Ben Widawsky writes:
> GEN8 removes the GT FIFO which we've all come to know and love. Instead
> it offers a wider range of optimized registers which always keep a
> shadowed copy, and are fed to the GPU when it wakes.
>
> How this is implemented in hardware is still somewhat of a mystery. As
> f
On Sat, Nov 02, 2013 at 09:07:00PM -0700, Ben Widawsky wrote:
> +static bool is_gen8_optimized(struct drm_i915_private *dev_priv, u32 reg)
> +{
> + int i;
> + for (i = 0; i < ARRAY_SIZE(gen8_optimized_regs); i++)
> + if (reg == gen8_optimized_regs[i])
> + ret
GEN8 removes the GT FIFO which we've all come to know and love. Instead
it offers a wider range of optimized registers which always keep a
shadowed copy, and are fed to the GPU when it wakes.
How this is implemented in hardware is still somewhat of a mystery. As
far as I can tell, the basic design
