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[media] s5p-mfc: flush dpbs when resolution changes 

While resolution change is detected by MFC, we flush out
older dpbs, send the resolution change event to application,
and then accept further queuing of new src buffers.

Sometimes, we error out during dpb flush because of lack of src
buffers. Since we have not started decoding new resolution yet,
it is simpler to push zero-size buffer until we flush out all dpbs.

This is already been done while handling EOS command, and this patch
extends the same logic to resolution change as well.

Signed-off-by: Kiran AVND <avnd.kiran@samsung.com>
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Kiran AVND 2014-10-21 08:07:04 -03:00 committed by Mauro Carvalho Chehab
parent b16e64482d
commit 16258649bf
1 changed files with 2 additions and 18 deletions
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20
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
View File

@ -1532,27 +1532,11 @@ static inline int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev)
static inline void s5p_mfc_run_dec_last_frames(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
struct s5p_mfc_buf *temp_vb;
unsigned long flags;
spin_lock_irqsave(&dev->irqlock, flags);
/* Frames are being decoded */
if (list_empty(&ctx->src_queue)) {
mfc_debug(2, "No src buffers.\n");
spin_unlock_irqrestore(&dev->irqlock, flags);
return;
}
/* Get the next source buffer */
temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
temp_vb->flags |= MFC_BUF_FLAG_USED;
s5p_mfc_set_dec_stream_buffer_v6(ctx,
vb2_dma_contig_plane_dma_addr(temp_vb->b, 0), 0, 0);
spin_unlock_irqrestore(&dev->irqlock, flags);
s5p_mfc_set_dec_stream_buffer_v6(ctx, 0, 0, 0);
dev->curr_ctx = ctx->num;
s5p_mfc_clean_ctx_int_flags(ctx);
s5p_mfc_decode_one_frame_v6(ctx, 1);
s5p_mfc_decode_one_frame_v6(ctx, MFC_DEC_LAST_FRAME);
}
static inline int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx)