[Intel-gfx] [PATCH v7 07/11] drm/i915: Make ring buffer size of a LRC context configurable

[Chris Wilson]

On Tue, Jun 07, 2016 at 11:18:43AM -0400, Zhi Wang wrote:
> This patch introduces an option for configuring the ring buffer size
> of a LRC context after the context creation.
> 
> 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 | 1 +
>  drivers/gpu/drm/i915/intel_lrc.c        | 3 ++-
>  3 files changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 33147b1..50b3ea7 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -878,6 +878,7 @@ struct i915_gem_context {
>  		int pin_count;
>  		bool initialised;
>  	} engine[I915_NUM_ENGINES];
> +	u32 lrc_ring_buffer_size;

u32 ring_size;

There is no reason why we need to limit it to lrc other than immediate
convenience.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre