On Mon, 24 Jan 2022, Ville Syrjala <ville.syrj...@linux.intel.com> wrote:
> From: Ville Syrjälä <ville.syrj...@linux.intel.com>
>
> Tryingf to do readout when we don't even have a cpu transcoder
> is not a great idea. Don't do it.
>
> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>

Reviewed-by: Jani Nikula <jani.nik...@intel.com>


> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c 
> b/drivers/gpu/drm/i915/display/intel_display.c
> index 80bc52425e47..e32a7a1e7ba0 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -4380,13 +4380,13 @@ static bool hsw_get_pipe_config(struct intel_crtc 
> *crtc,
>               active = true;
>       }
>  
> +     if (!active)
> +             goto out;
> +
>       intel_dsc_get_config(pipe_config);
>       if (DISPLAY_VER(dev_priv) >= 13 && !pipe_config->dsc.compression_enable)
>               intel_uncompressed_joiner_get_config(pipe_config);
>  
> -     if (!active)
> -             goto out;
> -
>       if (!transcoder_is_dsi(pipe_config->cpu_transcoder) ||
>           DISPLAY_VER(dev_priv) >= 11)
>               intel_get_transcoder_timings(crtc, pipe_config);

-- 
Jani Nikula, Intel Open Source Graphics Center

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