* Lucas De Marchi <lucas.demarchi@xxxxxxxxx> wrote:
> CFL was missing from intel_early_ids[]. The PCI ID needs to be there to
> allow the memory region to be stolen, otherwise we could have RAM being
> arbitrarily overwritten if for example we keep using the UEFI framebuffer,
> depending on how BIOS has set up the e820 map.
>
> Fixes: b056f8f3d6b9 ("drm/i915/cfl: Add Coffee Lake PCI IDs for S Skus.")
> Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Cc: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: H. Peter Anvin <hpa@xxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: x86@xxxxxxxxxx
> Cc: <stable@xxxxxxxxxxxxxxx> # v4.13+ 0890540e21cf drm/i915: add GT number to intel_device_info
> Cc: <stable@xxxxxxxxxxxxxxx> # v4.13+ 41693fd52373 drm/i915/kbl: Change a KBL pci id to GT2 from GT1.5
> Cc: <stable@xxxxxxxxxxxxxxx> # v4.13+
> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> ---
>
> v2: improve commit message, add Fixes tag and CC stable
>
> arch/x86/kernel/early-quirks.c | 1 +
> include/drm/i915_pciids.h | 6 ++++++
> 2 files changed, 7 insertions(+)
Acked-by: Ingo Molnar <mingo@xxxxxxxxxx>
Thanks,
Ingo