[PATCH v8 0/4] New debugfs API for capturing CRC of frames

Tomeu Vizoso
2016-09-09T09:57:11Z

Hi,

this series basically takes the facility for continuously capturing CRCs
of frames from the i915 driver and into the DRM core.

The idea is that test suites such as IGT use this information to check
that frames that are exected to be identical, also have identical CRC
values.

Other drivers for hardware that can provide frame CRCs (including eDP
panels that support self-refresh) can easily implement the new callback
and provide userspace with the CRC values.

Thanks,

Tomeu

Tomeu Vizoso (4):
drm/i915/debugfs: Move out pipe CRC code
drm: Add API for capturing frame CRCs
drm/i915: Use new CRC debugfs API
drm/i915: Put "cooked" vlank counters in frame CRC lines

Documentation/gpu/drm-uapi.rst | 6 +
drivers/gpu/drm/Makefile | 3 +-
drivers/gpu/drm/drm_crtc.c | 29 +-
drivers/gpu/drm/drm_debugfs.c | 34 +-
drivers/gpu/drm/drm_debugfs_crc.c | 351 ++++++++++++
drivers/gpu/drm/drm_drv.c | 19 +
drivers/gpu/drm/drm_internal.h | 16 +
drivers/gpu/drm/i915/Makefile | 2 +-
drivers/gpu/drm/i915/i915_debugfs.c | 886 +---------------------------
drivers/gpu/drm/i915/i915_drv.c | 2 +-
drivers/gpu/drm/i915/i915_drv.h | 3 +-
drivers/gpu/drm/i915/i915_irq.c | 83 ++-
drivers/gpu/drm/i915/intel_display.c | 1 +
drivers/gpu/drm/i915/intel_drv.h | 7 +
drivers/gpu/drm/i915/intel_pipe_crc.c | 1014 +++++++++++++++++++++++++++++++++
include/drm/drm_crtc.h | 41 ++
include/drm/drm_debugfs_crc.h | 73 +++
17 files changed, 1656 insertions(+), 914 deletions(-)
create mode 100644 drivers/gpu/drm/drm_debugfs_crc.c
create mode 100644 drivers/gpu/drm/i915/intel_pipe_crc.c
create mode 100644 include/drm/drm_debugfs_crc.h

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