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v4l2: raise the capture buffer cap from four to eight #345

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v4l2: raise the capture buffer cap from four to eight #345

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d7b543e
v4l2: log the descriptor belonging to the queued buffer
vrilutza Sep 16, 2026
b1a9b40
v4l2: allow up to eight capture buffers within the memory budget
vrilutza Sep 16, 2026
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2 changes: 1 addition & 1 deletion fthd_drv.h
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,7 @@
#define FTHD_PCI_S2_MEM 2
#define FTHD_PCI_ISP_IO 4

#define FTHD_BUFFERS 4
#define FTHD_BUFFERS 8

enum FW_CHAN_TYPE {
FW_CHAN_TYPE_OUT=0,
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2 changes: 1 addition & 1 deletion fthd_v4l2.c
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Expand Up @@ -160,7 +160,7 @@ static void fthd_buffer_queue(struct vb2_buffer *vb)
ctx->state = BUF_HW_QUEUED;
wmb();
pr_debug("%d: field0: %d, count %d, pool %d, addr0 0x%08x, addr1 0x%08x tag 0x%08llx vb = %p\n", i, list->field0,
list->desc[i].count, list->desc[i].pool, list->desc[i].addr0, list->desc[i].addr1, list->desc[i].tag, ctx->vb);
list->desc[0].count, list->desc[0].pool, list->desc[0].addr0, list->desc[0].addr1, list->desc[0].tag, ctx->vb);

if (fthd_send_h2t_buffer(dev_priv, ctx)) {
vb2_buffer_done(vb, VB2_BUF_STATE_ERROR);
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