| 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
| ||
|
Message-Id: <20220718220211.97995-1-ezequiel@vanguardiasur.com.ar>
Date: Mon, 18 Jul 2022 19:02:10 -0300
From: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
To: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Hans Verkuil <hverkuil-cisco@...all.nl>,
Tomasz Figa <tfiga@...omium.org>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
Maxime Ripard <mripard@...nel.org>,
Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Subject: [PATCH v3 1/2] cedrus: Use vb2_find_buffer
Use the newly introduced vb2_find_buffer API to get a vb2_buffer
given a buffer timestamp.
Cc: Maxime Ripard <mripard@...nel.org>
Cc: Paul Kocialkowski <paul.kocialkowski@...tlin.com>
Cc: Jernej Skrabec <jernej.skrabec@...il.com>
Signed-off-by: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
Acked-by: Tomasz Figa <tfiga@...omium.org>
---
v3: Rebased on top of https://patchwork.linuxtv.org/project/linux-media/patch/20220718165649.16407-1-jernej.skrabec@gmail.com/
drivers/staging/media/sunxi/cedrus/cedrus.h | 24 ++++++-----
.../staging/media/sunxi/cedrus/cedrus_h264.c | 16 +++----
.../staging/media/sunxi/cedrus/cedrus_h265.c | 18 ++++----
.../staging/media/sunxi/cedrus/cedrus_mpeg2.c | 28 ++++--------
.../staging/media/sunxi/cedrus/cedrus_vp8.c | 43 ++++---------------
5 files changed, 47 insertions(+), 82 deletions(-)
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus.h b/drivers/staging/media/sunxi/cedrus/cedrus.h
index 084193019350..2aa2961dbf64 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus.h
+++ b/drivers/staging/media/sunxi/cedrus/cedrus.h
@@ -237,19 +237,23 @@ static inline dma_addr_t cedrus_buf_addr(struct vb2_buffer *buf,
}
static inline dma_addr_t cedrus_dst_buf_addr(struct cedrus_ctx *ctx,
- int index, unsigned int plane)
+ struct vb2_buffer *buf,
+ unsigned int plane)
{
- struct vb2_buffer *buf = NULL;
- struct vb2_queue *vq;
-
- if (index < 0)
- return 0;
+ return buf ? cedrus_buf_addr(buf, &ctx->dst_fmt, plane) : 0;
+}
- vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
- if (vq)
- buf = vb2_get_buffer(vq, index);
+static inline void cedrus_write_ref_buf_addr(struct cedrus_ctx *ctx,
+ struct vb2_queue *q,
+ u64 timestamp,
+ u32 luma_reg,
+ u32 chroma_reg)
+{
+ struct cedrus_dev *dev = ctx->dev;
+ struct vb2_buffer *buf = vb2_find_buffer(q, timestamp);
- return buf ? cedrus_buf_addr(buf, &ctx->dst_fmt, plane) : 0;
+ cedrus_write(dev, luma_reg, cedrus_dst_buf_addr(ctx, buf, 0));
+ cedrus_write(dev, chroma_reg, cedrus_dst_buf_addr(ctx, buf, 1));
}
static inline struct cedrus_buffer *
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c
index c345e67ba9bc..a8b236cd3800 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_h264.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_h264.c
