If the CODA reports macroblock errors, also set the VB2_BUF_STATE_ERROR flag
to alert userspace.
Signed-off-by: Philipp Zabel <p.za...@pengutronix.de>
---
drivers/media/platform/coda.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
index 9de0af0..93836c8 100644
--- a/drivers/media/platform/coda.c
+++ b/drivers/media/platform/coda.c
@@ -243,6 +243,7 @@ struct coda_ctx {
struct coda_aux_buf internal_frames[CODA_MAX_FRAMEBUFFERS];
u32 frame_types[CODA_MAX_FRAMEBUFFERS];
struct coda_timestamp frame_timestamps[CODA_MAX_FRAMEBUFFERS];
+ u32 frame_errors[CODA_MAX_FRAMEBUFFERS];
struct list_head timestamp_list;
struct coda_aux_buf workbuf;
int num_internal_frames;
@@ -3069,6 +3070,7 @@ static void coda_finish_decode(struct coda_ctx *ctx)
int display_idx;
u32 src_fourcc;
int success;
+ u32 err_mb;
u32 val;
dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
@@ -3138,10 +3140,10 @@ static void coda_finish_decode(struct coda_ctx *ctx)
/* no cropping */
}
- val = coda_read(dev, CODA_RET_DEC_PIC_ERR_MB);
- if (val > 0)
+ err_mb = coda_read(dev, CODA_RET_DEC_PIC_ERR_MB);
+ if (err_mb > 0)
v4l2_err(&dev->v4l2_dev,
- "errors in %d macroblocks\n", val);
+ "errors in %d macroblocks\n", err_mb);
if (dev->devtype->product == CODA_7541) {
val = coda_read(dev, CODA_RET_DEC_PIC_OPTION);
@@ -3204,6 +3206,8 @@ static void coda_finish_decode(struct coda_ctx *ctx)
ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_PFRAME;
else
ctx->frame_types[decoded_idx] = V4L2_BUF_FLAG_BFRAME;
+
+ ctx->frame_errors[decoded_idx] = err_mb;
}
if (display_idx == -1) {
@@ -3235,8 +3239,8 @@ static void coda_finish_decode(struct coda_ctx *ctx)
vb2_set_plane_payload(dst_buf, 0, width * height * 3 / 2);
- v4l2_m2m_buf_done(dst_buf, success ? VB2_BUF_STATE_DONE :
- VB2_BUF_STATE_ERROR);
+ v4l2_m2m_buf_done(dst_buf, ctx->frame_errors[display_idx] ?
+ VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE);
v4l2_dbg(1, coda_debug, &dev->v4l2_dev,
"job finished: decoding frame (%d) (%s)\n",
--
2.0.0.rc2
--
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