[Intel-gfx] [PATCH] drm/i915/selftests: allow misaligned_pin test work with unmappable memory

[Matthew Auld]

On 25/08/2022 16:42, Andrzej Hajda wrote:
> In case of Small BAR configurations stolen local memory can be unmappable.
> Since the test does not touch the memory, passing I915_BO_ALLOC_GPU_ONLY
> flag to i915_gem_object_create_region, will prevent -ENOSPC error from
> _i915_gem_object_stolen_init.
> 
> Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/6565
> Signed-off-by: Andrzej Hajda <andrzej.hajda at intel.com>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>

> ---
>   drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
> index fb5e6196347925..e050a2de5fd1df 100644
> --- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
> +++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
> @@ -1080,7 +1080,7 @@ static int misaligned_case(struct i915_address_space *vm, struct intel_memory_re
>   	bool is_stolen = mr->type == INTEL_MEMORY_STOLEN_SYSTEM ||
>   			 mr->type == INTEL_MEMORY_STOLEN_LOCAL;
>   
> -	obj = i915_gem_object_create_region(mr, size, 0, 0);
> +	obj = i915_gem_object_create_region(mr, size, 0, I915_BO_ALLOC_GPU_ONLY);
>   	if (IS_ERR(obj)) {
>   		/* if iGVT-g or DMAR is active, stolen mem will be uninitialized */
>   		if (PTR_ERR(obj) == -ENODEV && is_stolen)