[PATCH 4/9] media: rkvdec: h264: Fix bit depth wrap in pps packet
Jonas Karlman
jonas at kwiboo.se
Wed Jul 1 17:56:22 EDT 2020
The luma and chroma bit depth fields in the pps packet is 3 bits wide.
8 is wrongly added to the bit depth value written to these 3-bit fields.
Because only the 3 LSB is written the hardware is configured correctly.
Correct this by not adding 8 to the luma and chroma bit depth value.
Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
---
drivers/staging/media/rkvdec/rkvdec-h264.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/media/rkvdec/rkvdec-h264.c b/drivers/staging/media/rkvdec/rkvdec-h264.c
index c9aebeb8f9b3..9c8e49642cd9 100644
--- a/drivers/staging/media/rkvdec/rkvdec-h264.c
+++ b/drivers/staging/media/rkvdec/rkvdec-h264.c
@@ -662,8 +662,8 @@ static void assemble_hw_pps(struct rkvdec_ctx *ctx,
WRITE_PPS(0xff, PROFILE_IDC);
WRITE_PPS(1, CONSTRAINT_SET3_FLAG);
WRITE_PPS(sps->chroma_format_idc, CHROMA_FORMAT_IDC);
- WRITE_PPS(sps->bit_depth_luma_minus8 + 8, BIT_DEPTH_LUMA);
- WRITE_PPS(sps->bit_depth_chroma_minus8 + 8, BIT_DEPTH_CHROMA);
+ WRITE_PPS(sps->bit_depth_luma_minus8, BIT_DEPTH_LUMA);
+ WRITE_PPS(sps->bit_depth_chroma_minus8, BIT_DEPTH_CHROMA);
WRITE_PPS(0, QPPRIME_Y_ZERO_TRANSFORM_BYPASS_FLAG);
WRITE_PPS(sps->log2_max_frame_num_minus4, LOG2_MAX_FRAME_NUM_MINUS4);
WRITE_PPS(sps->max_num_ref_frames, MAX_NUM_REF_FRAMES);
--
2.17.1
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