[Bug 68165] [SNB eDP bisected]I-G-T/testdisplay -f causes eDP black

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68165

--- Comment #13 from cancan,feng <cancan.feng at intel.com> ---
(In reply to comment #9)
> Please apply this on top of latest (working!) kernels. If it brings back the
> issue again, we can safely close the bug. Thanks.
> 
> diff --git a/drivers/gpu/drm/i915/intel_panel.c
> b/drivers/gpu/drm/i915/intel_panel.c
> index 293564a..5df872f 100644
> --- a/drivers/gpu/drm/i915/intel_panel.c
> +++ b/drivers/gpu/drm/i915/intel_panel.c
> @@ -40,8 +40,6 @@ intel_fixed_panel_mode(const struct drm_display_mode
> *fixed_mode,
>  		       struct drm_display_mode *adjusted_mode)
>  {
>  	drm_mode_copy(adjusted_mode, fixed_mode);
> -
> -	drm_mode_set_crtcinfo(adjusted_mode, 0);
>  }
>  
>  /* adjusted_mode has been preset to be the panel's fixed mode */

Hi, I applied this patch on latest kernel and retested it. I can't tell if it
can bring back the issue because system boots up with eDP black. Does this what
we expect?

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