linux-kernel - [PATCH v2 0/8] drm: zynqmp_dp: Misc. patches and debugfs support

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Date: Tue, 19 Mar 2024 18:51:13 -0400
From: Sean Anderson <sean.anderson@...ux.dev>
To: Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	dri-devel@...ts.freedesktop.org
Cc: Michal Simek <michal.simek@....com>,
	David Airlie <airlied@...il.com>,
	linux-kernel@...r.kernel.org,
	Daniel Vetter <daniel@...ll.ch>,
	linux-arm-kernel@...ts.infradead.org,
	Sean Anderson <sean.anderson@...ux.dev>
Subject: [PATCH v2 0/8] drm: zynqmp_dp: Misc. patches and debugfs support

This series adds debugfs support for the zynqmp_dp driver. The intent is
to enable compliance testing or to help debug signal-integrity issues.

The first four patches are general improvements (and could be applied
independently), while the last four add debugfs support.

Changes in v2:
- Fix kerneldoc
- Rearrange zynqmp_dp for better padding
- Document hpd_irq_work
- Split off the HPD IRQ work into another commit
- Expand the commit message
- Document debugfs files
- Add ignore_aux_errors and ignore_hpd debugfs files to replace earlier
  implicit functionality
- Attempt to fix unreproducable, spurious build warning
- Drop "Optionally ignore DPCD errors" in favor of a debugfs file
  directly affecting zynqmp_dp_aux_transfer.

Sean Anderson (8):
  drm: xlnx: Fix kerneldoc
  drm: zynqmp_dp: Downgrade log level for aux retries message
  drm: zynqmp_dp: Adjust training values per-lane
  drm: zynqmp_dp: Rearrange zynqmp_dp for better padding
  drm: zynqmp_dp: Don't retrain the link in our IRQ
  drm: zynqmp_dp: Add locking
  drm: zynqmp_dp: Split off several helper functions
  drm: zynqmp_dp: Add debugfs interface for compliance testing

 Documentation/gpu/drivers.rst       |   1 +
 Documentation/gpu/zynqmp.rst        | 149 +++++
 MAINTAINERS                         |   1 +
 drivers/gpu/drm/xlnx/zynqmp_disp.c  |   6 +-
 drivers/gpu/drm/xlnx/zynqmp_dp.c    | 836 +++++++++++++++++++++++++---
 drivers/gpu/drm/xlnx/zynqmp_dpsub.h |   1 +
 drivers/gpu/drm/xlnx/zynqmp_kms.h   |   4 +-
 7 files changed, 931 insertions(+), 67 deletions(-)
 create mode 100644 Documentation/gpu/zynqmp.rst

-- 
2.35.1.1320.gc452695387.dirty