[PATCH] gpu: ipu-v3: vdic: Drop unused prepare_vdi_in_buffers()

From: Marek Vasut
Date: Thu Oct 03 2024 - 08:28:52 EST


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

Signed-off-by: Marek Vasut <marex@xxxxxxx>
---
Cc: Fabio Estevam <festevam@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Cc: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>
Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
Cc: Steve Longerbeam <slongerbeam@xxxxxxxxx>
Cc: imx@xxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-media@xxxxxxxxxxxxxxx
Cc: linux-staging@xxxxxxxxxxxxxxx
---
drivers/staging/media/imx/imx-media-vdic.c | 54 ----------------------
1 file changed, 54 deletions(-)

diff --git a/drivers/staging/media/imx/imx-media-vdic.c b/drivers/staging/media/imx/imx-media-vdic.c
index 09da4103a8dbe..86f2b30cb06cb 100644
--- a/drivers/staging/media/imx/imx-media-vdic.c
+++ b/drivers/staging/media/imx/imx-media-vdic.c
@@ -180,60 +180,6 @@ static int vdic_get_ipu_resources(struct vdic_priv *priv)
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)
--
2.45.2