drm/i915/dsi: add support for sequence block v3 gpio for VLV

Only support North Core (NC) GPIOs for now, and assume the vlv gpio
table only has NC GPIOs for now.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/d51c9479e8ef0b201452086870e7785928a86289.1461666263.git.jani.nikula@intel.com

diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
index c7281c391d0f683fc94aef27dbc916a09c279eb4..a1cc8533cff5ba07d776220cd51043f1fc2f16ae 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
+++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
@@ -203,8 +203,8 @@ static void vlv_exec_gpio(struct drm_i915_private *dev_priv,
        map = &vlv_gpio_table[gpio_index];
 
        if (dev_priv->vbt.dsi.seq_version >= 3) {
-               DRM_DEBUG_KMS("GPIO element v3 not supported\n");
-               return;
+               /* XXX: this assumes vlv_gpio_table only has NC GPIOs. */
+               port = IOSF_PORT_GPIO_NC;
        } else {
                if (gpio_source == 0) {
                        port = IOSF_PORT_GPIO_NC;