linux-kernel - [PATCH] media: cedrus: h264: Fix check for presence of scaling matrix

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Wed, 21 Oct 2020 22:33:25 +0200
From:   Jernej Skrabec <jernej.skrabec@...l.net>
To:     mripard@...nel.org, paul.kocialkowski@...tlin.com
Cc:     mchehab@...nel.org, wens@...e.org, ezequiel@...labora.com,
        hverkuil-cisco@...all.nl, linux-media@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] media: cedrus: h264: Fix check for presence of scaling matrix

If scaling matrix control is present, VPU should not use default matrix.
Fix that.

Fixes: b3a23db0e2f8 ("media: cedrus: Use H264_SCALING_MATRIX only when required")
Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
---
 drivers/staging/media/sunxi/cedrus/cedrus_h264.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c
index 28319351e909..781c84a9b1b7 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c
@@ -446,7 +446,7 @@ static void cedrus_set_params(struct cedrus_ctx *ctx,
 	reg |= (pps->second_chroma_qp_index_offset & 0x3f) << 16;
 	reg |= (pps->chroma_qp_index_offset & 0x3f) << 8;
 	reg |= (pps->pic_init_qp_minus26 + 26 + slice->slice_qp_delta) & 0x3f;
-	if (pps->flags & V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT)
+	if (!(pps->flags & V4L2_H264_PPS_FLAG_SCALING_MATRIX_PRESENT))
 		reg |= VE_H264_SHS_QP_SCALING_MATRIX_DEFAULT;
 	cedrus_write(dev, VE_H264_SHS_QP, reg);
 
-- 
2.29.0