int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */
int num_fence_regs; /* 8 on pre-965, 16 otherwise */
- unsigned int fsb_freq, mem_freq;
+ unsigned int fsb_freq, mem_freq, is_ddr3;
spinlock_t error_lock;
struct drm_i915_error_state *first_error;