[PATCH v5 0/3] Improve crc-core driver interface

[Mahesh Kumar <mahesh1.kumar@intel.com>]

This series improves crc-core <-> driver interface.
This series adds following functionality in the crc-core
 - Now control node will print all the available sources if
   implemented by driver along with current source.
 - Setting of sorce will fail if provided source is not supported
 - cleanup of crtc_crc_open function first allocate memory before
   enabling CRC generation
 - Don't block open() call instead wait in crc read call.

Following IGT will fail due to crc-core <-> driver interface change
igt@kms_pipe_crc_basic@bad-source <now setting bad-source itself will fail>
ig@kms_pipe_crc_basic@nonblocking-crc-pipe-X 
ig@kms_pipe_crc_basic@nonblocking-crc-pipe-X-frame-sequence
In nonblocking crc tests we'll get lesser crc's due to skipping crc

AMD/Rockchip/rcar code path is not validated and may need inputs

Changes:
- Rebase on top of VKMS driver

Cc: dri-devel@lists.freedesktop.org

Mahesh Kumar (3):
  drm/vkms/crc: Implement verify_crc_source callback
  drm/crc: Cleanup crtc_crc_open function
  Revert "drm: crc: Wait for a frame before returning from open()"

 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h  |  3 +-
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c  |  4 +-
 drivers/gpu/drm/drm_debugfs_crc.c                  | 71 ++++++++--------------
 drivers/gpu/drm/i915/intel_drv.h                   |  3 +-
 drivers/gpu/drm/i915/intel_pipe_crc.c              |  4 +-
 drivers/gpu/drm/rcar-du/rcar_du_crtc.c             |  4 +-
 drivers/gpu/drm/rockchip/rockchip_drm_vop.c        |  6 +-
 drivers/gpu/drm/vkms/vkms_crc.c                    | 41 ++++++++++---
 drivers/gpu/drm/vkms/vkms_crtc.c                   |  1 +
 drivers/gpu/drm/vkms/vkms_drv.h                    |  5 +-
 include/drm/drm_crtc.h                             |  3 +-
 11 files changed, 71 insertions(+), 74 deletions(-)

-- 
2.16.2

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