[Intel-gfx] [PATCH v2 2/2] drm/i915/bios: reduce the scope of some local variables in parse_ddi_port()

Jani Nikula jani.nikula at intel.com
Wed Apr 11 13:15:19 UTC 2018


No functional changes.

Cc: Chris Wilson <chris at chris-wilson.co.uk>
Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/intel_bios.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 447b721c3be9..036307af8419 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -1215,10 +1215,8 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
 {
 	struct child_device_config *it, *child = NULL;
 	struct ddi_vbt_port_info *info = &dev_priv->vbt.ddi_port_info[port];
-	uint8_t hdmi_level_shift;
 	int i, j;
 	bool is_dvi, is_hdmi, is_dp, is_edp, is_crt;
-	uint8_t aux_channel, ddc_pin;
 	/* Each DDI port can have more than one value on the "DVO Port" field,
 	 * so look for all the possible values for each port.
 	 */
@@ -1255,8 +1253,6 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
 	if (!child)
 		return;
 
-	aux_channel = child->aux_channel;
-
 	is_dvi = child->device_type & DEVICE_TYPE_TMDS_DVI_SIGNALING;
 	is_dp = child->device_type & DEVICE_TYPE_DISPLAYPORT_OUTPUT;
 	is_crt = child->device_type & DEVICE_TYPE_ANALOG_OUTPUT;
@@ -1302,6 +1298,8 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
 		DRM_DEBUG_KMS("Port %c is internal DP\n", port_name(port));
 
 	if (is_dvi) {
+		u8 ddc_pin;
+
 		ddc_pin = map_ddc_pin(dev_priv, child->ddc_pin);
 		if (intel_gmbus_is_valid_pin(dev_priv, ddc_pin)) {
 			info->alternate_ddc_pin = ddc_pin;
@@ -1314,14 +1312,14 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port,
 	}
 
 	if (is_dp) {
-		info->alternate_aux_channel = aux_channel;
+		info->alternate_aux_channel = child->aux_channel;
 
 		sanitize_aux_ch(dev_priv, port);
 	}
 
 	if (bdb_version >= 158) {
 		/* The VBT HDMI level shift values match the table we have. */
-		hdmi_level_shift = child->hdmi_level_shifter_value;
+		u8 hdmi_level_shift = child->hdmi_level_shifter_value;
 		DRM_DEBUG_KMS("VBT HDMI level shift for port %c: %d\n",
 			      port_name(port),
 			      hdmi_level_shift);
-- 
2.11.0



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