Re: [RESEND PATCH v6 00/14] drm/trace: Mirror DRM debug logs to tracefs

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On 2021-07-21 10:55, Sean Paul wrote:
From: Sean Paul <seanpaul@xxxxxxxxxxxx>

Hi all,
I just had the pleasure of rebasing this set on our CrOS downstream
kernel and wanted to resend it for consideration once again. There
hasn't been any resistence to the set AFAIK, just perhaps not enough
motivation for anyone to hit the go bit. There was some interest from
the msm folks about a month ago, and it has been an invaluable tool
on CrOS for the past ~year. Hopefully someone can dig into this and
provide some feedback so we can move this forward.

Thanks!

Sean

Totally agree, This tool has been valuable for us in debugging many issues.
FWIW, I will go through the core bits and msm pieces to give my RB.


Changes since last v6:
-Rebased on drm-tip

Original v6 of the set available here:
https://patchwork.freedesktop.org/series/78133/
https://lore.kernel.org/dri-devel/20200818210510.49730-1-sean@xxxxxxxxxx/

Sean Paul (14):
  drm/mipi_dbi: Convert pr_debug calls to DRM_DEBUG_DRIVER
  drm/sil164: Convert dev_printk to drm_dev_dbg
  drm/i915/utils: Replace dev_printk with drm helpers
  drm/msm/dpu: Replace definitions for dpu debug macros
  drm/print: rename drm_debug* to be more syslog-centric
  drm/amd: Gate i2c transaction logs on drm_debug_syslog
  drm/etnaviv: Change buffer dump checks to target syslog
  drm/nouveau: Change debug checks to specifically target syslog
  drm/i915: Change infoframe debug checks to specify syslog
  drm/print: Add drm_debug_category_printer
  drm/mst: Convert debug printers to debug category printers
  drm/i915: Use debug category printer for welcome message
  drm/atomic: Use debug category printer for atomic state printer
  drm/print: Add tracefs support to the drm logging helpers

 Documentation/gpu/drm-uapi.rst               |   6 +
 drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c   |   4 +-
 drivers/gpu/drm/drm_atomic_uapi.c            |   2 +-
 drivers/gpu/drm/drm_dp_mst_topology.c        |   9 +-
 drivers/gpu/drm/drm_drv.c                    |   3 +
 drivers/gpu/drm/drm_mipi_dbi.c               |   8 +-
 drivers/gpu/drm/drm_print.c                  | 242 ++++++++++++++++---
 drivers/gpu/drm/etnaviv/etnaviv_buffer.c     |   8 +-
 drivers/gpu/drm/i2c/sil164_drv.c             |  12 +-
 drivers/gpu/drm/i915/display/intel_display.c |   4 +-
 drivers/gpu/drm/i915/i915_drv.c              |   3 +-
 drivers/gpu/drm/i915/i915_utils.c            |   5 +-
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h      |  20 +-
 drivers/gpu/drm/nouveau/nouveau_drv.h        |   4 +-
 include/drm/drm_print.h                      |  96 +++++++-
 15 files changed, 331 insertions(+), 95 deletions(-)



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