samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

msm: camera: isp: Extend SOF timestamp recovery to first frame

Browse Source 
Tweak SOF timestamp recovery logic to handle sending timestamp for
first frame. This is needed when due priority inversion, ISP context
notifies timestamp before SOF.

CRs-Fixed: 3085335
Change-Id: I9baea8d906bb8f820c7aeb2d7d4ae1c1c6f348b2
Signed-off-by: Anand Ravi <quic_ananravi@quicinc.com>
This commit is contained in:
Anand Ravi
2021-12-14 09:59:26 -08:00
committed by Camera Software Integration
parent 74801b50a3
commit 6f216cdb87
1 changed files with 1 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/cam_isp/cam_isp_context.c
View File

@@ -1176,12 +1176,6 @@ static int __cam_isp_ctx_recover_sof_timestamp(struct cam_context *ctx)
uint64_t a, b, c;
int rc;
if (ctx_isp->frame_id < 1) {
CAM_ERR(CAM_ISP, "ctx:%u Timestamp recovery is not possible for the first frame",
ctx->ctx_id);
return -EPERM;
}
rc = __cam_isp_ctx_get_hw_timestamp(ctx, &prev_ts, &curr_ts, &boot_ts);
if (rc) {
CAM_ERR(CAM_ISP, "ctx:%u Failed to get timestamp from HW", ctx->ctx_id);
@@ -1217,7 +1211,7 @@ static int __cam_isp_ctx_recover_sof_timestamp(struct cam_context *ctx)
return 0;
}
ctx_isp->boot_timestamp += (b - a);
ctx_isp->boot_timestamp = boot_ts + (b - curr_ts);
ctx_isp->sof_timestamp_val = b;
ctx_isp->frame_id++;
return 0;