Re: [PATCH] drm/i915: reset drm state backpointer in crtc_state

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On Mon, 06 Apr 2015, Chandra Konduru <chandra.konduru@xxxxxxxxx> wrote:
> At end of intel_crtc_set_config, reset crtc_state's
> drm_state back pointer to null.

This does not tell me anything that reading the patch already
didn't. Please explain *why* this is needed in the commit message. What
breaks without it? If this fixes a regression, please indicate which
commit regressed.

BR,
Jani.

>
> Signed-off-by: Chandra Konduru <chandra.konduru@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/intel_display.c |    4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index c84926b..f9c2e4d 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -12451,8 +12451,10 @@ fail:
>  	}
>  
>  out_config:
> -	if (state)
> +	if (state) {
>  		drm_atomic_state_free(state);
> +		to_intel_crtc(set->crtc)->config->base.state = NULL;
> +	}
>  
>  	intel_set_config_free(config);
>  	return ret;
> -- 
> 1.7.9.5
>
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Jani Nikula, Intel Open Source Technology Center
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