gma500: psb_intel_crtc: Drop crtc_enable flag.

This is set when setting DPMS on and off, but it isn't checked anywhere,
so just remove it.
Signed-off-by: Forest Bond <forest.bond@rapidrollout.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/gma500/cdv_intel_display.c

@@ -930,7 +930,6 @@ static void cdv_intel_crtc_dpms(struct drm_crtc *crtc, int mode)
 		/* Give the overlay scaler a chance to enable
 		 * if it's on this pipe */
 		/* psb_intel_crtc_dpms_video(crtc, true); TODO */
-		psb_intel_crtc->crtc_enable = true;
 		break;
 	case DRM_MODE_DPMS_OFF:
 		if (!psb_intel_crtc->active)
@@ -981,7 +980,6 @@ static void cdv_intel_crtc_dpms(struct drm_crtc *crtc, int mode)
 
 		/* Wait for the clocks to turn off. */
 		udelay(150);
-		psb_intel_crtc->crtc_enable = false;
 		break;
 	}
 	cdv_intel_update_watermark(dev, crtc);

drivers/gpu/drm/gma500/psb_intel_drv.h

@@ -193,7 +193,6 @@ struct psb_intel_crtc {
 	u32 mode_flags;
 
 	bool active;
-	bool crtc_enable;
 
 	/* Saved Crtc HW states */
 	struct psb_intel_crtc_state *crtc_state;