[Bug 96526] [APL BSW BDW] [BAT execlists] Sporadic - gem_exec_suspend basic-s4 GPU hang after resume

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96526

--- Comment #56 from cprigent <christophe.prigent at intel.com> ---
Created attachment 126704
  --> https://bugs.freedesktop.org/attachment.cgi?id=126704&action=edit
BDW__with-patch-comment-54

The patch (In reply to Chris Wilson from comment #54)
> Does
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem_context.c
> b/drivers/gpu/drm/i915/i915_gem_context.c
> index df10f4e95736..331c4a5c6822 100644
> --- a/drivers/gpu/drm/i915/i915_gem_context.c
> +++ b/drivers/gpu/drm/i915/i915_gem_context.c
> @@ -945,7 +945,7 @@ int i915_gem_switch_to_kernel_context(struct
> drm_i915_private *dev_priv)
>                         return PTR_ERR(req);
>  
>                 ret = i915_switch_context(req);
> -               i915_add_request_no_flush(req);
> +               i915_add_request(req);
>                 if (ret)
>                         return ret;
>         }
> 
> help?

No. I reproduce it on BDW.

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