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intel/dev: Compute pixel pipe information based on geometry topology DRM query.

This changes the intel_device_info calculation to call an additional DRM query requesting the geometry topology from the kernel, which may differ from the result of the current topology query on XeHP+ platforms with compute-only and 3D-only DSSes. This query should be more reliable than the guesswork done in intel_device_info.c trying to figure out which DSSes are available for the render CS, introduced in MR !13569 (merged).

XXX - This depends on an i915 interface which hasn't been upstreamed yet.

Edited by Francisco Jerez

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