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| author | Imre Deak <imre.deak@intel.com> | 2026-06-01 12:38:35 +0300 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2026-06-08 19:51:59 +0300 |
| commit | 361fd015ad8e38cd17b6351f84e4f4ec15f0d040 (patch) | |
| tree | 2e0004a8548a3a38a58efd344022cbaeeab57cb5 /Documentation/gpu/intel-display | |
| parent | e065bc63fdc1eab77ab0d3d92db23a03b85e297e (diff) | |
| download | linux-next-361fd015ad8e38cd17b6351f84e4f4ec15f0d040.tar.gz linux-next-361fd015ad8e38cd17b6351f84e4f4ec15f0d040.zip | |
drm/i915/dp_link_training: Document DP link recovery logic
Add kernel-doc documentation describing the Intel DP link training
recovery state machine and the sequence of automatic retraining,
fallback selection, and userspace notification.
v2:
- Rebase on dedicated intel-display documentation change.
- Remove unnecessary indent in section bodies. (Jani)
- Add recovery flowcharts. (Jani)
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20260601093836.3057345-23-imre.deak@intel.com
Diffstat (limited to 'Documentation/gpu/intel-display')
| -rw-r--r-- | Documentation/gpu/intel-display/dp-link-training.rst | 8 | ||||
| -rw-r--r-- | Documentation/gpu/intel-display/index.rst | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/gpu/intel-display/dp-link-training.rst b/Documentation/gpu/intel-display/dp-link-training.rst new file mode 100644 index 000000000000..d0bde965021d --- /dev/null +++ b/Documentation/gpu/intel-display/dp-link-training.rst @@ -0,0 +1,8 @@ +.. SPDX-License-Identifier: MIT +.. Copyright © 2026 Intel Corporation + +DisplayPort Link Training +========================= + +.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp_link_training.c + :doc: DisplayPort link training diff --git a/Documentation/gpu/intel-display/index.rst b/Documentation/gpu/intel-display/index.rst index 01c3d1e576b7..6fa929d82c38 100644 --- a/Documentation/gpu/intel-display/index.rst +++ b/Documentation/gpu/intel-display/index.rst @@ -38,6 +38,7 @@ driver. The display driver isn't an independent driver in that sense. fifo-underrun frontbuffer hotplug + dp-link-training plane psr snps-phy |