Cache flags, timestamps and timecode structure of OUTPUT buffers
in per-instance structure array and fill correctly the same when
the CAPTURE buffers are done.

This will make v4l2-compliance decoder streaming test happy.

Signed-off-by: Stanimir Varbanov <[email protected]>
---
 drivers/media/platform/qcom/venus/core.h    |  8 +++
 drivers/media/platform/qcom/venus/helpers.c | 54 +++++++++++++++++++++
 drivers/media/platform/qcom/venus/helpers.h |  2 +
 drivers/media/platform/qcom/venus/vdec.c    |  2 +
 4 files changed, 66 insertions(+)

diff --git a/drivers/media/platform/qcom/venus/core.h 
b/drivers/media/platform/qcom/venus/core.h
index 139b5d786375..5c6d4145138d 100644
--- a/drivers/media/platform/qcom/venus/core.h
+++ b/drivers/media/platform/qcom/venus/core.h
@@ -220,6 +220,13 @@ enum venus_dec_state {
        VENUS_DEC_STATE_DRC             = 7
 };
 
+struct venus_ts_metadata {
+       bool used;
+       u64 ts_ns;
+       u64 ts_us;
+       u32 flags;
+       struct v4l2_timecode tc;
+};
 
 /**
  * struct venus_inst - holds per instance parameters
@@ -305,6 +312,7 @@ struct venus_inst {
        wait_queue_head_t reconf_wait;
        unsigned int subscriptions;
        int buf_count;
+       struct venus_ts_metadata tss[VIDEO_MAX_FRAME];
        u64 fps;
        struct v4l2_fract timeperframe;
        const struct venus_format *fmt_out;
diff --git a/drivers/media/platform/qcom/venus/helpers.c 
b/drivers/media/platform/qcom/venus/helpers.c
index c948c4e809b5..b42a1fce273a 100644
--- a/drivers/media/platform/qcom/venus/helpers.c
+++ b/drivers/media/platform/qcom/venus/helpers.c
@@ -463,6 +463,57 @@ static void return_buf_error(struct venus_inst *inst,
        v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
 }
 
+static void
+put_ts_metadata(struct venus_inst *inst, struct vb2_v4l2_buffer *vbuf)
+{
+       struct vb2_buffer *vb = &vbuf->vb2_buf;
+       unsigned int i;
+       int slot = -1;
+       u64 ts_us = vb->timestamp;
+
+       for (i = 0; i < ARRAY_SIZE(inst->tss); i++) {
+               if (!inst->tss[i].used) {
+                       slot = i;
+                       break;
+               }
+       }
+
+       if (slot == -1) {
+               dev_dbg(inst->core->dev, "%s: no free slot\n", __func__);
+               return;
+       }
+
+       do_div(ts_us, NSEC_PER_USEC);
+
+       inst->tss[slot].used = true;
+       inst->tss[slot].flags = vbuf->flags;
+       inst->tss[slot].tc = vbuf->timecode;
+       inst->tss[slot].ts_us = ts_us;
+       inst->tss[slot].ts_ns = vb->timestamp;
+}
+
+void venus_helper_get_ts_metadata(struct venus_inst *inst, u64 timestamp_us,
+                                 struct vb2_v4l2_buffer *vbuf)
+{
+       struct vb2_buffer *vb = &vbuf->vb2_buf;
+       unsigned int i;
+
+       for (i = 0; i < ARRAY_SIZE(inst->tss); ++i) {
+               if (!inst->tss[i].used)
+                       continue;
+
+               if (inst->tss[i].ts_us != timestamp_us)
+                       continue;
+
+               inst->tss[i].used = false;
+               vbuf->flags |= inst->tss[i].flags;
+               vbuf->timecode = inst->tss[i].tc;
+               vb->timestamp = inst->tss[i].ts_ns;
+               break;
+       }
+}
+EXPORT_SYMBOL(venus_helper_get_ts_metadata);
+
 static int
 session_process_buf(struct venus_inst *inst, struct vb2_v4l2_buffer *vbuf)
 {
@@ -487,6 +538,9 @@ session_process_buf(struct venus_inst *inst, struct 
vb2_v4l2_buffer *vbuf)
 
                if (vbuf->flags & V4L2_BUF_FLAG_LAST || !fdata.filled_len)
                        fdata.flags |= HFI_BUFFERFLAG_EOS;
+
+               if (inst->session_type == VIDC_SESSION_TYPE_DEC)
+                       put_ts_metadata(inst, vbuf);
        } else if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) {
                if (inst->session_type == VIDC_SESSION_TYPE_ENC)
                        fdata.buffer_type = HFI_BUFFER_OUTPUT;
diff --git a/drivers/media/platform/qcom/venus/helpers.h 
b/drivers/media/platform/qcom/venus/helpers.h
index f2e111555bd9..791c35c64ca3 100644
--- a/drivers/media/platform/qcom/venus/helpers.h
+++ b/drivers/media/platform/qcom/venus/helpers.h
@@ -63,4 +63,6 @@ int venus_helper_unregister_bufs(struct venus_inst *inst);
 int venus_helper_load_scale_clocks(struct venus_core *core);
 int venus_helper_process_initial_cap_bufs(struct venus_inst *inst);
 int venus_helper_process_initial_out_bufs(struct venus_inst *inst);
+void venus_helper_get_ts_metadata(struct venus_inst *inst, u64 timestamp_us,
+                                 struct vb2_v4l2_buffer *vbuf);
 #endif
diff --git a/drivers/media/platform/qcom/venus/vdec.c 
b/drivers/media/platform/qcom/venus/vdec.c
index 336d49132d19..0b7d65db5cdc 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -1135,6 +1135,8 @@ static void vdec_buf_done(struct venus_inst *inst, 
unsigned int buf_type,
                vbuf->sequence = inst->sequence_out++;
        }
 
+       venus_helper_get_ts_metadata(inst, timestamp_us, vbuf);
+
        if (hfi_flags & HFI_BUFFERFLAG_READONLY)
                venus_helper_acquire_buf_ref(vbuf);
 
-- 
2.17.1

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