@@ -111,16 +111,16 @@ static void cedrus_write_frame_list(struct cedrus_ctx *ctx,
for (i = 0; i < ARRAY_SIZE(decode->dpb); i++) {
const struct v4l2_h264_dpb_entry *dpb = &decode->dpb[i];
struct cedrus_buffer *cedrus_buf;
- int buf_idx;
+ struct vb2_buffer *buf;
if (!(dpb->flags & V4L2_H264_DPB_ENTRY_FLAG_VALID))
continue;
- buf_idx = vb2_find_timestamp(cap_q, dpb->reference_ts, 0);
- if (buf_idx < 0)
+ buf = vb2_find_buffer(cap_q, dpb->reference_ts);
+ if (!buf)
continue;
- cedrus_buf = vb2_to_cedrus_buffer(cap_q->bufs[buf_idx]);
+ cedrus_buf = vb2_to_cedrus_buffer(buf);
position = cedrus_buf->codec.h264.position;
used_dpbs |= BIT(position);
@@ -186,7 +186,7 @@ static void _cedrus_write_ref_list(struct cedrus_ctx *ctx,
const struct v4l2_h264_dpb_entry *dpb;
const struct cedrus_buffer *cedrus_buf;
unsigned int position;
- int buf_idx;
+ struct vb2_buffer *buf;
u8 dpb_idx;
dpb_idx = ref_list[i].index;
@@ -195,11 +195,11 @@ static void _cedrus_write_ref_list(struct cedrus_ctx *ctx,
if (!(dpb->flags & V4L2_H264_DPB_ENTRY_FLAG_ACTIVE))
continue;
- buf_idx = vb2_find_timestamp(cap_q, dpb->reference_ts, 0);
- if (buf_idx < 0)
+ buf = vb2_find_buffer(cap_q, dpb->reference_ts);
+ if (!buf)
continue;
- cedrus_buf = vb2_to_cedrus_buffer(cap_q->bufs[buf_idx]);
+ cedrus_buf = vb2_to_cedrus_buffer(buf);
position = cedrus_buf->codec.h264.position;
sram_array[i] |= position << 1;
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
index 687f87598f78..f703c585d91c 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_h265.c
@@ -102,14 +102,14 @@ static void cedrus_h265_frame_info_write_single(struct cedrus_ctx *ctx,
unsigned int index,
bool field_pic,
u32 pic_order_cnt[],
- int buffer_index)
+ struct vb2_buffer *buf)
{
struct cedrus_dev *dev = ctx->dev;
- dma_addr_t dst_luma_addr = cedrus_dst_buf_addr(ctx, buffer_index, 0);
- dma_addr_t dst_chroma_addr = cedrus_dst_buf_addr(ctx, buffer_index, 1);
+ dma_addr_t dst_luma_addr = cedrus_dst_buf_addr(ctx, buf, 0);
+ dma_addr_t dst_chroma_addr = cedrus_dst_buf_addr(ctx, buf, 1);
dma_addr_t mv_col_buf_addr[2] = {
- cedrus_h265_frame_info_mv_col_buf_addr(ctx, buffer_index, 0),
- cedrus_h265_frame_info_mv_col_buf_addr(ctx, buffer_index,
+ cedrus_h265_frame_info_mv_col_buf_addr(ctx, buf->index, 0),
+ cedrus_h265_frame_info_mv_col_buf_addr(ctx, buf->index,
field_pic ? 1 : 0)
};
u32 offset = VE_DEC_H265_SRAM_OFFSET_FRAME_INFO +
@@ -141,18 +141,18 @@ static void cedrus_h265_frame_info_write_dpb(struct cedrus_ctx *ctx,
unsigned int i;
for (i = 0; i < num_active_dpb_entries; i++) {
- int buffer_index = vb2_find_timestamp(vq, dpb[i].timestamp, 0);
+ struct vb2_buffer *buf = vb2_find_buffer(vq, dpb[i].timestamp);
u32 pic_order_cnt[2] = {
dpb[i].pic_order_cnt_val,
