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accel/ivpu: Fix dev open/close races with unbind

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- Add context_list_lock to synchronize user context addition/removal
  - Use drm_dev_enter() to prevent unbinding the device during ivpu_open()
    and vpu address allocation

Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Wachowski, Karol <karol.wachowski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240122120945.1150728-2-jacek.lawrynowicz@linux.intel.com
This commit is contained in:
Jacek Lawrynowicz 2024-01-22 13:09:43 +01:00
commit f1cc6aceec
6 changed files with 85 additions and 65 deletions
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