drm/i915: rip out dev_priv->tex_lru_log_granularity

Assigned in setparam, used never.

I didn't bother to dig through the archives to figure out what
this was supposed to do.
Acked-by: NJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/i915_dma.c

@@ -879,7 +879,6 @@ static int i915_setparam(struct drm_device *dev, void *data,
 	case I915_SETPARAM_USE_MI_BATCHBUFFER_START:
 		break;
 	case I915_SETPARAM_TEX_LRU_LOG_GRANULARITY:
-		dev_priv->tex_lru_log_granularity = param->value;
 		break;
 	case I915_SETPARAM_ALLOW_BATCHBUFFER:
 		dev_priv->dri1.allow_batchbuffer = param->value ? 1 : 0;

drivers/gpu/drm/i915/i915_drv.h

@@ -398,7 +398,6 @@ typedef struct drm_i915_private {
 	u32 hotplug_supported_mask;
 	struct work_struct hotplug_work;
 
-	int tex_lru_log_granularity;
 	unsigned int sr01, adpa, ppcr, dvob, dvoc, lvds;
 	int num_pipe;
 	int num_pch_pll;