[Bug 109824] [CI][DRMTIP] igt at debugfs_test@read_all_entries_display_off - dmesg-warn - Unclaimed read from register 0x1e1110

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109824

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #7 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit 0c653722e6e669fae969c178f0d4a55d9c2dc922 (HEAD -> drm-intel-next-queued,
drm-intel/drm-intel-next-queued)
Author: Arkadiusz Hiler <arkadiusz.hiler at intel.com>
Date:   Thu Sep 12 15:54:18 2019 +0300

    drm/i915: Get the correct wakeref for reading HOTPLUG_EN et al.

    Without it we get:
     Unclaimed read from register 0x1e1110
     WARNING: CPU: 2 PID: 1029 at drivers/gpu/drm/i915/intel_uncore.c:1101
__unclaimed_reg_debug+0x40/0x50 [i915]
     Call Trace:
      fwtable_read32+0x233/0x300 [i915]
      i915_interrupt_info+0xa73/0xd60 [i915]
      seq_read+0xdb/0x3c0
      full_proxy_read+0x51/0x80
      vfs_read+0x9e/0x160
      ksys_read+0x8f/0xe0
      do_syscall_64+0x55/0x1c0
      entry_SYSCALL_64_after_hwframe+0x49/0xbe

    Cc: Chris Wilson <chris at chris-wilson.co.uk>
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109824
    Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler at intel.com>
    Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20190912125418.23115-2-arkadiusz.hiler@intel.com

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