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vi5: continue captures even after corr errors

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even if the channel encounters corr error, continue
captures anticipating that channel might recover in
future.
This also prevents high CPU usage of the dequeue thread
in corr error usecase.

bug 4310063

Change-Id: I49a30f9f5583badf77ecd5c60b94009f786a0b7a
Signed-off-by: Anubhav Rai <arai@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2995411
(cherry picked from commit d8749afd649c213927bb49c1384f063f099dd083)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3007710
Reviewed-by: Ankur Pawar <ankurp@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Anubhav Rai
2023-10-11 15:52:48 +00:00
committed by mobile promotions
parent 0f76fc5e17
commit 5bf029b886
1 changed files with 7 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/media/platform/tegra/camera/vi/vi5_fops.c
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@@ -489,7 +489,8 @@ static void vi5_capture_dequeue(struct tegra_channel *chan,
struct tegra_channel_buffer *buf)
{
int err = 0;
unsigned int vi_port = 0;
bool frame_err = false;
int vi_port = 0;
int gang_prev_frame_id = 0;
unsigned long flags;
struct tegra_mc_vi *vi = chan->vi;
@@ -526,8 +527,7 @@ static void vi5_capture_dequeue(struct tegra_channel *chan,
"err_data %d\n",
descr->status.frame_id, descr->status.flags,
descr->status.err_data);
buf->vb2_state = VB2_BUF_STATE_ERROR;
goto done;
frame_err = true;
}
} else if (!vi_port) {
gang_prev_frame_id = descr->status.frame_id;
@@ -551,12 +551,14 @@ static void vi5_capture_dequeue(struct tegra_channel *chan,
trace_tegra_channel_capture_frame("sof", &ts);
vb->vb2_buf.timestamp = descr->status.sof_timestamp;
buf->vb2_state = VB2_BUF_STATE_DONE;
if (frame_err)
buf->vb2_state = VB2_BUF_STATE_ERROR;
else
buf->vb2_state = VB2_BUF_STATE_DONE;
/* Read EOF from capture descriptor */
ts = ns_to_timespec64((s64)descr->status.eof_timestamp);
trace_tegra_channel_capture_frame("eof", &ts);
done:
goto rel_buf;
uncorr_err: