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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Jernej Skrabec <jernej.skrabec@gmail.com>,
        Hans Verkuil <hverkuil-cisco@xs4all.nl>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.18 0464/1095] media: cedrus: h265: Fix flag name
Date:   Mon, 15 Aug 2022 19:57:43 +0200
Message-Id: <20220815180448.790853756@linuxfoundation.org>
In-Reply-To: <20220815180429.240518113@linuxfoundation.org>
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From: Jernej Skrabec <jernej.skrabec@gmail.com>

[ Upstream commit 104a70e1d0bcef28db13c4192b8729086089651c ]

Bit 21 in register 0x24 (slice header info 1) actually represents
negated version of low delay flag. This can be seen in vendor Cedar
library source code. While this flag is not part of the standard, it can
be found in reference HEVC implementation.

Fix macro name and change it to flag.

Fixes: 86caab29da78 ("media: cedrus: Add HEVC/H.265 decoding support")
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/staging/media/sunxi/cedrus/cedrus_h265.c | 4 +++-
 drivers/staging/media/sunxi/cedrus/cedrus_regs.h | 3 +--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
index 44f385be9f6c..2febdf7a97fe 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
@@ -559,7 +559,6 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx,
 
 	reg = VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_TC_OFFSET_DIV2(slice_params->slice_tc_offset_div2) |
 	      VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_BETA_OFFSET_DIV2(slice_params->slice_beta_offset_div2) |
-	      VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_POC_BIGEST_IN_RPS_ST(decode_params->num_poc_st_curr_after == 0) |
 	      VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_CR_QP_OFFSET(slice_params->slice_cr_qp_offset) |
 	      VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_CB_QP_OFFSET(slice_params->slice_cb_qp_offset) |
 	      VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_QP_DELTA(slice_params->slice_qp_delta);
@@ -572,6 +571,9 @@ static void cedrus_h265_setup(struct cedrus_ctx *ctx,
 				V4L2_HEVC_SLICE_PARAMS_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED,
 				slice_params->flags);
 
+	if (decode_params->num_poc_st_curr_after == 0)
+		reg |= VE_DEC_H265_DEC_SLICE_HDR_INFO1_FLAG_SLICE_NOT_LOW_DELAY;
+
 	cedrus_write(dev, VE_DEC_H265_DEC_SLICE_HDR_INFO1, reg);
 
 	chroma_log2_weight_denom = pred_weight_table->luma_log2_weight_denom +
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_regs.h b/drivers/staging/media/sunxi/cedrus/cedrus_regs.h
index bdb062ad8682..d81f7513ade0 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_regs.h
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_regs.h
@@ -377,13 +377,12 @@
 
 #define VE_DEC_H265_DEC_SLICE_HDR_INFO1_FLAG_SLICE_DEBLOCKING_FILTER_DISABLED BIT(23)
 #define VE_DEC_H265_DEC_SLICE_HDR_INFO1_FLAG_SLICE_LOOP_FILTER_ACROSS_SLICES_ENABLED BIT(22)
+#define VE_DEC_H265_DEC_SLICE_HDR_INFO1_FLAG_SLICE_NOT_LOW_DELAY BIT(21)
 
 #define VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_TC_OFFSET_DIV2(v) \
 	SHIFT_AND_MASK_BITS(v, 31, 28)
 #define VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_BETA_OFFSET_DIV2(v) \
 	SHIFT_AND_MASK_BITS(v, 27, 24)
-#define VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_POC_BIGEST_IN_RPS_ST(v) \
-	((v) ? BIT(21) : 0)
 #define VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_CR_QP_OFFSET(v) \
 	SHIFT_AND_MASK_BITS(v, 20, 16)
 #define VE_DEC_H265_DEC_SLICE_HDR_INFO1_SLICE_CB_QP_OFFSET(v) \
-- 
2.35.1