Arun Siluvery <[email protected]> writes:

> In Indirect and Per context w/a batch buffer,
> +WaDisableCtxRestoreArbitration
>
> v2: SKL revision id was used for BXT, copy paste error found during
> internal review (Bob Beckett).
>
> Cc: Robert Beckett <[email protected]>
> Cc: Imre Deak <[email protected]>
> Signed-off-by: Arun Siluvery <[email protected]>

Reviewed-by: Mika Kuoppala <[email protected]>

> ---
>  drivers/gpu/drm/i915/intel_lrc.c | 13 +++++++++++--
>  1 file changed, 11 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_lrc.c 
> b/drivers/gpu/drm/i915/intel_lrc.c
> index 1e88b3b..e84fc52 100644
> --- a/drivers/gpu/drm/i915/intel_lrc.c
> +++ b/drivers/gpu/drm/i915/intel_lrc.c
> @@ -1274,10 +1274,13 @@ static int gen9_init_indirectctx_bb(struct 
> intel_engine_cs *ring,
>                                   uint32_t *const batch,
>                                   uint32_t *offset)
>  {
> +     struct drm_device *dev = ring->dev;
>       uint32_t index = wa_ctx_start(wa_ctx, *offset, CACHELINE_DWORDS);
>  
> -     /* FIXME: Replace me with WA */
> -     wa_ctx_emit(batch, MI_NOOP);
> +     /* WaDisableCtxRestoreArbitration:skl,bxt */
> +     if ((IS_SKYLAKE(dev) && (INTEL_REVID(dev) <= SKL_REVID_D0)) ||
> +         (IS_BROXTON(dev) && (INTEL_REVID(dev) == BXT_REVID_A0)))
> +             wa_ctx_emit(batch, MI_ARB_ON_OFF | MI_ARB_DISABLE);
>  
>       /* Pad to end of cacheline */
>       while (index % CACHELINE_DWORDS)
> @@ -1291,8 +1294,14 @@ static int gen9_init_perctx_bb(struct intel_engine_cs 
> *ring,
>                              uint32_t *const batch,
>                              uint32_t *offset)
>  {
> +     struct drm_device *dev = ring->dev;
>       uint32_t index = wa_ctx_start(wa_ctx, *offset, CACHELINE_DWORDS);
>  
> +     /* WaDisableCtxRestoreArbitration:skl,bxt */
> +     if ((IS_SKYLAKE(dev) && (INTEL_REVID(dev) <= SKL_REVID_D0)) ||
> +         (IS_BROXTON(dev) && (INTEL_REVID(dev) == BXT_REVID_A0)))
> +             wa_ctx_emit(batch, MI_ARB_ON_OFF | MI_ARB_ENABLE);
> +
>       wa_ctx_emit(batch, MI_BATCH_BUFFER_END);
>  
>       return wa_ctx_end(wa_ctx, *offset = index, 1);
> -- 
> 1.9.1
>
> _______________________________________________
> Intel-gfx mailing list
> [email protected]
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
_______________________________________________
Intel-gfx mailing list
[email protected]
http://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to