[media] coda: simplify frame memory control register handling
Since the firmware newer writes to FRAME_MEM_CTRL, we can initialize it once
per context (incidentally, we already do write it in coda_hw_init) and never
have to read it back.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index 747b544..3839e35 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -729,10 +729,7 @@
break;
}
- value = coda_read(dev, CODA_REG_BIT_FRAME_MEM_CTRL);
- value &= ~(1 << 2 | 0x7 << 9);
- ctx->frame_mem_ctrl = value;
- coda_write(dev, value, CODA_REG_BIT_FRAME_MEM_CTRL);
+ coda_write(dev, ctx->frame_mem_ctrl, CODA_REG_BIT_FRAME_MEM_CTRL);
if (dev->devtype->product == CODA_DX6) {
/* Configure the coda */
@@ -741,6 +738,7 @@
}
/* Could set rotation here if needed */
+ value = 0;
switch (dev->devtype->product) {
case CODA_DX6:
value = (q_data_src->width & CODADX6_PICWIDTH_MASK)
@@ -1296,6 +1294,8 @@
/* Update coda bitstream read and write pointers from kfifo */
coda_kfifo_sync_to_device_full(ctx);
+ coda_write(dev, ctx->frame_mem_ctrl, CODA_REG_BIT_FRAME_MEM_CTRL);
+
ctx->display_idx = -1;
ctx->frm_dis_flg = 0;
coda_write(dev, 0, CODA_REG_BIT_FRM_DIS_FLG(ctx->reg_idx));