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Subject: media: chips-media: wave5: support decoding HEVC Main10 profile
Author: Ivan Bornyakov <brnkv...@gmail.com>
Date: Mon Apr 15 13:07:19 2024 +0300
Add support for decoding HEVC Main10 profile by scaling the FBC
buffer stride and size by a factor of (bitdepth / 8).
Signed-off-by: Ivan Bornyakov <brnkv...@gmail.com>
Signed-off-by: Sebastian Fricke <sebastian.fri...@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
.../platform/chips-media/wave5/wave5-vpu-dec.c | 30 ++++++++++++----------
.../platform/chips-media/wave5/wave5-vpuapi.h | 1 +
2 files changed, 18 insertions(+), 13 deletions(-)
---
diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c
b/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c
index c8624c681fa6..8e1dab9434ca 100644
--- a/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c
+++ b/drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c
@@ -1055,6 +1055,22 @@ static int wave5_prepare_fb(struct vpu_instance *inst)
int ret, i;
struct v4l2_m2m_buffer *buf, *n;
struct v4l2_m2m_ctx *m2m_ctx = inst->v4l2_fh.m2m_ctx;
+ u32 bitdepth = inst->codec_info->dec_info.initial_info.luma_bitdepth;
+
+ switch (bitdepth) {
+ case 8:
+ break;
+ case 10:
+ if (inst->std == W_HEVC_DEC &&
+ inst->dev->attr.support_hevc10bit_dec)
+ break;
+
+ fallthrough;
+ default:
+ dev_err(inst->dev->dev, "no support for %d bit depth\n",
bitdepth);
+
+ return -EINVAL;
+ }
linear_num = v4l2_m2m_num_dst_bufs_ready(m2m_ctx);
non_linear_num = inst->fbc_buf_count;
@@ -1063,7 +1079,7 @@ static int wave5_prepare_fb(struct vpu_instance *inst)
struct frame_buffer *frame = &inst->frame_buf[i];
struct vpu_buf *vframe = &inst->frame_vbuf[i];
- fb_stride = inst->dst_fmt.width;
+ fb_stride = ALIGN(inst->dst_fmt.width * bitdepth / 8, 32);
fb_height = ALIGN(inst->dst_fmt.height, 32);
luma_size = fb_stride * fb_height;
@@ -1408,22 +1424,10 @@ static int wave5_vpu_dec_start_streaming(struct
vb2_queue *q, unsigned int count
if (ret)
goto free_bitstream_vbuf;
} else if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
- struct dec_initial_info *initial_info =
- &inst->codec_info->dec_info.initial_info;
-
if (inst->state == VPU_INST_STATE_STOP)
ret = switch_state(inst, VPU_INST_STATE_INIT_SEQ);
if (ret)
goto return_buffers;
-
- if (inst->state == VPU_INST_STATE_INIT_SEQ) {
- if (initial_info->luma_bitdepth != 8) {
- dev_info(inst->dev->dev, "%s: no support for %d
bit depth",
- __func__, initial_info->luma_bitdepth);
- ret = -EINVAL;
- goto return_buffers;
- }
- }
}
return ret;
diff --git a/drivers/media/platform/chips-media/wave5/wave5-vpuapi.h
b/drivers/media/platform/chips-media/wave5/wave5-vpuapi.h
index edc50450ddb8..fa4dc53949e6 100644
--- a/drivers/media/platform/chips-media/wave5/wave5-vpuapi.h
+++ b/drivers/media/platform/chips-media/wave5/wave5-vpuapi.h
@@ -327,6 +327,7 @@ struct vpu_attr {
u32 support_backbone: 1;
u32 support_avc10bit_enc: 1;
u32 support_hevc10bit_enc: 1;
+ u32 support_hevc10bit_dec: 1;
u32 support_vcore_backbone: 1;
u32 support_vcpu_backbone: 1;
};
