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| author |   Jani Nikula <jani.nikula@intel.com> | 2015-12-14 12:50:51 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2015-12-16 11:26:52 +0200 |
| commit | 65318734645c35a1612f76b856a84b9fb995d7e3 (patch) | |
| tree | 96c8f52504489b018a9831bff4bd05a4d6bfa5ca /drivers/gpu/drm/i915/intel_opregion.c | |
| parent | drm/i915: refactor VBT validation (diff) | |
| download | linux-dev-65318734645c35a1612f76b856a84b9fb995d7e3.tar.xz linux-dev-65318734645c35a1612f76b856a84b9fb995d7e3.zip | |
drm/i915/opregion: make VBT size limit more strict
The VBT in OpRegion should fit in mailbox #4.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/4bdb3f5820e3dbd1cdfa7b65cadfce4f80b880f0.1450089383.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_opregion.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_opregion.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 859c9acbee73..1c8dfc9fca7d 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -988,7 +988,7 @@ int intel_opregion_setup(struct drm_device *dev) if (!dmi_check_system(intel_no_opregion_vbt)) { void *vbt = base + OPREGION_VBT_OFFSET; - u32 vbt_size = OPREGION_SIZE - OPREGION_VBT_OFFSET; + u32 vbt_size = OPREGION_ASLE_EXT_OFFSET - OPREGION_VBT_OFFSET; if (intel_bios_is_valid_vbt(vbt, vbt_size)) { DRM_DEBUG_KMS("Found valid VBT in ACPI OpRegion\n"); |