> From: linux-media-owner@xxxxxxxxxxxxxxx [mailto:linux-media- > owner@xxxxxxxxxxxxxxx] On Behalf Of Sylwester Nawrocki > Sent: Saturday, October 12, 2013 2:32 PM > Subject: [PATCH RFC v2 10/10] s5p-g2d: Use mem-to-mem ioctl helpers > > Simplify the driver by using the m2m ioctl and vb2 helpers. > > Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> > Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> Acked-by: Kamil Debski <k.debski@xxxxxxxxxxx> > --- > Changes since v1: > - use m2m context pointer from struct v4l2_fh. > --- > drivers/media/platform/s5p-g2d/g2d.c | 124 ++++++-------------------- > -------- > drivers/media/platform/s5p-g2d/g2d.h | 1 - > 2 files changed, 21 insertions(+), 104 deletions(-) > > diff --git a/drivers/media/platform/s5p-g2d/g2d.c > b/drivers/media/platform/s5p-g2d/g2d.c > index fd6289d..9c12008 100644 > --- a/drivers/media/platform/s5p-g2d/g2d.c > +++ b/drivers/media/platform/s5p-g2d/g2d.c > @@ -136,10 +136,9 @@ static int g2d_buf_prepare(struct vb2_buffer *vb) > static void g2d_buf_queue(struct vb2_buffer *vb) { > struct g2d_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); > - v4l2_m2m_buf_queue(ctx->m2m_ctx, vb); > + v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb); > } > > - > static struct vb2_ops g2d_qops = { > .queue_setup = g2d_queue_setup, > .buf_prepare = g2d_buf_prepare, > @@ -159,6 +158,7 @@ static int queue_init(void *priv, struct vb2_queue > *src_vq, > src_vq->mem_ops = &vb2_dma_contig_memops; > src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); > src_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; > + src_vq->lock = &ctx->dev->mutex; > > ret = vb2_queue_init(src_vq); > if (ret) > @@ -171,6 +171,7 @@ static int queue_init(void *priv, struct vb2_queue > *src_vq, > dst_vq->mem_ops = &vb2_dma_contig_memops; > dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); > dst_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; > + dst_vq->lock = &ctx->dev->mutex; > > return vb2_queue_init(dst_vq); > } > @@ -253,9 +254,9 @@ static int g2d_open(struct file *file) > kfree(ctx); > return -ERESTARTSYS; > } > - ctx->m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init); > - if (IS_ERR(ctx->m2m_ctx)) { > - ret = PTR_ERR(ctx->m2m_ctx); > + ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, > &queue_init); > + if (IS_ERR(ctx->fh.m2m_ctx)) { > + ret = PTR_ERR(ctx->fh.m2m_ctx); > mutex_unlock(&dev->mutex); > kfree(ctx); > return ret; > @@ -324,7 +325,7 @@ static int vidioc_g_fmt(struct file *file, void > *prv, struct v4l2_format *f) > struct vb2_queue *vq; > struct g2d_frame *frm; > > - vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); > + vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type); > if (!vq) > return -EINVAL; > frm = get_frame(ctx, f->type); > @@ -384,7 +385,7 @@ static int vidioc_s_fmt(struct file *file, void > *prv, struct v4l2_format *f) > ret = vidioc_try_fmt(file, prv, f); > if (ret) > return ret; > - vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); > + vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type); > if (vb2_is_busy(vq)) { > v4l2_err(&dev->v4l2_dev, "queue (%d) bust\n", f->type); > return -EBUSY; > @@ -410,72 +411,6 @@ static int vidioc_s_fmt(struct file *file, void > *prv, struct v4l2_format *f) > return 0; > } > > -static unsigned int g2d_poll(struct file *file, struct > poll_table_struct *wait) -{ > - struct g2d_ctx *ctx = fh2ctx(file->private_data); > - struct g2d_dev *dev = ctx->dev; > - unsigned int res; > - > - mutex_lock(&dev->mutex); > - res = v4l2_m2m_poll(file, ctx->m2m_ctx, wait); > - mutex_unlock(&dev->mutex); > - return res; > -} > - > -static int g2d_mmap(struct file *file, struct vm_area_struct *vma) -{ > - struct g2d_ctx *ctx = fh2ctx(file->private_data); > - struct g2d_dev *dev = ctx->dev; > - int ret; > - > - if (mutex_lock_interruptible(&dev->mutex)) > - return -ERESTARTSYS; > - ret = v4l2_m2m_mmap(file, ctx->m2m_ctx, vma); > - mutex_unlock(&dev->mutex); > - return ret; > -} > - > -static int vidioc_reqbufs(struct file *file, void *priv, > - struct v4l2_requestbuffers *reqbufs) > -{ > - struct g2d_ctx *ctx = priv; > - return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); > -} > - > -static int vidioc_querybuf(struct file *file, void *priv, > - struct v4l2_buffer *buf) > -{ > - struct g2d_ctx *ctx = priv; > - return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); > -} > - > -static int vidioc_qbuf(struct file *file, void *priv, struct > v4l2_buffer *buf) -{ > - struct g2d_ctx *ctx = priv; > - return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); > -} > - > -static int vidioc_dqbuf(struct file *file, void *priv, struct > v4l2_buffer *buf) -{ > - struct g2d_ctx *ctx = priv; > - return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); > -} > - > - > -static int vidioc_streamon(struct file *file, void *priv, > - enum v4l2_buf_type type) > -{ > - struct g2d_ctx *ctx = priv; > - return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); > -} > - > -static int vidioc_streamoff(struct file *file, void *priv, > - enum v4l2_buf_type type) > -{ > - struct g2d_ctx *ctx = priv; > - return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); > -} > - > static int vidioc_cropcap(struct file *file, void *priv, > struct v4l2_cropcap *cr) > { > @@ -551,20 +486,6 @@ static int vidioc_s_crop(struct file *file, void > *prv, const struct v4l2_crop *c > return 0; > } > > -static void g2d_lock(void *prv) > -{ > - struct g2d_ctx *ctx = prv; > - struct g2d_dev *dev = ctx->dev; > - mutex_lock(&dev->mutex); > -} > - > -static void g2d_unlock(void *prv) > -{ > - struct g2d_ctx *ctx = prv; > - struct g2d_dev *dev = ctx->dev; > - mutex_unlock(&dev->mutex); > -} > - > static void job_abort(void *prv) > { > struct g2d_ctx *ctx = prv; > @@ -589,8 +510,8 @@ static void device_run(void *prv) > > dev->curr = ctx; > > - src = v4l2_m2m_next_src_buf(ctx->m2m_ctx); > - dst = v4l2_m2m_next_dst_buf(ctx->m2m_ctx); > + src = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); > + dst = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); > > clk_enable(dev->gate); > g2d_reset(dev); > @@ -631,8 +552,8 @@ static irqreturn_t g2d_isr(int irq, void *prv) > > BUG_ON(ctx == NULL); > > - src = v4l2_m2m_src_buf_remove(ctx->m2m_ctx); > - dst = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx); > + src = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); > + dst = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); > > BUG_ON(src == NULL); > BUG_ON(dst == NULL); > @@ -642,7 +563,7 @@ static irqreturn_t g2d_isr(int irq, void *prv) > > v4l2_m2m_buf_done(src, VB2_BUF_STATE_DONE); > v4l2_m2m_buf_done(dst, VB2_BUF_STATE_DONE); > - v4l2_m2m_job_finish(dev->m2m_dev, ctx->m2m_ctx); > + v4l2_m2m_job_finish(dev->m2m_dev, ctx->fh.m2m_ctx); > > dev->curr = NULL; > wake_up(&dev->irq_queue); > @@ -653,9 +574,9 @@ static const struct v4l2_file_operations g2d_fops = > { > .owner = THIS_MODULE, > .open = g2d_open, > .release = g2d_release, > - .poll = g2d_poll, > + .poll = v4l2_m2m_fop_poll, > .unlocked_ioctl = video_ioctl2, > - .mmap = g2d_mmap, > + .mmap = v4l2_m2m_fop_mmap, > }; > > static const struct v4l2_ioctl_ops g2d_ioctl_ops = { @@ -671,14 > +592,13 @@ static const struct v4l2_ioctl_ops g2d_ioctl_ops = { > .vidioc_try_fmt_vid_out = vidioc_try_fmt, > .vidioc_s_fmt_vid_out = vidioc_s_fmt, > > - .vidioc_reqbufs = vidioc_reqbufs, > - .vidioc_querybuf = vidioc_querybuf, > - > - .vidioc_qbuf = vidioc_qbuf, > - .vidioc_dqbuf = vidioc_dqbuf, > + .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, > + .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, > + .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, > + .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, > > - .vidioc_streamon = vidioc_streamon, > - .vidioc_streamoff = vidioc_streamoff, > + .vidioc_streamon = v4l2_m2m_ioctl_streamon, > + .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, > > .vidioc_g_crop = vidioc_g_crop, > .vidioc_s_crop = vidioc_s_crop, > @@ -697,8 +617,6 @@ static struct video_device g2d_videodev = { static > struct v4l2_m2m_ops g2d_m2m_ops = { > .device_run = device_run, > .job_abort = job_abort, > - .lock = g2d_lock, > - .unlock = g2d_unlock, > }; > > static const struct of_device_id exynos_g2d_match[]; diff --git > a/drivers/media/platform/s5p-g2d/g2d.h b/drivers/media/platform/s5p- > g2d/g2d.h > index 300ca05..b0e52ab 100644 > --- a/drivers/media/platform/s5p-g2d/g2d.h > +++ b/drivers/media/platform/s5p-g2d/g2d.h > @@ -57,7 +57,6 @@ struct g2d_frame { > struct g2d_ctx { > struct v4l2_fh fh; > struct g2d_dev *dev; > - struct v4l2_m2m_ctx *m2m_ctx; > struct g2d_frame in; > struct g2d_frame out; > struct v4l2_ctrl *ctrl_hflip; > -- > 1.7.4.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" > in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo > info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
