[PATCH i-g-t v3 0/5] Refactor DRM Debug Severity Handling for

[Pranay Samala <pranay.samala@intel.com>]

This update refactors the debug mask handling in the test framework for
improved readability and addresses logical inconsistencies. Users can now
pass a bitmask option during execution, enabling dynamic updates to the
debug mask. If no bitmask is provided, the default value is set to 0x4.

Additionally, the exit handler has been modified to restore the original
debug mask after the test completes, ensuring consistency. These changes
enhance the flexibility and robustness of the DRM debug logic, making it
easier to control the debug mask throughout the test.

v2:
- Implementated to allow flexible bitmask usage during execution. (Jani)
- Update the commit message (Jani)
- Using mask to update instead of a single category (Jani)
- To handle nested updates, exit_handler is set before the update
  process (Jani)

v3:
- Refactored for readability and address logical comment.

Cc: Leo Li <sunpeng.li@amd.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Uma Shankar <uma.shankar@intel.com>
Cc: Kunal Joshi <kunal1.joshi@intel.com>
Cc: Karthik B S <karthik.b.s@intel.com>
Cc: Ramanaidu Naladala <ramanaidu.naladala@intel.com>
Cc: Sameer Lattannavar <sameer.lattannavar@intel.com>

Fixes: 56b91193b825 ("lib/igt_sysfs: Implement dynamic adjustment of debug log level")
Fixes: a2ab0ec12ef4 ("tests/kms_atomic_transition: Reducing debug loglevel dynamically")
Fixes: 4baeb7397d71 ("tests/intel/kms_dp_linktrain_fallback: Reduce debug loglevel dynamically")
Fixes: 7a8a3744466f ("tests/kms_cursor_legacy: Reduce debug loglevel dynamically")

Pranay Samala (5):
  lib/igt_sysfs: Usage of Original debug mask to read/reset
  lib/igt_sysfs: Rename debug level APIs/variables to debug mask
  lib/igt_sysfs: Update new debug mask requested by user
  tests/kms: Add parse_bitmask support for user
  lib/igt_sysfs: Move igt_exit_handler into test

 lib/igt_sysfs.c                         | 64 +++++++++++++------------
 lib/igt_sysfs.h                         |  7 +--
 tests/intel/kms_dp_linktrain_fallback.c | 38 +++++++++++----
 tests/kms_atomic_transition.c           | 25 +++++-----
 tests/kms_cursor_legacy.c               | 38 +++++++++++----
 5 files changed, 108 insertions(+), 64 deletions(-)

-- 
2.34.1