i915: Remove state batch emit support.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

src/mesa/drivers/dri/i915/intel_batchbuffer.c

@@ -57,7 +57,6 @@ intel_batchbuffer_reset(struct intel_context *intel)
 					intel->maxBatchSize, 4096);
 
    intel->batch.reserved_space = BATCH_RESERVED;
-   intel->batch.state_batch_offset = intel->batch.bo->size;
    intel->batch.used = 0;
 }
 
@@ -118,12 +117,6 @@ do_flush_locked(struct intel_context *intel)
    int ret = 0;
 
    ret = drm_intel_bo_subdata(batch->bo, 0, 4*batch->used, batch->map);
-   if (ret == 0 && batch->state_batch_offset != batch->bo->size) {
-      ret = drm_intel_bo_subdata(batch->bo,
-                                 batch->state_batch_offset,
-                                 batch->bo->size - batch->state_batch_offset,
-                                 (char *)batch->map + batch->state_batch_offset);
-   }
 
    if (!intel->intelScreen->no_hw) {
       if (ret == 0) {

src/mesa/drivers/dri/i915/intel_batchbuffer.h

@@ -73,7 +73,7 @@ static INLINE uint32_t float_as_int(float f)
 static INLINE unsigned
 intel_batchbuffer_space(struct intel_context *intel)
 {
-   return (intel->batch.state_batch_offset - intel->batch.reserved_space)
+   return (intel->batch.bo->size - intel->batch.reserved_space)
       - intel->batch.used*4;
 }
 

src/mesa/drivers/dri/i915/intel_context.h

@@ -127,8 +127,6 @@ struct intel_batchbuffer {
    uint32_t *map;
    uint32_t *cpu_map;
 #define BATCH_SZ (8192*sizeof(uint32_t))
-
-   uint32_t state_batch_offset;
 };
 
 /**