drm/i915: INTEL_INFO->gen supercedes i8xx, i9xx, i965g

Avoid confusion between i965g meaning broadwater and the gen4+ chipset
families.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index ba058e6..7cd2d95 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1162,7 +1162,7 @@
 		return;
 
 	/* Set the SDVO control regs. */
-	if (IS_I965G(dev)) {
+	if (INTEL_INFO(dev)->gen >= 4) {
 		sdvox = SDVO_BORDER_ENABLE;
 		if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
 			sdvox |= SDVO_VSYNC_ACTIVE_HIGH;
@@ -1185,7 +1185,7 @@
 	if (intel_sdvo->is_hdmi)
 		sdvox |= SDVO_AUDIO_ENABLE;
 
-	if (IS_I965G(dev)) {
+	if (INTEL_INFO(dev)->gen >= 4) {
 		/* done in crtc_mode_set as the dpll_md reg must be written early */
 	} else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) {
 		/* done in crtc_mode_set as it lives inside the dpll register */