Re: [PATCH 0/3] accel/ivpu: Rework HW IP generation detection and dispatch

["Wachowski, Karol" <karol.wachowski@linux.intel.com>]

On 01-Oct-26 13:03, Dawid Osuchowski wrote:
> This series reworks how the driver determines the HW IP generation and
> buttress version, and how it dispatches on them.
> 
> Today ivpu_hw_ip_gen() and ivpu_hw_btrs_gen() run a switch over the PCI
> device ID on every call, and an unknown ID only triggers a WARN() while
> probe continues with an undefined generation. Patch 1 resolves both
> values once during device init and fails probe with -EINVAL on an
> unrecognized device ID.
> 
> With that guarantee in place, patch 2 changes the stored values and their
> accessors to the real enum types and drops the default: labels from the
> switches that dispatch on them, so -Wswitch flags a generation that is
> added later but not handled.
> 
> Patch 3 splits the remaining per-generation dispatch in
> ivpu_hw_ip_soc_cpu_boot() and pwr_island_delay_set() into helpers that
> return directly from each case, removing the locals that were left
> uninitialized on the path past the last case.
> 
> No functional change is intended beyond failing probe on an unknown PCI
> device ID and logging the SOC CPU boot mode even when the boot fails.
> 
> Andrzej Kacprowski (1):
>    accel/ivpu: Improve HW IP gen and buttress version checks
> 
> Dawid Osuchowski (1):
>    accel/ivpu: Convert hw_ip_gen/btrs_gen to enum types
> 
> Karol Wachowski (1):
>    accel/ivpu: Split HW IP generation dispatch into helpers
> 
>   drivers/accel/ivpu/ivpu_drv.c   | 69 +++++++++++++++++++-------
>   drivers/accel/ivpu/ivpu_drv.h   | 65 +++++++++----------------
>   drivers/accel/ivpu/ivpu_hw.h    |  1 -
>   drivers/accel/ivpu/ivpu_hw_ip.c | 86 ++++++++++++++++-----------------
>   4 files changed, 117 insertions(+), 104 deletions(-)
> 

Applied to drm-misc-next.