gma500: prune some unused variables

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/gma500/psb_intel_lvds.c b/drivers/staging/gma500/psb_intel_lvds.c
index 28e04a3e7b6fe8fb63ca158f37f720ca99e90dfe..b0a225b9f562c4b59641a49bf4d45e487aa63a36 100644 (file)
--- a/drivers/staging/gma500/psb_intel_lvds.c
+++ b/drivers/staging/gma500/psb_intel_lvds.c
@@ -32,13 +32,6 @@
 #include "psb_powermgmt.h"
 #include <linux/pm_runtime.h>
 
-/* MRST defines start */
-uint8_t blc_freq;
-uint8_t blc_minbrightness;
-uint8_t blc_i2caddr;
-uint8_t blc_brightnesscmd;
-int lvds_backlight;            /* restore backlight to this value */
-
 u32 CoreClock;
 u32 PWMControlRegFreq;
 
@@ -97,8 +90,11 @@ static u32 psb_intel_lvds_get_max_backlight(struct drm_device *dev)
        return retVal;
 }
 
-/**
+/*
  * Set LVDS backlight level by I2C command
+ *
+ * FIXME: at some point we need to both track this for PM and also
+ * disable runtime pm on MRST if the brightness is nil (ie blanked)
  */
 static int psb_lvds_i2c_set_brightness(struct drm_device *dev,
                                        unsigned int level)
@@ -131,7 +127,7 @@ static int psb_lvds_i2c_set_brightness(struct drm_device *dev,
 
        if (i2c_transfer(&lvds_i2c_bus->adapter, msgs, 1) == 1) {
                DRM_DEBUG("I2C set brightness.(command, value) (%d, %d)\n",
-                       blc_brightnesscmd,
+                       dev_priv->lvds_bl->brightnesscmd,
                        blc_i2c_brightness);
                return 0;
        }