diff mbox

[3/3] media: coda: jpeg: explicitly disable thumbnails in SEQ_INIT

Message ID 20180629124648.31739-3-p.zabel@pengutronix.de (mailing list archive)
State New, archived
Headers show

Commit Message

Philipp Zabel June 29, 2018, 12:46 p.m. UTC 
Explicitly clear DEC_SEQ_JPG_THUMB_EN during sequence initialization.
Not clearing the register does not cause problems, since the only other
codec (MPEG-4 decode) that writes to this register happens to always
write 0 as well.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
---
 drivers/media/platform/coda/coda-bit.c  | 2 ++
 drivers/media/platform/coda/coda_regs.h | 1 +
 2 files changed, 3 insertions(+)
diff mbox

Patch

diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index b4ff89200869..5d575da3efad 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -1695,6 +1695,8 @@  static int __coda_start_decoding(struct coda_ctx *ctx)
 			coda_write(dev, 512, CODA_CMD_DEC_SEQ_SPP_CHUNK_SIZE);
 		}
 	}
+	if (src_fourcc == V4L2_PIX_FMT_JPEG)
+		coda_write(dev, 0, CODA_CMD_DEC_SEQ_JPG_THUMB_EN);
 	if (dev->devtype->product != CODA_960)
 		coda_write(dev, 0, CODA_CMD_DEC_SEQ_SRC_SIZE);
 
diff --git a/drivers/media/platform/coda/coda_regs.h b/drivers/media/platform/coda/coda_regs.h
index 3b650b8aabe9..5e7b00a97671 100644
--- a/drivers/media/platform/coda/coda_regs.h
+++ b/drivers/media/platform/coda/coda_regs.h
@@ -157,6 +157,7 @@ 
 #define CODA_CMD_DEC_SEQ_START_BYTE		0x190
 #define CODA_CMD_DEC_SEQ_PS_BB_START		0x194
 #define CODA_CMD_DEC_SEQ_PS_BB_SIZE		0x198
+#define CODA_CMD_DEC_SEQ_JPG_THUMB_EN		0x19c
 #define CODA_CMD_DEC_SEQ_MP4_ASP_CLASS		0x19c
 #define		CODA_MP4_CLASS_MPEG4			0
 #define CODA_CMD_DEC_SEQ_X264_MV_EN		0x19c