drm/i915: More s/IS_IRONLAKE/HAS_PCH_SPLIT for Sandybridge.

I think this is pretty much correct.  Not really tested.
Signed-off-by: Eric Anholt <eric@anholt.net>

drivers/gpu/drm/i915/i915_irq.c

@@ -166,7 +166,7 @@ void intel_enable_asle (struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		ironlake_enable_display_irq(dev_priv, DE_GSE);
 	else
 		i915_enable_pipestat(dev_priv, 1,

drivers/gpu/drm/i915/intel_display.c

@@ -886,7 +886,7 @@ intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
 	if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
 		int lvds_reg;
 
-		if (IS_IRONLAKE(dev))
+		if (HAS_PCH_SPLIT(dev))
 			lvds_reg = PCH_LVDS;
 		else
 			lvds_reg = LVDS;
@@ -3320,12 +3320,12 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		/* set the dithering flag */
 		if (IS_I965G(dev)) {
 			if (dev_priv->lvds_dither) {
-				if (IS_IRONLAKE(dev))
+				if (HAS_PCH_SPLIT(dev))
 					pipeconf |= PIPE_ENABLE_DITHER;
 				else
 					lvds |= LVDS_ENABLE_DITHER;
 			} else {
-				if (IS_IRONLAKE(dev))
+				if (HAS_PCH_SPLIT(dev))
 					pipeconf &= ~PIPE_ENABLE_DITHER;
 				else
 					lvds &= ~LVDS_ENABLE_DITHER;

drivers/gpu/drm/i915/intel_dp.c

@@ -231,7 +231,7 @@ intel_dp_aux_ch(struct intel_output *intel_output,
 	 */
 	if (IS_eDP(intel_output))
 		aux_clock_divider = 225; /* eDP input clock at 450Mhz */
-	else if (IS_IRONLAKE(dev))
+	else if (HAS_PCH_SPLIT(dev))
 		aux_clock_divider = 62; /* IRL input clock fixed at 125Mhz */
 	else
 		aux_clock_divider = intel_hrawclk(dev) / 2;
@@ -584,7 +584,7 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
 	intel_dp_compute_m_n(3, lane_count,
 			     mode->clock, adjusted_mode->clock, &m_n);
 
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		if (intel_crtc->pipe == 0) {
 			I915_WRITE(TRANSA_DATA_M1,
 				   ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
@@ -1176,7 +1176,7 @@ intel_dp_detect(struct drm_connector *connector)
 
 	dp_priv->has_audio = false;
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		return ironlake_dp_detect(connector);
 
 	temp = I915_READ(PORT_HOTPLUG_EN);

drivers/gpu/drm/i915/intel_hdmi.c

@@ -82,7 +82,7 @@ static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode)
 	/* HW workaround, need to toggle enable bit off and on for 12bpc, but
 	 * we do this anyway which shows more stable in testing.
 	 */
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		I915_WRITE(hdmi_priv->sdvox_reg, temp & ~SDVO_ENABLE);
 		POSTING_READ(hdmi_priv->sdvox_reg);
 	}
@@ -99,7 +99,7 @@ static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode)
 	/* HW workaround, need to write this twice for issue that may result
 	 * in first write getting masked.
 	 */
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		I915_WRITE(hdmi_priv->sdvox_reg, temp);
 		POSTING_READ(hdmi_priv->sdvox_reg);
 	}

drivers/gpu/drm/i915/intel_i2c.c

@@ -128,7 +128,7 @@ intel_i2c_reset_gmbus(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		I915_WRITE(PCH_GMBUS0, 0);
 	} else {
 		I915_WRITE(GMBUS0, 0);

drivers/gpu/drm/i915/intel_lvds.c

@@ -56,7 +56,7 @@ static void intel_lvds_set_backlight(struct drm_device *dev, int level)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 blc_pwm_ctl, reg;
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		reg = BLC_PWM_CPU_CTL;
 	else
 		reg = BLC_PWM_CTL;
@@ -74,7 +74,7 @@ static u32 intel_lvds_get_max_backlight(struct drm_device *dev)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 reg;
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		reg = BLC_PWM_PCH_CTL2;
 	else
 		reg = BLC_PWM_CTL;
@@ -91,7 +91,7 @@ static void intel_lvds_set_power(struct drm_device *dev, bool on)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 pp_status, ctl_reg, status_reg;
 
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		ctl_reg = PCH_PP_CONTROL;
 		status_reg = PCH_PP_STATUS;
 	} else {
@@ -137,7 +137,7 @@ static void intel_lvds_save(struct drm_connector *connector)
 	u32 pp_on_reg, pp_off_reg, pp_ctl_reg, pp_div_reg;
 	u32 pwm_ctl_reg;
 
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		pp_on_reg = PCH_PP_ON_DELAYS;
 		pp_off_reg = PCH_PP_OFF_DELAYS;
 		pp_ctl_reg = PCH_PP_CONTROL;
@@ -174,7 +174,7 @@ static void intel_lvds_restore(struct drm_connector *connector)
 	u32 pp_on_reg, pp_off_reg, pp_ctl_reg, pp_div_reg;
 	u32 pwm_ctl_reg;
 
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		pp_on_reg = PCH_PP_ON_DELAYS;
 		pp_off_reg = PCH_PP_OFF_DELAYS;
 		pp_ctl_reg = PCH_PP_CONTROL;
@@ -297,7 +297,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
 	}
 
 	/* full screen scale for now */
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		goto out;
 
 	/* 965+ wants fuzzy fitting */
@@ -327,7 +327,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
 	 * to register description and PRM.
 	 * Change the value here to see the borders for debugging
 	 */
-	if (!IS_IRONLAKE(dev)) {
+	if (!HAS_PCH_SPLIT(dev)) {
 		I915_WRITE(BCLRPAT_A, 0);
 		I915_WRITE(BCLRPAT_B, 0);
 	}
@@ -548,7 +548,7 @@ static void intel_lvds_prepare(struct drm_encoder *encoder)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 reg;
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		reg = BLC_PWM_CPU_CTL;
 	else
 		reg = BLC_PWM_CTL;
@@ -587,7 +587,7 @@ static void intel_lvds_mode_set(struct drm_encoder *encoder,
 	 * settings.
 	 */
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		return;
 
 	/*
@@ -1027,7 +1027,7 @@ void intel_lvds_init(struct drm_device *dev)
 		return;
 	}
 
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		if ((I915_READ(PCH_LVDS) & LVDS_DETECTED) == 0)
 			return;
 		if (dev_priv->edp_support) {
@@ -1130,7 +1130,7 @@ void intel_lvds_init(struct drm_device *dev)
 	 */
 
 	/* Ironlake: FIXME if still fail, not try pipe mode now */
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		goto failed;
 
 	lvds = I915_READ(LVDS);
@@ -1151,7 +1151,7 @@ void intel_lvds_init(struct drm_device *dev)
 		goto failed;
 
 out:
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		u32 pwm;
 		/* make sure PWM is enabled */
 		pwm = I915_READ(BLC_PWM_CPU_CTL2);