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staging: media: imx: vdic: Drop unused prepare_vdi_in_buffers()

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This function is unused and unlikely to be used in the near future.
Remove it.

Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Marek Vasut
2024-10-03 14:27:30 +02:00
committed by Hans Verkuil
parent acd83e8e68
commit 5efde2811c
1 changed files with 0 additions and 54 deletions
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drivers/staging/media/imx/imx-media-vdic.c
-54
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@@ -180,60 +180,6 @@ out:
return ret;
}
/*
* This function is currently unused, but will be called when the
* output/mem2mem device at the IDMAC input pad sends us a new
* buffer. It kicks off the IDMAC read channels to bring in the
* buffer fields from memory and begin the conversions.
*/
static void __maybe_unused prepare_vdi_in_buffers(struct vdic_priv *priv,
struct imx_media_buffer *curr)
{
dma_addr_t prev_phys, curr_phys, next_phys;
struct imx_media_buffer *prev;
struct vb2_buffer *curr_vb, *prev_vb;
u32 fs = priv->field_size;
u32 is = priv->in_stride;
/* current input buffer is now previous */
priv->prev_in_buf = priv->curr_in_buf;
priv->curr_in_buf = curr;
prev = priv->prev_in_buf ? priv->prev_in_buf : curr;
prev_vb = &prev->vbuf.vb2_buf;
curr_vb = &curr->vbuf.vb2_buf;
switch (priv->fieldtype) {
case V4L2_FIELD_SEQ_TB:
case V4L2_FIELD_SEQ_BT:
prev_phys = vb2_dma_contig_plane_dma_addr(prev_vb, 0) + fs;
curr_phys = vb2_dma_contig_plane_dma_addr(curr_vb, 0);
next_phys = vb2_dma_contig_plane_dma_addr(curr_vb, 0) + fs;
break;
case V4L2_FIELD_INTERLACED_TB:
case V4L2_FIELD_INTERLACED_BT:
case V4L2_FIELD_INTERLACED:
prev_phys = vb2_dma_contig_plane_dma_addr(prev_vb, 0) + is;
curr_phys = vb2_dma_contig_plane_dma_addr(curr_vb, 0);
next_phys = vb2_dma_contig_plane_dma_addr(curr_vb, 0) + is;
break;
default:
/*
* can't get here, priv->fieldtype can only be one of
* the above. This is to quiet smatch errors.
*/
return;
}
ipu_cpmem_set_buffer(priv->vdi_in_ch_p, 0, prev_phys);
ipu_cpmem_set_buffer(priv->vdi_in_ch, 0, curr_phys);
ipu_cpmem_set_buffer(priv->vdi_in_ch_n, 0, next_phys);
ipu_idmac_select_buffer(priv->vdi_in_ch_p, 0);
ipu_idmac_select_buffer(priv->vdi_in_ch, 0);
ipu_idmac_select_buffer(priv->vdi_in_ch_n, 0);
}
static int setup_vdi_channel(struct vdic_priv *priv,
struct ipuv3_channel *channel,
dma_addr_t phys0, dma_addr_t phys1)