[PATCH v4 0/3] Add devcoredump support for DPU

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This series adds support to use devcoredump for DPU driver. It introduces
the msm_disp_snapshot module which assists in the capturing of register dumps during
error scenarios. When a display related error happens, the msm_disp_snapshot module
captures all the relevant register dumps along with the snapshot of the drm
atomic state and triggers a devcoredump.

changes in v4:
 - rename dpu_dbg to msm_disp_snapshot and move it to msm/disp
 - start using a list of blocks to store the hardware block information
 - cleanup block allocation and freeing logic to simplify it

Abhinav Kumar (3):
  drm: allow drm_atomic_print_state() to accept any drm_printer
  drm/msm: add support to take dpu snapshot
  drm/msm: add disp snapshot points across dpu driver

 drivers/gpu/drm/drm_atomic.c                       |  28 +++-
 drivers/gpu/drm/drm_atomic_uapi.c                  |   4 +-
 drivers/gpu/drm/drm_crtc_internal.h                |   4 +-
 drivers/gpu/drm/msm/Makefile                       |   2 +
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c        |  18 +-
 .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c   |  14 +-
 .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c   |   8 +-
 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h     |   2 +-
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c            |  61 +++++++
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h            |   5 +
 drivers/gpu/drm/msm/disp/msm_disp_snapshot.c       | 161 ++++++++++++++++++
 drivers/gpu/drm/msm/disp/msm_disp_snapshot.h       | 167 +++++++++++++++++++
 drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c  | 181 +++++++++++++++++++++
 drivers/gpu/drm/msm/dp/dp_catalog.c                |  12 ++
 drivers/gpu/drm/msm/dp/dp_catalog.h                |   4 +
 drivers/gpu/drm/msm/dp/dp_display.c                |  29 ++++
 drivers/gpu/drm/msm/dp/dp_display.h                |   1 +
 drivers/gpu/drm/msm/dsi/dsi.c                      |   5 +
 drivers/gpu/drm/msm/dsi/dsi.h                      |   4 +
 drivers/gpu/drm/msm/dsi/dsi_host.c                 |  19 +++
 drivers/gpu/drm/msm/msm_drv.c                      |  29 +++-
 drivers/gpu/drm/msm/msm_drv.h                      |   2 +
 drivers/gpu/drm/selftests/test-drm_framebuffer.c   |   1 +
 23 files changed, 743 insertions(+), 18 deletions(-)
 create mode 100644 drivers/gpu/drm/msm/disp/msm_disp_snapshot.c
 create mode 100644 drivers/gpu/drm/msm/disp/msm_disp_snapshot.h
 create mode 100644 drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c

-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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