Re: [PATCH] drm/i915: Propagate invalid setcrtc cloning errors back to userspace

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On Mon, Nov 17, 2014 at 09:59:28AM -0800, Matt Roper wrote:
> When invalid cloning configurations were detected during modeset, we
> never copied the error code into the return value variable, leading us
> to return 0 (success) to userspace.
> 
> Testcase: igt/kms_setmode
> Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>

I guess this is a regression from 

commit 50f5275698df4490046cc5b4ed2018abb642a803
Author: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
Date:   Fri Nov 7 13:11:00 2014 -0800

    drm/i915: use compute_config in set_config v4

Is this the one we have a bugzilla for already? Jesse?
-Daniel

> ---
>  drivers/gpu/drm/i915/intel_display.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index dda97b3..cf57b74 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -11477,6 +11477,7 @@ static int intel_crtc_set_config(struct drm_mode_set *set)
>  						   &prepare_pipes,
>  						   &disable_pipes);
>  	if (IS_ERR(pipe_config)) {
> +		ret = PTR_ERR(pipe_config);
>  		goto fail;
>  	} else if (pipe_config) {
>  		if (to_intel_crtc(set->crtc)->new_config->has_audio !=
> -- 
> 1.8.5.1
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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