[Intel-gfx] [PATCH 6/9] drm/i915: Generate addressing mode bit from flag in context.

[Chris Wilson]

On Tue, May 17, 2016 at 04:19:06AM -0400, Zhi Wang wrote:
> Previously the addressing mode bit in context descriptor is generated from
> context PPGTT. As we allow context could be used without PPGTT, and we
> still need to know the addressing mode during context submission, a flag
> is introduced.
> 
> And the addressing mode bit will be generated from this flag.
> 
> v5:
> 
> - Change USES_FULL_48BIT(dev) to USES_FULL_48BIT(dev_priv) (Tvrtko)
> 
> Signed-off-by: Zhi Wang <zhi.a.wang at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_drv.h         | 1 +
>  drivers/gpu/drm/i915/i915_gem_context.c | 2 ++
>  drivers/gpu/drm/i915/intel_lrc.c        | 9 +++++----
>  3 files changed, 8 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index cc83f2d..91f69e5 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -884,6 +884,7 @@ struct intel_context {
>  		bool initialised;
>  	} engine[I915_NUM_ENGINES];
>  	u32 ring_buffer_size;
> +	bool use_48bit_addressing_mode;

A whole bool? You could put the desc.addressing_mode in there!
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre