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<b>Patch Details</b>
<table>
<tr><td><b>Series:</b></td><td>drm/i915: Improve BW management on MST links (rev5)</td></tr>
<tr><td><b>URL:</b></td><td><a href="https://patchwork.freedesktop.org/series/125490/">https://patchwork.freedesktop.org/series/125490/</a></td></tr>
<tr><td><b>State:</b></td><td>failure</td></tr>
<tr><td><b>Details:</b></td><td><a href="https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_125490v5/index.html">https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_125490v5/index.html</a></td></tr>
</table>
<h1>CI Bug Log - changes from CI_DRM_13782 -> Patchwork_125490v5</h1>
<h2>Summary</h2>
<p><strong>FAILURE</strong></p>
<p>Serious unknown changes coming with Patchwork_125490v5 absolutely need to be<br />
verified manually.</p>
<p>If you think the reported changes have nothing to do with the changes<br />
introduced in Patchwork_125490v5, please notify your bug team (lgci.bug.filing@intel.com) to allow them<br />
to document this new failure mode, which will reduce false positives in CI.</p>
<p>External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_125490v5/index.html</p>
<h2>Participating hosts (38 -> 35)</h2>
<p>Missing (3): bat-mtlp-8 fi-snb-2520m fi-bsw-n3050 </p>
<h2>Possible new issues</h2>
<p>Here are the unknown changes that may have been introduced in Patchwork_125490v5:</p>
<h3>CI changes</h3>
<h4>Possible regressions</h4>
<ul>
<li>boot:<ul>
<li>bat-adlp-11: <a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13782/bat-adlp-11/boot.html">PASS</a> -> <a href="https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_125490v5/bat-adlp-11/boot.html">FAIL</a></li>
</ul>
</li>
</ul>
<h3>IGT changes</h3>
<h4>Suppressed</h4>
<p>The following results come from untrusted machines, tests, or statuses.<br />
They do not affect the overall result.</p>
<ul>
<li>{igt@kms_dsc@dsc-basic@pipe-d-dp-1}:<ul>
<li>bat-dg2-9: <a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13782/bat-dg2-9/igt@kms_dsc@dsc-basic@pipe-d-dp-1.html">PASS</a> -> <a href="https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_125490v5/bat-dg2-9/igt@kms_dsc@dsc-basic@pipe-d-dp-1.html">DMESG-WARN</a> +2 other tests dmesg-warn</li>
</ul>
</li>
</ul>
<h2>Known issues</h2>
<p>Here are the changes found in Patchwork_125490v5 that come from known issues:</p>
<h3>CI changes</h3>
<h4>Issues hit</h4>
<ul>
<li>boot:<ul>
<li>bat-jsl-1: <a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13782/bat-jsl-1/boot.html">PASS</a> -> <a href="https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_125490v5/bat-jsl-1/boot.html">FAIL</a> (<a href="https://gitlab.freedesktop.org/drm/intel/issues/8293">i915#8293</a>)</li>
</ul>
</li>
</ul>
<h3>IGT changes</h3>
<h4>Issues hit</h4>
<ul>
<li>
<p>igt@gem_exec_suspend@basic-s0@smem:</p>
<ul>
<li>bat-dg2-9: <a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13782/bat-dg2-9/igt@gem_exec_suspend@basic-s0@smem.html">PASS</a> -> <a href="https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_125490v5/bat-dg2-9/igt@gem_exec_suspend@basic-s0@smem.html">INCOMPLETE</a> (<a href="https://gitlab.freedesktop.org/drm/intel/issues/9275">i915#9275</a>)</li>
</ul>
</li>
<li>
<p>igt@kms_pipe_crc_basic@read-crc-frame-sequence:</p>
<ul>
<li>bat-dg2-11: NOTRUN -> <a href="https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_125490v5/bat-dg2-11/igt@kms_pipe_crc_basic@read-crc-frame-sequence.html">SKIP</a> (<a href="https://gitlab.freedesktop.org/drm/intel/issues/1845">i915#1845</a> / <a href="https://gitlab.freedesktop.org/drm/intel/issues/9197">i915#9197</a>)</li>
