| 24,8 → 24,9 |
|---|
| * Eric Anholt <eric@anholt.net> |
| * |
| */ |
| #include <linux/dmi.h> |
| #include <drm/drm_dp_helper.h> |
| #include <drm/drmP.h> |
| #include <drm/drm_dp_helper.h> |
| #include <drm/i915_drm.h> |
| #include "i915_drv.h" |
| #include "intel_bios.h" |
| 1122,6 → 1123,26 |
|---|
| } |
| } |
| |
| static int intel_no_opregion_vbt_callback(const struct dmi_system_id *id) |
| { |
| DRM_DEBUG_KMS("Falling back to manually reading VBT from " |
| "VBIOS ROM for %s\n", |
| id->ident); |
| return 1; |
| } |
| |
| static const struct dmi_system_id intel_no_opregion_vbt[] = { |
| { |
| .callback = intel_no_opregion_vbt_callback, |
| .ident = "ThinkCentre A57", |
| .matches = { |
| DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), |
| DMI_MATCH(DMI_PRODUCT_NAME, "97027RG"), |
| }, |
| }, |
| { } |
| }; |
| |
| static struct bdb_header *validate_vbt(char *base, size_t size, |
| struct vbt_header *vbt, |
| const char *source) |
| 1185,7 → 1206,7 |
|---|
| init_vbt_defaults(dev_priv); |
| |
| /* XXX Should this validation be moved to intel_opregion.c? */ |
| if (dev_priv->opregion.vbt) |
| if (!dmi_check_system(intel_no_opregion_vbt) && dev_priv->opregion.vbt) |
| bdb = validate_vbt((char *)dev_priv->opregion.header, OPREGION_SIZE, |
| (struct vbt_header *)dev_priv->opregion.vbt, |
| "OpRegion"); |