[PATCH resend 2/2] drm/i915/dp: Use BDB_GENERAL_FEATURES VBT block info for builtin panel-orientation

[Ville Syrjälä]

On Fri, Feb 28, 2020 at 12:41:10PM +0100, Hans de Goede wrote:
> 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 at redhat.com>
> ---
>  drivers/gpu/drm/i915/display/intel_dp.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
> index 2db8d46f61a1..c31f5233941c 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -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,

That's the non-DSI specific one I presume... yes.

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

>  				fixed_mode->hdisplay, fixed_mode->vdisplay);
>  	}
>  
> -- 
> 2.24.1

-- 
Ville Syrjälä
Intel