drm/i915/suspend: replace I915_READ()/WRITE() with intel_de_read()/write()

Another straggler with I915_READ() and I915_WRITE() uses gone.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201130111601.2817-6-jani.nikula@intel.com

drivers/gpu/drm/i915/i915_suspend.c

@@ -24,6 +24,7 @@
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
+#include "display/intel_de.h"
 #include "display/intel_fbc.h"
 #include "display/intel_gmbus.h"
 #include "display/intel_vga.h"
@@ -39,21 +40,21 @@ static void intel_save_swf(struct drm_i915_private *dev_priv)
 	/* Scratch space */
 	if (IS_GEN(dev_priv, 2) && IS_MOBILE(dev_priv)) {
 		for (i = 0; i < 7; i++) {
-			dev_priv->regfile.saveSWF0[i] = I915_READ(SWF0(i));
-			dev_priv->regfile.saveSWF1[i] = I915_READ(SWF1(i));
+			dev_priv->regfile.saveSWF0[i] = intel_de_read(dev_priv, SWF0(i));
+			dev_priv->regfile.saveSWF1[i] = intel_de_read(dev_priv, SWF1(i));
 		}
 		for (i = 0; i < 3; i++)
-			dev_priv->regfile.saveSWF3[i] = I915_READ(SWF3(i));
+			dev_priv->regfile.saveSWF3[i] = intel_de_read(dev_priv, SWF3(i));
 	} else if (IS_GEN(dev_priv, 2)) {
 		for (i = 0; i < 7; i++)
-			dev_priv->regfile.saveSWF1[i] = I915_READ(SWF1(i));
+			dev_priv->regfile.saveSWF1[i] = intel_de_read(dev_priv, SWF1(i));
 	} else if (HAS_GMCH(dev_priv)) {
 		for (i = 0; i < 16; i++) {
-			dev_priv->regfile.saveSWF0[i] = I915_READ(SWF0(i));
-			dev_priv->regfile.saveSWF1[i] = I915_READ(SWF1(i));
+			dev_priv->regfile.saveSWF0[i] = intel_de_read(dev_priv, SWF0(i));
+			dev_priv->regfile.saveSWF1[i] = intel_de_read(dev_priv, SWF1(i));
 		}
 		for (i = 0; i < 3; i++)
-			dev_priv->regfile.saveSWF3[i] = I915_READ(SWF3(i));
+			dev_priv->regfile.saveSWF3[i] = intel_de_read(dev_priv, SWF3(i));
 	}
 }
 
@@ -64,21 +65,21 @@ static void intel_restore_swf(struct drm_i915_private *dev_priv)
 	/* Scratch space */
 	if (IS_GEN(dev_priv, 2) && IS_MOBILE(dev_priv)) {
 		for (i = 0; i < 7; i++) {
-			I915_WRITE(SWF0(i), dev_priv->regfile.saveSWF0[i]);
-			I915_WRITE(SWF1(i), dev_priv->regfile.saveSWF1[i]);
+			intel_de_write(dev_priv, SWF0(i), dev_priv->regfile.saveSWF0[i]);
+			intel_de_write(dev_priv, SWF1(i), dev_priv->regfile.saveSWF1[i]);
 		}
 		for (i = 0; i < 3; i++)
-			I915_WRITE(SWF3(i), dev_priv->regfile.saveSWF3[i]);
+			intel_de_write(dev_priv, SWF3(i), dev_priv->regfile.saveSWF3[i]);
 	} else if (IS_GEN(dev_priv, 2)) {
 		for (i = 0; i < 7; i++)
-			I915_WRITE(SWF1(i), dev_priv->regfile.saveSWF1[i]);
+			intel_de_write(dev_priv, SWF1(i), dev_priv->regfile.saveSWF1[i]);
 	} else if (HAS_GMCH(dev_priv)) {
 		for (i = 0; i < 16; i++) {
-			I915_WRITE(SWF0(i), dev_priv->regfile.saveSWF0[i]);
-			I915_WRITE(SWF1(i), dev_priv->regfile.saveSWF1[i]);
+			intel_de_write(dev_priv, SWF0(i), dev_priv->regfile.saveSWF0[i]);
+			intel_de_write(dev_priv, SWF1(i), dev_priv->regfile.saveSWF1[i]);
 		}
 		for (i = 0; i < 3; i++)
-			I915_WRITE(SWF3(i), dev_priv->regfile.saveSWF3[i]);
+			intel_de_write(dev_priv, SWF3(i), dev_priv->regfile.saveSWF3[i]);
 	}
 }
 
@@ -88,7 +89,7 @@ void i915_save_display(struct drm_i915_private *dev_priv)
 
 	/* Display arbitration control */
 	if (INTEL_GEN(dev_priv) <= 4)
-		dev_priv->regfile.saveDSPARB = I915_READ(DSPARB);
+		dev_priv->regfile.saveDSPARB = intel_de_read(dev_priv, DSPARB);
 
 	if (IS_GEN(dev_priv, 4))
 		pci_read_config_word(pdev, GCDGMBUS,
@@ -109,7 +110,7 @@ void i915_restore_display(struct drm_i915_private *dev_priv)
 
 	/* Display arbitration */
 	if (INTEL_GEN(dev_priv) <= 4)
-		I915_WRITE(DSPARB, dev_priv->regfile.saveDSPARB);
+		intel_de_write(dev_priv, DSPARB, dev_priv->regfile.saveDSPARB);
 
 	/* only restore FBC info on the platform that supports FBC*/
 	intel_fbc_global_disable(dev_priv);