dpb[i].pic_order_cnt_val
};
- if (buffer_index < 0)
+ if (!buf)
continue;
cedrus_h265_frame_info_write_single(ctx, i, dpb[i].field_pic,
pic_order_cnt,
- buffer_index);
+ buf);
}
}
@@ -751,7 +751,7 @@ static int cedrus_h265_setup(struct cedrus_ctx *ctx, struct cedrus_run *run)
cedrus_h265_frame_info_write_single(ctx, output_pic_list_index,
slice_params->pic_struct != 0,
pic_order_cnt,
- run->dst->vb2_buf.index);
+ &run->dst->vb2_buf);
cedrus_write(dev, VE_DEC_H265_OUTPUT_FRAME_IDX, output_pic_list_index);
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_mpeg2.c b/drivers/staging/media/sunxi/cedrus/cedrus_mpeg2.c
index 4cfc4a3c8a7f..c1128d2cd555 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_mpeg2.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_mpeg2.c
@@ -54,13 +54,9 @@ static int cedrus_mpeg2_setup(struct cedrus_ctx *ctx, struct cedrus_run *run)
const struct v4l2_ctrl_mpeg2_picture *pic;
const struct v4l2_ctrl_mpeg2_quantisation *quantisation;
dma_addr_t src_buf_addr, dst_luma_addr, dst_chroma_addr;
- dma_addr_t fwd_luma_addr, fwd_chroma_addr;
- dma_addr_t bwd_luma_addr, bwd_chroma_addr;
struct cedrus_dev *dev = ctx->dev;
struct vb2_queue *vq;
const u8 *matrix;
- int forward_idx;
- int backward_idx;
unsigned int i;
u32 reg;
@@ -123,27 +119,19 @@ static int cedrus_mpeg2_setup(struct cedrus_ctx *ctx, struct cedrus_run *run)
cedrus_write(dev, VE_DEC_MPEG_PICBOUNDSIZE, reg);
/* Forward and backward prediction reference buffers. */
-
vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE);
- forward_idx = vb2_find_timestamp(vq, pic->forward_ref_ts, 0);
- fwd_luma_addr = cedrus_dst_buf_addr(ctx, forward_idx, 0);
- fwd_chroma_addr = cedrus_dst_buf_addr(ctx, forward_idx, 1);
-
- cedrus_write(dev, VE_DEC_MPEG_FWD_REF_LUMA_ADDR, fwd_luma_addr);
- cedrus_write(dev, VE_DEC_MPEG_FWD_REF_CHROMA_ADDR, fwd_chroma_addr);
-
- backward_idx = vb2_find_timestamp(vq, pic->backward_ref_ts, 0);
- bwd_luma_addr = cedrus_dst_buf_addr(ctx, backward_idx, 0);
- bwd_chroma_addr = cedrus_dst_buf_addr(ctx, backward_idx, 1);
-
- cedrus_write(dev, VE_DEC_MPEG_BWD_REF_LUMA_ADDR, bwd_luma_addr);
- cedrus_write(dev, VE_DEC_MPEG_BWD_REF_CHROMA_ADDR, bwd_chroma_addr);
+ cedrus_write_ref_buf_addr(ctx, vq, pic->forward_ref_ts,
+ VE_DEC_MPEG_FWD_REF_LUMA_ADDR,
+ VE_DEC_MPEG_FWD_REF_CHROMA_ADDR);
+ cedrus_write_ref_buf_addr(ctx, vq, pic->backward_ref_ts,
+ VE_DEC_MPEG_BWD_REF_LUMA_ADDR,
+ VE_DEC_MPEG_BWD_REF_CHROMA_ADDR);
/* Destination luma and chroma buffers. */
- dst_luma_addr = cedrus_dst_buf_addr(ctx, run->dst->vb2_buf.index, 0);
- dst_chroma_addr = cedrus_dst_buf_addr(ctx, run->dst->vb2_buf.index, 1);
+ dst_luma_addr = cedrus_dst_buf_addr(ctx, &run->dst->vb2_buf, 0);
+ dst_chroma_addr = cedrus_dst_buf_addr(ctx, &run->dst->vb2_buf, 1);
