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drivers: media: pisp_be: Update seqeuence numbers of the buffers

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Add a framebuffer sequence counter and increment on every completed job.
This counter is then used to update the VB2 buffer sequence count before
calling vb2_buffer_done().

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
This commit is contained in:
Naushir Patuck
2024-01-29 09:02:03 +00:00
committed by Phil Elwell
parent 1023dcfccd
commit f74893f8a0
1 changed files with 5 additions and 0 deletions
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5
drivers/media/platform/raspberrypi/pisp_be/pisp_be.c
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@@ -203,6 +203,7 @@ struct pispbe_node_group {
struct media_pad pad[PISPBE_NUM_NODES]; /* output pads first */
struct pisp_be_tiles_config *config;
dma_addr_t config_dma_addr;
unsigned int sequence;
};
/* Records details of the jobs currently running or queued on the h/w. */
@@ -703,10 +704,13 @@ static void pispbe_isr_jobdone(struct pispbe_dev *pispbe,
for (i = 0; i < PISPBE_NUM_NODES; i++) {
if (buf[i]) {
buf[i]->vb.vb2_buf.timestamp = ts;
buf[i]->vb.sequence = job->node_group->sequence;
vb2_buffer_done(&buf[i]->vb.vb2_buf,
VB2_BUF_STATE_DONE);
}
}
job->node_group->sequence++;
}
static irqreturn_t pispbe_isr(int irq, void *dev)
@@ -962,6 +966,7 @@ static int pispbe_node_start_streaming(struct vb2_queue *q, unsigned int count)
spin_lock_irqsave(&pispbe->hw_lock, flags);
node->node_group->streaming_map |= BIT(node->id);
node->node_group->sequence = 0;
spin_unlock_irqrestore(&pispbe->hw_lock, flags);
dev_dbg(pispbe->dev, "%s: for node %s (count %u)\n",