diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lvds.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lvds.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index aa84832b0e1a..c5c0973af8a1 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -739,6 +739,22 @@ static const struct dmi_system_id intel_no_lvds[] = { DMI_MATCH(DMI_BOARD_NAME, "AT5NM10T-I"), }, }, + { + .callback = intel_no_lvds_dmi_callback, + .ident = "Hewlett-Packard t5745", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_BOARD_NAME, "hp t5745"), + }, + }, + { + .callback = intel_no_lvds_dmi_callback, + .ident = "Hewlett-Packard st5747", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_BOARD_NAME, "hp st5747"), + }, + }, { } /* terminating entry */ }; @@ -844,6 +860,18 @@ static bool lvds_is_present_in_vbt(struct drm_device *dev, return false; } +static bool intel_lvds_supported(struct drm_device *dev) +{ + /* With the introduction of the PCH we gained a dedicated + * LVDS presence pin, use it. */ + if (HAS_PCH_SPLIT(dev)) + return true; + + /* Otherwise LVDS was only attached to mobile products, + * except for the inglorious 830gm */ + return IS_MOBILE(dev) && !IS_I830(dev); +} + /** * intel_lvds_init - setup LVDS connectors on this device * @dev: drm device @@ -865,6 +893,9 @@ bool intel_lvds_init(struct drm_device *dev) int pipe; u8 pin; + if (!intel_lvds_supported(dev)) + return false; + /* Skip init on machines we know falsely report LVDS */ if (dmi_check_system(intel_no_lvds)) return false; |