drm/i915: s/fbc_fc/fbc_false_color/

We're not that short on characters that we can't spell out
"false_color". Saves me from figuring out what "fc" means
the next time look at the code.

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170606124412.5335-1-ville.syrjala@linux.intel.comReviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/i915/i915_debugfs.c

@@ -1694,7 +1694,7 @@ static int i915_fbc_status(struct seq_file *m, void *unused)
 	return 0;
 }
 
-static int i915_fbc_fc_get(void *data, u64 *val)
+static int i915_fbc_false_color_get(void *data, u64 *val)
 {
 	struct drm_i915_private *dev_priv = data;
 
@@ -1706,7 +1706,7 @@ static int i915_fbc_fc_get(void *data, u64 *val)
 	return 0;
 }
 
-static int i915_fbc_fc_set(void *data, u64 val)
+static int i915_fbc_false_color_set(void *data, u64 val)
 {
 	struct drm_i915_private *dev_priv = data;
 	u32 reg;
@@ -1727,8 +1727,8 @@ static int i915_fbc_fc_set(void *data, u64 val)
 	return 0;
 }
 
-DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_fc_fops,
-			i915_fbc_fc_get, i915_fbc_fc_set,
+DEFINE_SIMPLE_ATTRIBUTE(i915_fbc_false_color_fops,
+			i915_fbc_false_color_get, i915_fbc_false_color_set,
 			"%llu\n");
 
 static int i915_ips_status(struct seq_file *m, void *unused)
@@ -4869,7 +4869,7 @@ static const struct i915_debugfs_files {
 	{"i915_pri_wm_latency", &i915_pri_wm_latency_fops},
 	{"i915_spr_wm_latency", &i915_spr_wm_latency_fops},
 	{"i915_cur_wm_latency", &i915_cur_wm_latency_fops},
-	{"i915_fbc_false_color", &i915_fbc_fc_fops},
+	{"i915_fbc_false_color", &i915_fbc_false_color_fops},
 	{"i915_dp_test_data", &i915_displayport_test_data_fops},
 	{"i915_dp_test_type", &i915_displayport_test_type_fops},
 	{"i915_dp_test_active", &i915_displayport_test_active_fops},