Merge tag 'drm-habanalabs-next-2023-06-08' of https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux into drm-next

This tag contains additional habanalabs driver changes for v6.5:

- uAPI changes:
  - Return 0 when user queries if there was a h/w or f/w error and no such error happened.
    Previously we returned an error in such case.

- New features and improvements:
  - Add pci health check when we lose connection with the firmware. This can be used to
    distinguish between pci link down and firmware getting stuck.
  - Add more info to the error print when TPC interrupt occur.
  - Reduce amount of code under mutex in the command submission of signal event.

- Firmware related fixes:
  - Fixes to the handshake protocol during f/w initialization.
  - Display information that the f/w sends us when encountering a DMA error.
  - Do soft-reset using a message sent to firmware instead of writing to MMIO.
  - Prepare generic code to extract f/w version numbers.

- Bug fixes and code cleanups. Notable fixes are:
  - Unsecure certain TPC registers that the user should access.
  - Fix handling of QMAN errors
  - Fix memory leak when recording errors (to later pass them to the user)
  - Multiple fixes to razwi interrupt handling code

Signed-off-by: Dave Airlie <[email protected]>

From: Oded Gabbay <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

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