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drm/i915/dp: Use BDB_GENERAL_FEATURES VBT block info for builtin panel-orientation

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Some devices with a builtin panel have the panel mounted upside down,
this is indicated by the rotate_180 bit in the BDB_GENERAL_FEATURES VBT
block.

We store this info in dev_priv->vbt.orientation, use this to set the
connector's orientation property so that fbcon and userspace will show
the image the right way up on devices with an upside-down mounted panel.

This fixes the image being upside-down on a Teclast X89 tablet.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200228114110.187792-3-hdegoede@redhat.com
This commit is contained in:
Hans de Goede 2020-02-28 12:41:10 +01:00
parent 1ca002adce
commit 0dd5b13315
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/i915/display/intel_dp.c
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@ -7608,9 +7608,8 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp,
intel_panel_setup_backlight(connector, pipe);
if (fixed_mode) {
/* We do not know the orientation, but their might be a quirk */
drm_connector_set_panel_orientation_with_quirk(connector,
DRM_MODE_PANEL_ORIENTATION_UNKNOWN,
dev_priv->vbt.orientation,
fixed_mode->hdisplay, fixed_mode->vdisplay);
}