[media] coda: alert userspace about macroblock errors
If the CODA reports macroblock errors, also set the VB2_BUF_STATE_ERROR flag
to alert userspace.
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>
diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c
index c7e557a5..d4e7003 100644
--- a/drivers/media/platform/coda.c
+++ b/drivers/media/platform/coda.c
@@ -243,6 +243,7 @@
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;
@@ -3016,6 +3017,7 @@
int display_idx;
u32 src_fourcc;
int success;
+ u32 err_mb;
u32 val;
dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
@@ -3085,10 +3087,10 @@
/* 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);
@@ -3151,6 +3153,8 @@
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) {
@@ -3183,8 +3187,8 @@
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",