drm/i915/opregion: make VBT pointer a const

Because we can. It's not to be touched so tell the compiler too.

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/4b1872b121fb34a193cff9a5cb4e7c858d4a55aa.1450089383.git.jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2015-12-14 12:50:52 +02:00
parent 6531873464
commit 827303855d
2 changed files with 2 additions and 2 deletions

View file

@ -457,7 +457,7 @@ struct intel_opregion {
u32 swsci_gbda_sub_functions;
u32 swsci_sbcb_sub_functions;
struct opregion_asle *asle;
void *vbt;
const void *vbt;
u32 *lid_state;
struct work_struct asle_work;
};

View file

@ -987,7 +987,7 @@ int intel_opregion_setup(struct drm_device *dev)
DRM_DEBUG_DRIVER("ASLE extension supported\n");
if (!dmi_check_system(intel_no_opregion_vbt)) {
void *vbt = base + OPREGION_VBT_OFFSET;
const void *vbt = base + OPREGION_VBT_OFFSET;
u32 vbt_size = OPREGION_ASLE_EXT_OFFSET - OPREGION_VBT_OFFSET;
if (intel_bios_is_valid_vbt(vbt, vbt_size)) {