</ul>
</li>
</ul>
<h4>Possible fixes</h4>
<ul>
<li>igt@kms_pipe_crc_basic@suspend-read-crc@pipe-b-hdmi-a-3:<ul>
<li>bat-dg2-11: <a href="https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_13782/bat-dg2-11/igt@kms_pipe_crc_basic@suspend-read-crc@pipe-b-hdmi-a-3.html">INCOMPLETE</a> -> <a href="https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_125490v5/bat-dg2-11/igt@kms_pipe_crc_basic@suspend-read-crc@pipe-b-hdmi-a-3.html">PASS</a></li>
</ul>
</li>
</ul>
<p>{name}: This element is suppressed. This means it is ignored when computing<br />
the status of the difference (SUCCESS, WARNING, or FAILURE).</p>
<h2>Build changes</h2>
<ul>
<li>Linux: CI_DRM_13782 -> Patchwork_125490v5</li>
</ul>
<p>CI-20190529: 20190529<br />
CI_DRM_13782: 16c18fef1215015ab3d1a0dd3b06cf6131fe23bd @ git://anongit.freedesktop.org/gfx-ci/linux<br />
IGT_7552: 557856802dfee103802f1157f97c65bb476d5468 @ https://gitlab.freedesktop.org/drm/igt-gpu-tools.git<br />
Patchwork_125490v5: 16c18fef1215015ab3d1a0dd3b06cf6131fe23bd @ git://anongit.freedesktop.org/gfx-ci/linux</p>
<h3>Linux commits</h3>
<p>1cec8cdf8a9a drm/i915: Query compressed bpp properly using correct DPCD and DP Spec info<br />
79506a9ccdb1 drm/i915/dp_mst: Check BW limitations only after all streams are computed<br />
768512cdf4be drm/i915/dp_mst: Improve BW sharing between MST streams<br />
d79d377ed18a drm/i915/dp_mst: Force modeset CRTC if DSC toggling requires it<br />
ca330227bc09 drm/i915: Factor out function to clear pipe update flags<br />
bc4561e52421 drm/i915/dp_mst: Enable MST DSC decompression for all streams<br />
2d7919b3deed drm/i915/dp_mst: Enable DSC passthrough<br />
78e04aae0f32 drm/i915/dp: Enable DSC via the connector decompression AUX<br />
0da10371b072 drm/i915/dp_mst: Enable decompression in the sink from the MST encoder hooks<br />
298ff51574a7 drm/i915/dp_mst: Handle the Synaptics HBlank expansion quirk<br />
8bc0647c9eb4 drm/i915/dp: Disable FEC ready flag in the sink<br />
e780652897cc drm/i915/dp: Wait for FEC detected status in the sink<br />
9f6b7194895c drm/i915/dp: Rename intel_ddi_disable_fec_state() to intel_ddi_disable_fec()<br />
c364b8ac9fe8 drm/i915/dp_mst: Add missing DSC compression disabling<br />
7e858a1432a6 drm/i915/dp: Make sure the DSC PPS SDP is disabled whenever DSC is disabled<br />
fb1d44ec8c1e drm/i915/dp_mst: Program the DSC PPS SDP for each stream<br />
b126b4308b28 drm/i915/dp_mst: Add atomic state for all streams on pre-tgl platforms<br />
683d6dfdb5c8 drm/i915/dp_mst: Account for FEC and DSC overhead during BW allocation<br />
8060f3042b90 drm/i915/dp: Pass actual BW overhead to m_n calculation<br />
8e6f697c142c drm/i915/dp: Specify the FEC overhead as an increment vs. a remainder<br />
45226ad70c6b drm/i915/dp_mst: Enable FEC early once it's known DSC is needed<br />
15657ea1c42b drm/dp: Add helpers to calculate the link BW overhead<br />
5c1eac4251d4 drm/dp_mst: Add HBLANK expansion quirk for Synaptics MST hubs<br />
913f68ef0079 drm/dp: Add DP_HBLANK_EXPANSION_CAPABLE and DSC_PASSTHROUGH_EN DPCD flags<br />
ca9924187c92 drm/dp_mst: Allow DSC in any Synaptics last branch device<br />
227239cf9e88 drm/dp_mst: Swap the order of checking root vs. non-root port BW limitations<br />
b30665a743ef drm/dp_mst: Factor out a helper to check the atomic state of a topology manager<br />
582b6d7fec4e drm/dp_mst: Add helper to determine if an MST port is downstream of another port<br />
8cf4050f0727 drm/dp_mst: Fix fractional DSC bpp handling</p>
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