From 213622419415dd32fc68fcfe521390fd40ba37b9 Mon Sep 17 00:00:00 2001 From: Jonas Karlman Date: Tue, 27 Sep 2022 21:08:52 +0800 Subject: [PATCH] media: rkvdec: h264: Fix bit depth wrap in pps packet stable inclusion from stable-v5.10.121 commit 63b7c0899564a8463ea699f8399b108a06140894 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5L6CQ Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=63b7c0899564a8463ea699f8399b108a06140894 -------------------------------- [ Upstream commit a074aa4760d1dad0bd565c0f66e7250f5f219ab0 ] The luma and chroma bit depth fields in the pps packet are 3 bits wide. 8 is wrongly added to the bit depth values written to these 3 bit fields. Because only the 3 LSB are written, the hardware was configured correctly. Correct this by not adding 8 to the luma and chroma bit depth value. Fixes: cd33c830448ba ("media: rkvdec: Add the rkvdec driver") Signed-off-by: Jonas Karlman Signed-off-by: Nicolas Dufresne Reviewed-by: Ezequiel Garcia Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin Signed-off-by: Zheng Zengkai Acked-by: Xie XiuQi --- 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 52ffa31f08ac..7013f7ce3678 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); -- GitLab