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path: root/drivers/media/platform/coda/coda-bit.c
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Diffstat (limited to 'drivers/media/platform/coda/coda-bit.c')
-rw-r--r--drivers/media/platform/coda/coda-bit.c73
1 files changed, 51 insertions, 22 deletions
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index bf75927bac4e..2f42808c43a4 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -13,6 +13,7 @@
#include <linux/kernel.h>
#include <linux/log2.h>
#include <linux/platform_device.h>
+#include <linux/ratelimit.h>
#include <linux/reset.h>
#include <linux/slab.h>
#include <linux/videodev2.h>
@@ -293,12 +294,11 @@ static bool coda_bitstream_try_queue(struct coda_ctx *ctx,
coda_dbg(1, ctx,
"could not parse header, sequence initialization might fail\n");
}
- }
- /* Add padding before the first buffer, if it is too small */
- if (ctx->qsequence == 0 && payload < 512 &&
- ctx->codec->src_fourcc == V4L2_PIX_FMT_H264)
- coda_h264_bitstream_pad(ctx, 512 - payload);
+ /* Add padding before the first buffer, if it is too small */
+ if (ctx->codec->src_fourcc == V4L2_PIX_FMT_H264)
+ coda_h264_bitstream_pad(ctx, 512 - payload);
+ }
ret = coda_bitstream_queue(ctx, vaddr, payload);
if (ret < 0) {
@@ -1837,6 +1837,29 @@ static bool coda_reorder_enable(struct coda_ctx *ctx)
return profile > V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE;
}
+static void coda_decoder_drop_used_metas(struct coda_ctx *ctx)
+{
+ struct coda_buffer_meta *meta, *tmp;
+
+ /*
+ * All metas that end at or before the RD pointer (fifo out),
+ * are now consumed by the VPU and should be released.
+ */
+ spin_lock(&ctx->buffer_meta_lock);
+ list_for_each_entry_safe(meta, tmp, &ctx->buffer_meta_list, list) {
+ if (ctx->bitstream_fifo.kfifo.out >= meta->end) {
+ coda_dbg(2, ctx, "releasing meta: seq=%d start=%d end=%d\n",
+ meta->sequence, meta->start, meta->end);
+
+ list_del(&meta->list);
+ ctx->num_metas--;
+ ctx->first_frame_sequence++;
+ kfree(meta);
+ }
+ }
+ spin_unlock(&ctx->buffer_meta_lock);
+}
+
static int __coda_decoder_seq_init(struct coda_ctx *ctx)
{
struct coda_q_data *q_data_src, *q_data_dst;
@@ -1922,10 +1945,17 @@ static int __coda_decoder_seq_init(struct coda_ctx *ctx)
}
ctx->sequence_offset = ~0U;
ctx->initialized = 1;
+ ctx->first_frame_sequence = 0;
/* Update kfifo out pointer from coda bitstream read pointer */
coda_kfifo_sync_from_device(ctx);
+ /*
+ * After updating the read pointer, we need to check if
+ * any metas are consumed and should be released.
+ */
+ coda_decoder_drop_used_metas(ctx);
+
if (coda_read(dev, CODA_RET_DEC_SEQ_SUCCESS) == 0) {
v4l2_err(&dev->v4l2_dev,
"CODA_COMMAND_SEQ_INIT failed, error code = 0x%x\n",
@@ -2005,21 +2035,13 @@ static void coda_dec_seq_init_work(struct work_struct *work)
struct coda_ctx *ctx = container_of(work,
struct coda_ctx, seq_init_work);
struct coda_dev *dev = ctx->dev;
- int ret;
mutex_lock(&ctx->buffer_mutex);
mutex_lock(&dev->coda_mutex);
- if (ctx->initialized == 1)
- goto out;
-
- ret = __coda_decoder_seq_init(ctx);
- if (ret < 0)
- goto out;
-
- ctx->initialized = 1;
+ if (!ctx->initialized)
+ __coda_decoder_seq_init(ctx);
-out:
mutex_unlock(&dev->coda_mutex);
mutex_unlock(&ctx->buffer_mutex);
}
@@ -2348,9 +2370,12 @@ static void coda_finish_decode(struct coda_ctx *ctx)
}
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", err_mb);
+ if (err_mb > 0) {
+ if (__ratelimit(&dev->mb_err_rs))
+ coda_dbg(1, ctx, "errors in %d macroblocks\n", err_mb);
+ v4l2_ctrl_s_ctrl(ctx->mb_err_cnt_ctrl,
+ v4l2_ctrl_g_ctrl(ctx->mb_err_cnt_ctrl) + err_mb);
+ }
if (dev->devtype->product == CODA_HX4 ||
dev->devtype->product == CODA_7541) {
@@ -2404,12 +2429,16 @@ static void coda_finish_decode(struct coda_ctx *ctx)
v4l2_err(&dev->v4l2_dev,
"decoded frame index out of range: %d\n", decoded_idx);
} else {
+ int sequence;
+
decoded_frame = &ctx->internal_frames[decoded_idx];
val = coda_read(dev, CODA_RET_DEC_PIC_FRAME_NUM);
if (ctx->sequence_offset == -1)
ctx->sequence_offset = val;
- val -= ctx->sequence_offset;
+
+ sequence = val + ctx->first_frame_sequence
+ - ctx->sequence_offset;
spin_lock(&ctx->buffer_meta_lock);
if (!list_empty(&ctx->buffer_meta_list)) {
meta = list_first_entry(&ctx->buffer_meta_list,
@@ -2424,10 +2453,10 @@ static void coda_finish_decode(struct coda_ctx *ctx)
* should be enough to detect most errors and saves us
* from doing different things based on the format.
*/
- if ((val & 0xffff) != (meta->sequence & 0xffff)) {
+ if ((sequence & 0xffff) != (meta->sequence & 0xffff)) {
v4l2_err(&dev->v4l2_dev,
"sequence number mismatch (%d(%d) != %d)\n",
- val, ctx->sequence_offset,
+ sequence, ctx->sequence_offset,
meta->sequence);
}
decoded_frame->meta = *meta;
@@ -2437,7 +2466,7 @@ static void coda_finish_decode(struct coda_ctx *ctx)
v4l2_err(&dev->v4l2_dev, "empty timestamp list!\n");
memset(&decoded_frame->meta, 0,
sizeof(struct coda_buffer_meta));
- decoded_frame->meta.sequence = val;
+ decoded_frame->meta.sequence = sequence;
decoded_frame->meta.last = false;
ctx->sequence_offset++;
}