diff options
| author | Patrik Jakobsson | 2019-04-16 13:46:07 +0200 |
|---|---|---|
| committer | Patrik Jakobsson | 2019-05-21 10:59:00 +0200 |
| commit | 7c420636860a719049fae9403e2c87804f53bdde (patch) | |
| tree | 3217af09658f608c9ee8367a16c50f7484c62b13 /drivers/gpu/drm/gma500/intel_bios.c | |
| parent | Merge drm-misc-next-fixes-2019-05-20 into drm-misc-fixes (diff) | |
| download | kernel-qcow2-linux-7c420636860a719049fae9403e2c87804f53bdde.tar.gz kernel-qcow2-linux-7c420636860a719049fae9403e2c87804f53bdde.tar.xz kernel-qcow2-linux-7c420636860a719049fae9403e2c87804f53bdde.zip | |
drm/gma500/cdv: Check vbt config bits when detecting lvds panels
Some machines have an lvds child device in vbt even though a panel is
not attached. To make detection more reliable we now also check the lvds
config bits available in the vbt.
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1665766
Cc: stable@vger.kernel.org
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190416114607.1072-1-patrik.r.jakobsson@gmail.com
Diffstat (limited to 'drivers/gpu/drm/gma500/intel_bios.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/intel_bios.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/gma500/intel_bios.c b/drivers/gpu/drm/gma500/intel_bios.c index 63bde4e86c6a..e019ea271ffc 100644 --- a/drivers/gpu/drm/gma500/intel_bios.c +++ b/drivers/gpu/drm/gma500/intel_bios.c @@ -436,6 +436,9 @@ parse_driver_features(struct drm_psb_private *dev_priv, if (driver->lvds_config == BDB_DRIVER_FEATURE_EDP) dev_priv->edp.support = 1; + dev_priv->lvds_enabled_in_vbt = driver->lvds_config != 0; + DRM_DEBUG_KMS("LVDS VBT config bits: 0x%x\n", driver->lvds_config); + /* This bit means to use 96Mhz for DPLL_A or not */ if (driver->primary_lfp_id) dev_priv->dplla_96mhz = true; |