[Intel-gfx] [PATCH v14 0/4] New debugfs API for capturing CRC of frames

Tomeu Vizoso tomeu.vizoso at collabora.com
Mon Jan 2 12:59:08 UTC 2017


here are the patches that remain to be merged in this series.

Since v13, I have added a patch that makes open() block until the first
CRC comes. This is because otherwise, userspace would need to guess how
much time this particular HW takes to become ready to generate frame
CRCs. This patch could be dropped if it's preferred that userspace waits
for the first frame CRC to come before assuming that the HW is ready.

The other patches are unchanged.



Tomeu Vizoso (4):
  drm: Move locking into drm_debugfs_crtc_crc_add
  drm: crc: Wait for a frame before returning from open()
  drm/i915: Use new CRC debugfs API
  drm/i915: Put "cooked" vlank counters in frame CRC lines

 drivers/gpu/drm/drm_debugfs_crc.c     | 32 +++++++++---
 drivers/gpu/drm/i915/i915_drv.h       |  1 +
 drivers/gpu/drm/i915/i915_irq.c       | 81 ++++++++++++++++++++----------
 drivers/gpu/drm/i915/intel_display.c  |  1 +
 drivers/gpu/drm/i915/intel_drv.h      |  6 +++
 drivers/gpu/drm/i915/intel_pipe_crc.c | 94 ++++++++++++++++++++++++++++++-----
 6 files changed, 169 insertions(+), 46 deletions(-)


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