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[media] coda: move per-instance buffer allocation and cleanup

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This patch moves the context buffer allocation into the context start_streaming
callbacks. The context buffer and internal framebuffer cleanup is moved into
the context release callback.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Philipp Zabel 2014-07-23 12:28:43 -03:00 committed by Mauro Carvalho Chehab
parent 347bb7f019
commit 58b7677db0
1 changed files with 21 additions and 10 deletions
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31
drivers/media/platform/coda/coda-common.c
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@ -1861,6 +1861,11 @@ static int __coda_start_decoding(struct coda_ctx *ctx)
bitstream_size = ctx->bitstream.size;
src_fourcc = q_data_src->fourcc;
/* Allocate per-instance buffers */
ret = coda_alloc_context_buffers(ctx, q_data_src);
if (ret < 0)
return ret;
coda_write(dev, ctx->parabuf.paddr, CODA_REG_BIT_PARA_BUF_ADDR);
/* Update coda bitstream read and write pointers from kfifo */
@ -2137,11 +2142,6 @@ static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
return -EINVAL;
}
/* Allocate per-instance buffers */
ret = coda_alloc_context_buffers(ctx, q_data_src);
if (ret < 0)
return ret;
ret = ctx->ops->start_streaming(ctx);
if (ctx->inst_type == CODA_INST_DECODER) {
if (ret == -EAGAIN)
@ -2168,6 +2168,11 @@ static int coda_start_encoding(struct coda_ctx *ctx)
q_data_dst = get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
dst_fourcc = q_data_dst->fourcc;
/* Allocate per-instance buffers */
ret = coda_alloc_context_buffers(ctx, q_data_src);
if (ret < 0)
return ret;
buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
bitstream_buf = vb2_dma_contig_plane_dma_addr(buf, 0);
bitstream_size = q_data_dst->sizeimage;
@ -2838,7 +2843,6 @@ static int coda_open(struct file *file, enum coda_inst_type inst_type,
return 0;
err_dma_writecombine:
coda_free_context_buffers(ctx);
if (ctx->dev->devtype->product == CODA_DX6)
coda_free_aux_buf(dev, &ctx->workbuf);
coda_free_aux_buf(dev, &ctx->parabuf);
@ -2861,12 +2865,19 @@ err_coda_max:
return ret;
}
static void coda_bit_release(struct coda_ctx *ctx)
{
coda_free_framebuffers(ctx);
coda_free_context_buffers(ctx);
}
struct coda_context_ops coda_encode_ops = {
.queue_init = coda_encoder_queue_init,
.start_streaming = coda_start_encoding,
.prepare_run = coda_prepare_encode,
.finish_run = coda_finish_encode,
.seq_end_work = coda_seq_end_work,
.release = coda_bit_release,
};
struct coda_context_ops coda_decode_ops = {
@ -2874,7 +2885,8 @@ struct coda_context_ops coda_decode_ops = {
.start_streaming = coda_start_decoding,
.prepare_run = coda_prepare_decode,
.finish_run = coda_finish_decode,
.seq_end_work = coda_seq_end_work
.seq_end_work = coda_seq_end_work,
.release = coda_bit_release,
};
static int coda_encoder_open(struct file *file)
@ -2906,15 +2918,12 @@ static int coda_release(struct file *file)
flush_work(&ctx->seq_end_work);
}
coda_free_framebuffers(ctx);
coda_lock(ctx);
list_del(&ctx->list);
coda_unlock(ctx);
dma_free_writecombine(&dev->plat_dev->dev, ctx->bitstream.size,
ctx->bitstream.vaddr, ctx->bitstream.paddr);
coda_free_context_buffers(ctx);
if (ctx->dev->devtype->product == CODA_DX6)
coda_free_aux_buf(dev, &ctx->workbuf);
@ -2926,6 +2935,8 @@ static int coda_release(struct file *file)
v4l2_fh_del(&ctx->fh);
v4l2_fh_exit(&ctx->fh);
clear_bit(ctx->idx, &dev->instance_mask);
if (ctx->ops->release)
ctx->ops->release(ctx);
kfree(ctx);
return 0;