drm/i915: Rename primary_disabled to primary_enabled

Let's try to avoid these confusing negated booleans.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_display.c

@@ -1840,9 +1840,9 @@ static void intel_enable_primary_plane(struct drm_i915_private *dev_priv,
 	/* If the pipe isn't enabled, we can't pump pixels and may hang */
 	assert_pipe_enabled(dev_priv, pipe);
 
-	WARN(!intel_crtc->primary_disabled, "Primary plane already enabled\n");
+	WARN(intel_crtc->primary_enabled, "Primary plane already enabled\n");
 
-	intel_crtc->primary_disabled = false;
+	intel_crtc->primary_enabled = true;
 
 	reg = DSPCNTR(plane);
 	val = I915_READ(reg);
@@ -1870,9 +1870,9 @@ static void intel_disable_primary_plane(struct drm_i915_private *dev_priv,
 	int reg;
 	u32 val;
 
-	WARN(intel_crtc->primary_disabled, "Primary plane already disabled\n");
+	WARN(!intel_crtc->primary_enabled, "Primary plane already disabled\n");
 
-	intel_crtc->primary_disabled = true;
+	intel_crtc->primary_enabled = false;
 
 	reg = DSPCNTR(plane);
 	val = I915_READ(reg);
@@ -10706,7 +10706,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
 								 &crtc->config);
 
 		crtc->base.enabled = crtc->active;
-		crtc->primary_disabled = !crtc->active;
+		crtc->primary_enabled = crtc->active;
 
 		DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n",
 			      crtc->base.base.id,

drivers/gpu/drm/i915/intel_drv.h

@@ -321,7 +321,7 @@ struct intel_crtc {
 	 */
 	bool active;
 	bool eld_vld;
-	bool primary_disabled; /* is the crtc obscured by a plane? */
+	bool primary_enabled; /* is the primary plane (partially) visible? */
 	bool lowfreq_avail;
 	struct intel_overlay *overlay;
 	struct intel_unpin_work *unpin_work;

drivers/gpu/drm/i915/intel_pm.c

@@ -475,7 +475,7 @@ void intel_update_fbc(struct drm_device *dev)
 	 */
 	list_for_each_entry(tmp_crtc, &dev->mode_config.crtc_list, head) {
 		if (intel_crtc_active(tmp_crtc) &&
-		    !to_intel_crtc(tmp_crtc)->primary_disabled) {
+		    to_intel_crtc(tmp_crtc)->primary_enabled) {
 			if (crtc) {
 				if (set_no_fbc_reason(dev_priv, FBC_MULTIPLE_PIPES))
 					DRM_DEBUG_KMS("more than one pipe active, disabling compression\n");

drivers/gpu/drm/i915/intel_sprite.c

@@ -521,10 +521,10 @@ intel_enable_primary(struct drm_crtc *crtc)
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int reg = DSPCNTR(intel_crtc->plane);
 
-	if (!intel_crtc->primary_disabled)
+	if (intel_crtc->primary_enabled)
 		return;
 
-	intel_crtc->primary_disabled = false;
+	intel_crtc->primary_enabled = true;
 
 	I915_WRITE(reg, I915_READ(reg) | DISPLAY_PLANE_ENABLE);
 	intel_flush_primary_plane(dev_priv, intel_crtc->plane);
@@ -553,10 +553,10 @@ intel_disable_primary(struct drm_crtc *crtc)
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int reg = DSPCNTR(intel_crtc->plane);
 
-	if (intel_crtc->primary_disabled)
+	if (!intel_crtc->primary_enabled)
 		return;
 
-	intel_crtc->primary_disabled = true;
+	intel_crtc->primary_enabled = false;
 
 	mutex_lock(&dev->struct_mutex);
 	if (dev_priv->fbc.plane == intel_crtc->plane)