]> git.baikalelectronics.ru Git - kernel.git/commitdiff
media: rkvdec: h264: Fix bit depth wrap in pps packet
authorJonas Karlman <jonas@kwiboo.se>
Fri, 13 May 2022 20:29:12 +0000 (22:29 +0200)
committerMauro Carvalho Chehab <mchehab@kernel.org>
Tue, 17 May 2022 08:05:41 +0000 (10:05 +0200)
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: 8e6530de4e639 ("media: rkvdec: Add the rkvdec driver")
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
drivers/staging/media/rkvdec/rkvdec-h264.c

index bcde37d72244e19093b535ab43df8a912ad196d6..8d44a884a52e0532d0609909d61ef742eb233089 100644 (file)
@@ -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);