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

Sean Anderson
2024-03-19T23:02:22Z

On 3/19/24 18:51, Sean Anderson wrote:
> 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
>

+CC Dmitry, Tomi, and Anatoliy who I forgot to CC

Let me know if you want to be taken off CC for future revisions

--Sean