On Thu, Sep 21, 2017 at 11:19:49PM +0000, Oscar Mateo wrote:
> The total size of the context has decreased with the removal of the
> URB_ATOMIC section. BSpec indicates 16750 DWORDs (17 pages), plus
> one page for PPHWSP, and I'm throwing an extra page for precaution.
I could never find this info on bspec... could you please point that to
me?
Anyways this value matches with other HW engineers had told me a while
ago, and we now have CNL on CI, so:
Acked-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
>
> Signed-off-by: Oscar Mateo <oscar.mateo@xxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
> Cc: Ben Widawsky <ben@xxxxxxxxxxxx>
> ---
> 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 3d135c3..a3115f3 100644
> --- a/drivers/gpu/drm/i915/intel_engine_cs.c
> +++ b/drivers/gpu/drm/i915/intel_engine_cs.c
> @@ -39,6 +39,7 @@
>
> #define GEN8_LR_CONTEXT_RENDER_SIZE (20 * PAGE_SIZE)
> #define GEN9_LR_CONTEXT_RENDER_SIZE (22 * PAGE_SIZE)
> +#define GEN10_LR_CONTEXT_RENDER_SIZE (19 * PAGE_SIZE)
>
> #define GEN8_LR_CONTEXT_OTHER_SIZE ( 2 * PAGE_SIZE)
>
> @@ -150,6 +151,7 @@ struct engine_info {
> default:
> MISSING_CASE(INTEL_GEN(dev_priv));
> case 10:
> + return GEN10_LR_CONTEXT_RENDER_SIZE;
> case 9:
> return GEN9_LR_CONTEXT_RENDER_SIZE;
> case 8:
> --
> 1.9.1
>
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