From: Jani Nikula <jani.nikula@intel.com>
Date: Tue, 26 Apr 2016 10:27:39 +0000 (+0300)
Subject: drm/i915/dsi: add support for sequence block v3 gpio for VLV
X-Git-Tag: v4.8-rc1~62^2~45^2~181
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=4b541efe440b45cd9cc1fb609d211316dca2cc96;p=karo-tx-linux.git

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 c7281c391d0f..a1cc8533cff5 100644
--- 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;