[Intel-gfx] [PATCH 11/27] drm/i915/icl: Gen11 render context size

[Rodrigo Vivi]

On Tue, Jan 09, 2018 at 11:28:19PM +0000, Paulo Zanoni wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> The current size may be bigger than the correct one, this needs to be
> revisited later.

I don't believe this is true anymore. When this was written initially CNL had a higher value.

Higher values are ok, but smaller can be problematic if I understood correctly.

So we might need to check the accurate number.

Oscar has a good method for that if iirc ;)

> 
> v2: Rebase.
> 
> Acked-by: Ben Widawsky <benjamin.widawsky at intel.com>
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_engine_cs.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
> index e88b2fd44724..a373bcbd85d8 100644
> --- a/drivers/gpu/drm/i915/intel_engine_cs.c
> +++ b/drivers/gpu/drm/i915/intel_engine_cs.c
> @@ -181,6 +181,8 @@ __intel_engine_context_size(struct drm_i915_private *dev_priv, u8 class)
>  		switch (INTEL_GEN(dev_priv)) {
>  		default:
>  			MISSING_CASE(INTEL_GEN(dev_priv));
> +		case 11:
> +			/* TODO: Make sure this is correct. */
>  		case 10:
>  			return GEN10_LR_CONTEXT_RENDER_SIZE;
>  		case 9:
> -- 
> 2.14.3
>