drm/i915/dsi: don't pretend we support SC GPIOs

False ideas introduced in

commit 1d96a4a8ace6c1b08c7d203d9533b14e59f2200b
Author: Jani Nikula <jani.nikula@intel.com>
Date:   Fri Mar 18 13:11:10 2016 +0200

    drm/i915/dsi: add support for DSI sequence block v2 gpio element

Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/5264e2f796c4bdc4128cff5a5e245da3038bf1b3.1460039033.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 e498f1c3221e368a5d2d53b20c609b7633baa744..c7281c391d0f683fc94aef27dbc916a09c279eb4 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
+++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
@@ -209,7 +209,8 @@ static void vlv_exec_gpio(struct drm_i915_private *dev_priv,
                if (gpio_source == 0) {
                        port = IOSF_PORT_GPIO_NC;
                } else if (gpio_source == 1) {
-                       port = IOSF_PORT_GPIO_SC;
+                       DRM_DEBUG_KMS("SC gpio not supported\n");
+                       return;
                } else {
                        DRM_DEBUG_KMS("unknown gpio source %u\n", gpio_source);
                        return;