cedrus_write(dev, VE_DEC_MPEG_REC_LUMA, dst_luma_addr);
cedrus_write(dev, VE_DEC_MPEG_REC_CHROMA, dst_chroma_addr);
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_vp8.c b/drivers/staging/media/sunxi/cedrus/cedrus_vp8.c
index 3f750d1795b6..f7714baae37d 100644
--- a/drivers/staging/media/sunxi/cedrus/cedrus_vp8.c
+++ b/drivers/staging/media/sunxi/cedrus/cedrus_vp8.c
@@ -660,7 +660,6 @@ static int cedrus_vp8_setup(struct cedrus_ctx *ctx, struct cedrus_run *run)
dma_addr_t luma_addr, chroma_addr;
dma_addr_t src_buf_addr;
int header_size;
- int qindex;
u32 reg;
cedrus_engine_enable(ctx, CEDRUS_CODEC_VP8);
@@ -804,43 +803,17 @@ static int cedrus_vp8_setup(struct cedrus_ctx *ctx, struct cedrus_run *run)
reg |= VE_VP8_LF_DELTA0(slice->lf.mb_mode_delta[0]);
cedrus_write(dev, VE_VP8_MODE_LF_DELTA, reg);
- luma_addr = cedrus_dst_buf_addr(ctx, run->dst->vb2_buf.index, 0);
- chroma_addr = cedrus_dst_buf_addr(ctx, run->dst->vb2_buf.index, 1);
+ luma_addr = cedrus_dst_buf_addr(ctx, &run->dst->vb2_buf, 0);
+ chroma_addr = cedrus_dst_buf_addr(ctx, &run->dst->vb2_buf, 1);
cedrus_write(dev, VE_VP8_REC_LUMA, luma_addr);
cedrus_write(dev, VE_VP8_REC_CHROMA, chroma_addr);
- qindex = vb2_find_timestamp(cap_q, slice->last_frame_ts, 0);
- if (qindex >= 0) {
- luma_addr = cedrus_dst_buf_addr(ctx, qindex, 0);
- chroma_addr = cedrus_dst_buf_addr(ctx, qindex, 1);
- cedrus_write(dev, VE_VP8_FWD_LUMA, luma_addr);
- cedrus_write(dev, VE_VP8_FWD_CHROMA, chroma_addr);
- } else {
- cedrus_write(dev, VE_VP8_FWD_LUMA, 0);
- cedrus_write(dev, VE_VP8_FWD_CHROMA, 0);
- }
-
- qindex = vb2_find_timestamp(cap_q, slice->golden_frame_ts, 0);
- if (qindex >= 0) {
- luma_addr = cedrus_dst_buf_addr(ctx, qindex, 0);
- chroma_addr = cedrus_dst_buf_addr(ctx, qindex, 1);
- cedrus_write(dev, VE_VP8_BWD_LUMA, luma_addr);
- cedrus_write(dev, VE_VP8_BWD_CHROMA, chroma_addr);
- } else {
- cedrus_write(dev, VE_VP8_BWD_LUMA, 0);
- cedrus_write(dev, VE_VP8_BWD_CHROMA, 0);
- }
-
- qindex = vb2_find_timestamp(cap_q, slice->alt_frame_ts, 0);
- if (qindex >= 0) {
- luma_addr = cedrus_dst_buf_addr(ctx, qindex, 0);
- chroma_addr = cedrus_dst_buf_addr(ctx, qindex, 1);
- cedrus_write(dev, VE_VP8_ALT_LUMA, luma_addr);
- cedrus_write(dev, VE_VP8_ALT_CHROMA, chroma_addr);
- } else {
- cedrus_write(dev, VE_VP8_ALT_LUMA, 0);
- cedrus_write(dev, VE_VP8_ALT_CHROMA, 0);
- }
+ cedrus_write_ref_buf_addr(ctx, cap_q, slice->last_frame_ts,
+ VE_VP8_FWD_LUMA, VE_VP8_FWD_CHROMA);
+ cedrus_write_ref_buf_addr(ctx, cap_q, slice->golden_frame_ts,
+ VE_VP8_BWD_LUMA, VE_VP8_BWD_CHROMA);
+ cedrus_write_ref_buf_addr(ctx, cap_q, slice->alt_frame_ts,
+ VE_VP8_ALT_LUMA, VE_VP8_ALT_CHROMA);
cedrus_write(dev, VE_H264_CTRL, VE_H264_CTRL_VP8 |
VE_H264_CTRL_DECODE_ERR_INT |
--
2.34.3
Powered by blists - more mailing lists