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8f0d3618c6
i915 wants to read out the PTE(s) populated by the BIOS/GOP to verify that the framebuffer is in the correct location. Introduce intel_gmch_gtt_read_entry() that reads out the PTE and decodes it to a somewhat abstract form. For now we just return the dma_addr, present bit, and local memory bit. I didn't bother with the snoop bit/etc. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20250313140838.29742-4-ville.syrjala@linux.intel.com Reviewed-by: Jouni Högander <jouni.hogander@intel.com>