[igt-dev] [PATCH i-g-t v4] tests/i915: skip gem_set_caching call for mtl

[Dixit, Ashutosh]

On Fri, 31 Mar 2023 05:47:17 -0700, Vikas Srivastava wrote:
>
> diff --git a/lib/ioctl_wrappers.c b/lib/ioctl_wrappers.c
> index 1ab41ab6d6..ebd8a2f36f 100644
> --- a/lib/ioctl_wrappers.c
> +++ b/lib/ioctl_wrappers.c
> @@ -1297,3 +1297,17 @@ bool igt_has_drm_cap(int fd, uint64_t capability)
>	igt_assert(drmIoctl(fd, DRM_IOCTL_GET_CAP, &cap) == 0);
>	return cap.value;
>  }
> +
> +/**
> + * igt_has_set_caching:
> + * @devid: platform id.
> + *
> + * This helper verifies if the passed platform id
> + * has support for setting cache.
> + *
> + * Returns: Whether the cache setting  is supported or not.
> + */
> +bool igt_has_set_caching(uint32_t devid)
> +{
> +	return IS_METEORLAKE(devid) ? false : true;

Can we include the gem_has_lmem condition below here too?


> +}
> diff --git a/lib/ioctl_wrappers.h b/lib/ioctl_wrappers.h
> index e4d7c0d408..4c232078d0 100644
> --- a/lib/ioctl_wrappers.h
> +++ b/lib/ioctl_wrappers.h
> @@ -145,6 +145,7 @@ void prime_sync_end(int dma_buf_fd, bool write);
>  bool igt_has_fb_modifiers(int fd);
>  void igt_require_fb_modifiers(int fd);
>  bool igt_has_drm_cap(int fd, uint64_t capability);
> +bool igt_has_set_caching(uint32_t devid);
>
>  /**
>   * __kms_addfb:
> diff --git a/tests/i915/gem_caching.c b/tests/i915/gem_caching.c
> index eb0170abca..d0c7aa035f 100644
> --- a/tests/i915/gem_caching.c
> +++ b/tests/i915/gem_caching.c
> @@ -158,6 +158,11 @@ igt_main
>			igt_info("coherency broken on i965g/gm\n");
>			flags = 0;
>		}
> +
> +		if (!gem_has_lmem(data.fd))
> +			igt_require_f(igt_has_set_caching(data.devid),
> +				      " cache setting not supported on this target\n");
> +
>		data.bops = buf_ops_create(data.fd);
>
>		scratch_buf = intel_buf_create(data.bops, BO_SIZE/4, 1,