linux-kernel - [PATCH] media: hevc: Fix dependent slice segment flags

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Message-Id: <20210427071554.2222625-1-jernej.skrabec@siol.net>
Date:   Tue, 27 Apr 2021 09:15:54 +0200
From:   Jernej Skrabec <jernej.skrabec@...l.net>
To:     mchehab@...nel.org, hverkuil-cisco@...all.nl
Cc:     mripard@...nel.org, paul.kocialkowski@...tlin.com, wens@...e.org,
        ezequiel@...labora.com, benjamin.gaignard@...labora.com,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-staging@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev
Subject: [PATCH] media: hevc: Fix dependent slice segment flags

Dependent slice segment flag for PPS control is misnamed. It should have
"enabled" at the end. It only tells if this flag is present in slice
header or not and not the actual value.

Fix this by renaming the PPS flag and introduce another flag for slice
control which tells actual value.

Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
---
 Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst | 5 ++++-
 drivers/staging/media/sunxi/cedrus/cedrus_h265.c          | 4 ++--
 include/media/hevc-ctrls.h                                | 3 ++-
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
index 7b90cb939e9d..5ed343ddd1ea 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
@@ -3059,7 +3059,7 @@ enum v4l2_mpeg_video_hevc_size_of_length_field -
     :stub-columns: 0
     :widths:       1 1 2
 
-    * - ``V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT``
+    * - ``V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT_ENABLED``
       - 0x00000001
       -
     * - ``V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT``
@@ -3274,6 +3274,9 @@ enum v4l2_mpeg_video_hevc_size_of_length_field -
     * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED``
       - 0x00000100
       -
+    * - ``V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT``
+      - 0x00000200
+      -
 
 .. raw:: latex
 
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
index 397a4ba5df4c..6821e3d05d34 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
@@ -479,8 +479,8 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx,
 				slice_params->flags);
 
 	reg |= VE_DEC_H265_FLAG(VE_DEC_H265_DEC_SLICE_HDR_INFO0_FLAG_DEPENDENT_SLICE_SEGMENT,
-				V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT,
-				pps->flags);
+				V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT,
+				slice_params->flags);
 
 	/* FIXME: For multi-slice support. */
 	reg |= VE_DEC_H265_DEC_SLICE_HDR_INFO0_FLAG_FIRST_SLICE_SEGMENT_IN_PIC;
diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h
index b713eeed1915..dc964ff7cd29 100644
--- a/include/media/hevc-ctrls.h
+++ b/include/media/hevc-ctrls.h
@@ -83,7 +83,7 @@ struct v4l2_ctrl_hevc_sps {
 	__u64	flags;
 };
 
-#define V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT		(1ULL << 0)
+#define V4L2_HEVC_PPS_FLAG_DEPENDENT_SLICE_SEGMENT_ENABLED	(1ULL << 0)
 #define V4L2_HEVC_PPS_FLAG_OUTPUT_FLAG_PRESENT			(1ULL << 1)
 #define V4L2_HEVC_PPS_FLAG_SIGN_DATA_HIDING_ENABLED		(1ULL << 2)
 #define V4L2_HEVC_PPS_FLAG_CABAC_INIT_PRESENT			(1ULL << 3)
@@ -166,6 +166,7 @@ struct v4l2_hevc_pred_weight_table {
 #define V4L2_HEVC_SLICE_PARAMS_FLAG_USE_INTEGER_MV		(1ULL << 6)
 #define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED (1ULL << 7)
 #define V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED (1ULL << 8)
+#define V4L2_HEVC_SLICE_PARAMS_FLAG_DEPENDENT_SLICE_SEGMENT	(1ULL << 9)
 
 struct v4l2_ctrl_hevc_slice_params {
 	__u32	bit_size;
-- 
2.31.1