[PATCH v2] x86/gpu: add CFL to early quirks

Ingo Molnar mingo at kernel.org
Fri Dec 15 16:39:25 UTC 2017

* Lucas De Marchi <lucas.demarchi at intel.com> 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 at intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Cc: Anusha Srivatsa <anusha.srivatsa at intel.com>
> Cc: Jani Nikula <jani.nikula at linux.intel.com>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: David Airlie <airlied at linux.ie>
> Cc: intel-gfx at lists.freedesktop.org
> Cc: dri-devel at lists.freedesktop.org
> Cc: Ingo Molnar <mingo at kernel.org>
> Cc: H. Peter Anvin <hpa at zytor.com>
> Cc: Thomas Gleixner <tglx at linutronix.de>
> Cc: x86 at kernel.org
> Cc: <stable at vger.kernel.org> # v4.13+ 0890540e21cf drm/i915: add GT number to intel_device_info
> Cc: <stable at vger.kernel.org> # v4.13+ 41693fd52373 drm/i915/kbl: Change a KBL pci id to GT2 from GT1.5
> Cc: <stable at vger.kernel.org> # v4.13+
> Reviewed-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> ---
> 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 at kernel.org>



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