Re: [PATCH v2 02/16] drm/i915/hdmi: stop using connector->override_edid

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On Mon, Oct 24, 2022 at 03:33:30PM +0300, Jani Nikula wrote:
> The connector->override_edid flag is strictly for EDID override debugfs
> management, and drivers have no business using it.
> 
> The check for override_edid was added in commit 301906290553 ("drm/i915:
> Ignore TMDS clock limit for DP++ when EDID override is set") to
> facilitate mode list cross-checking against modes in override EDID when
> the connector in question isn't even connected. The dual mode detect
> fallback would do VBT based limiting in this case.
> 
> Instead of override EDID, check for connector forcing in the fallback.
> 
> v2: Simply use !connector->force (Ville)
> 
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>

Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

> ---
>  drivers/gpu/drm/i915/display/intel_hdmi.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index a332eaac86cd..02f8374ea51f 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -2374,10 +2374,7 @@ intel_hdmi_dp_dual_mode_detect(struct drm_connector *connector)
>  	 * if the port is a dual mode capable DP port.
>  	 */
>  	if (type == DRM_DP_DUAL_MODE_UNKNOWN) {
> -		/* An overridden EDID imply that we want this port for testing.
> -		 * Make sure not to set limits for that port.
> -		 */
> -		if (!connector->override_edid &&
> +		if (!connector->force &&
>  		    intel_bios_is_port_dp_dual_mode(dev_priv, port)) {
>  			drm_dbg_kms(&dev_priv->drm,
>  				    "Assuming DP dual mode adaptor presence based on VBT\n");
> -- 
> 2.34.1

-- 
Ville Syrjälä
Intel



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