[media] coda: disable rotator if not needed

This will still do a 1:1 copy into the internal buffers, but stop
producing visual artifacts in chroma interleaved (NV12) mode.

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>

1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index f01393ccf30c..747b54405bf1 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -1037,6 +1037,7 @@ static int coda_prepare_encode(struct coda_ctx *ctx)
         int force_ipicture;
         int quant_param = 0;
         u32 pic_stream_buffer_addr, pic_stream_buffer_size;
+        u32 rot_mode = 0;
         u32 dst_fourcc;
         u32 reg;
 
@@ -1124,8 +1125,9 @@ static int coda_prepare_encode(struct coda_ctx *ctx)
         }
 
         /* submit */
-        coda_write(dev, CODA_ROT_MIR_ENABLE | ctx->params.rot_mode,
-                   CODA_CMD_ENC_PIC_ROT_MODE);
+        if (ctx->params.rot_mode)
+                rot_mode = CODA_ROT_MIR_ENABLE | ctx->params.rot_mode;
+        coda_write(dev, rot_mode, CODA_CMD_ENC_PIC_ROT_MODE);
         coda_write(dev, quant_param, CODA_CMD_ENC_PIC_QS);