[PATCH] intel: Do not assert on unknown chips in drm_intel_decode_context_alloc

[Chris Wilson]

Quoting Tvrtko Ursulin (2020-11-18 16:36:01)
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> There is this long standing nit of igt/tools/intel_error_decode asserting
> when you feed it an error state from a GPU the local libdrm does not know
> of.
> 
> To fix this I need a tweak in drm_intel_decode_context_alloc to make it
> not assert but just return NULL (which seems an already possible return
> value).
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>

Good riddance,
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris