");
-		ret = PTR_ERR(bdisp->clock);
-		goto err_wq;
-	}
-
-	ret = clk_prepare(bdisp->clock);
-	if (ret < 0) {
-		dev_err(dev, "clock prepare failed\n");
-		bdisp->clock = ERR_PTR(-EINVAL);
-		goto err_wq;
-	}
-
-	ret = platform_get_irq(pdev, 0);
-	if (ret < 0)
-		goto err_clk;
-
-	ret = devm_request_threaded_irq(dev, ret, bdisp_irq_handler,
-					bdisp_irq_thread, IRQF_ONESHOT,
-					pdev->name, bdisp);
-	if (ret) {
-		dev_err(dev, "failed to install irq\n");
-		goto err_clk;
-	}
-
-	/* v4l2 register */
-	ret = v4l2_device_register(dev, &bdisp->v4l2_dev);
-	if (ret) {
-		dev_err(dev, "failed to register\n");
-		goto err_clk;
-	}
-
-	/* Debug */
-	bdisp_debugfs_create(bdisp);
-
-	/* Power management */
-	pm_runtime_enable(dev);
-	ret = pm_runtime_resume_and_get(dev);
-	if (ret < 0) {
-		dev_err(dev, "failed to set PM\n");
-		goto err_remove;
-	}
-
-	/* Filters */
-	if (bdisp_hw_alloc_filters(bdisp->dev)) {
-		dev_err(bdisp->dev, "no memory for filters\n");
-		ret = -ENOMEM;
-		goto err_pm;
-	}
-
-	/* Register */
-	ret = bdisp_register_device(bdisp);
-	if (ret) {
-		dev_err(dev, "failed to register\n");
-		goto err_filter;
-	}
-
-	dev_info(dev, "%s%d registered as /dev/video%d\n", BDISP_NAME,
-		 bdisp->id, bdisp->vdev.num);
-
-	pm_runtime_put(dev);
-
-	return 0;
-
-err_filter:
-	bdisp_hw_free_filters(bdisp->dev);
-err_pm:
-	pm_runtime_put(dev);
-err_remove:
-	pm_runtime_disable(dev);
-	bdisp_debugfs_remove(bdisp);
-	v4l2_device_unregister(&bdisp->v4l2_dev);
-err_clk:
-	if (!IS_ERR(bdisp->clock))
-		clk_unprepare(bdisp->clock);
-err_wq:
-	destroy_workqueue(bdisp->work_queue);
-	return ret;
-}
-
-static const struct of_device_id bdisp_match_types[] = {
-	{
-		.compatible = "st,stih407-bdisp",
-	},
-	{ /* end node */ }
-};
-
-MODULE_DEVICE_TABLE(of, bdisp_match_types);
-
-static struct platform_driver bdisp_driver = {
-	.probe          = bdisp_probe,
-	.remove         = bdisp_remove,
-	.driver         = {
-		.name           = BDISP_NAME,
-		.of_match_table = bdisp_match_types,
-		.pm             = &bdisp_pm_ops,
-	},
-};
-
-module_platform_driver(bdisp_driver);
-
-MODULE_DESCRIPTION("2D blitter for STMicroelectronics SoC");
-MODULE_AUTHOR("Fabien Dessenne <fabien.dessenne@st.com>");
-MODULE_LICENSE("GPL");