Re: [Intel-gfx] [PATCH 2/6] drm/i915: Print out rejected fixed modes

[Jani Nikula <jani.nikula@linux.intel.com>]

On Fri, 27 May 2022, Ville Syrjala <ville.syrjala@linux.intel.com> wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
>
> To help with debugging DRRS/VRR panel init let's dump out all
> the fixed modes we rejected for whatever reason.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

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

> ---
>  drivers/gpu/drm/i915/display/intel_panel.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c
> index d055e4118558..f55e4eafd74e 100644
> --- a/drivers/gpu/drm/i915/display/intel_panel.c
> +++ b/drivers/gpu/drm/i915/display/intel_panel.c
> @@ -217,6 +217,10 @@ static void intel_panel_destroy_probed_modes(struct intel_connector *connector)
>  	struct drm_display_mode *mode, *next;
>  
>  	list_for_each_entry_safe(mode, next, &connector->base.probed_modes, head) {
> +		drm_dbg_kms(&i915->drm,
> +			    "[CONNECTOR:%d:%s] not using EDID mode: " DRM_MODE_FMT "\n",
> +			    connector->base.base.id, connector->base.name,
> +			    DRM_MODE_ARG(mode));
>  		list_del(&mode->head);
>  		drm_mode_destroy(&i915->drm, mode);
>  	}

-- 
Jani Nikula, Intel Open Source Graphics Center