drm: Handle the DBLCLK flag in the common infoframe helper

Suggested-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: NDamien Lespiau <damien.lespiau@intel.com>
Acked-by: NDave Airlie <airlied@gmail.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/drm_edid.c

@@ -3102,6 +3102,9 @@ drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
 	if (err < 0)
 		return err;
 
+	if (mode->flags & DRM_MODE_FLAG_DBLCLK)
+		frame->pixel_repeat = 1;
+
 	frame->video_code = drm_match_cea_mode(mode);
 	if (!frame->video_code)
 		return 0;

drivers/gpu/drm/i915/intel_hdmi.c

@@ -364,9 +364,6 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder,
 		return;
 	}
 
-	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLCLK)
-		frame.avi.pixel_repeat = 1;
-
 	if (intel_hdmi->rgb_quant_range_selectable) {
 		if (intel_crtc->config.limited_color_range)
 			frame.avi.quantization_range =