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Linux infrastructure fixes. Kernels v4.16+ #5751

Merged
merged 8 commits into from
Feb 3, 2020
Merged

Linux infrastructure fixes. Kernels v4.16+ #5751

merged 8 commits into from
Feb 3, 2020

Commits on Jan 30, 2020

  1. Fix UVC and metadata node matching in v4l using non-lexicographic sor… 

    …t. Applicable for kernels 4.16+

Enforce Video/Metadata sync by using two-stage blocking calls. This replaces I/O multiplexing to ensure the pairing of video and meta nodes payloads
    @ev-mp
    ev-mp committed Jan 30, 2020
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Commits on Feb 2, 2020

  1. Update kernel patches for Ubuntu LTS branches 5.0 and 5.3

    @ev-mp
    ev-mp committed Feb 2, 2020
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  2. Reenable unattended patch by overriding patch --merge inconsistency… 

    … with try/apply.

Mentioned in IntelRealSense#5710
    @ev-mp
    ev-mp committed Feb 2, 2020
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  3. Use unified patches for all kernel 5 branches

    @ev-mp
    ev-mp committed Feb 2, 2020
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  4. Adjust metadata validation heuristics in SKU-neutral manner to allow … 

    …for SR300 and L500 md payloads
    @ev-mp
    ev-mp committed Feb 2, 2020
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  5. Verification for Metadata/Video extaction with kernel 5.3 

    Verify that metadata extraction is performed when invalid video buffer is encountered to ensure Video/Metadata node sync
Check  Metadata/Video nodes buffers synchronization by comparing the kernel sequence buffers
Label the v4l backend debug messages separately for fast on/off toggling
    @ev-mp
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  6. Fix hardware fps calculation when the frame number being reset intern… 

    …ally by the FW, such as in SCP Overflow case
    @ev-mp
    ev-mp committed Feb 2, 2020
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  7. Remove and adjust v4l debug messages

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    ev-mp committed Feb 2, 2020
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