nb/intel/sandybridge/gma: Set ASLS on S3 resume

Use new GMA driver method to set ASLS on S3 resume, too.
Move gma_enable_swsci to init method as it should always be run.

Change-Id: Ic7132cd1848a75043d10f32ac5d0e6b45d2e0fe4
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/20284
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/northbridge/intel/sandybridge/gma.c b/src/northbridge/intel/sandybridge/gma.c
index 9de3895..6d1044c 100644
--- a/src/northbridge/intel/sandybridge/gma.c
+++ b/src/northbridge/intel/sandybridge/gma.c
@@ -590,6 +590,25 @@
 	}
 }
 
+/* Enable SCI to ACPI _GPE._L06 */
+static void gma_enable_swsci(void)
+{
+	u16 reg16;
+
+	/* clear DMISCI status */
+	reg16 = inw(DEFAULT_PMBASE + TCO1_STS);
+	reg16 &= DMISCI_STS;
+	outw(DEFAULT_PMBASE + TCO1_STS, reg16);
+
+	/* clear acpi tco status */
+	outl(DEFAULT_PMBASE + GPE0_STS, TCOSCI_STS);
+
+	/* enable acpi tco scis */
+	reg16 = inw(DEFAULT_PMBASE + GPE0_EN);
+	reg16 |= TCOSCI_EN;
+	outw(DEFAULT_PMBASE + GPE0_EN, reg16);
+}
+
 static void gma_func0_init(struct device *dev)
 {
 	u32 reg32;
@@ -632,6 +651,9 @@
 		if (lightup_ok)
 			gfx_set_init_done(1);
 	}
+
+	gma_enable_swsci();
+	intel_gma_restore_opregion();
 }
 
 static void gma_set_subsystem(device_t dev, unsigned vendor, unsigned device)
@@ -666,25 +688,6 @@
 	drivers_intel_gma_displays_ssdt_generate(gfx);
 }
 
-/* Enable SCI to ACPI _GPE._L06 */
-static void gma_enable_swsci(void)
-{
-	u16 reg16;
-
-	/* clear DMISCI status */
-	reg16 = inw(DEFAULT_PMBASE + TCO1_STS);
-	reg16 &= DMISCI_STS;
-	outw(DEFAULT_PMBASE + TCO1_STS, reg16);
-
-	/* clear acpi tco status */
-	outl(DEFAULT_PMBASE + GPE0_STS, TCOSCI_STS);
-
-	/* enable acpi tco scis */
-	reg16 = inw(DEFAULT_PMBASE + GPE0_EN);
-	reg16 |= TCOSCI_EN;
-	outw(DEFAULT_PMBASE + GPE0_EN, reg16);
-}
-
 static unsigned long
 gma_write_acpi_tables(struct device *const dev,
 		      unsigned long current,
@@ -707,8 +710,6 @@
 		printk(BIOS_ERR, "Error: GNVS table not found.\n");
 	}
 
-	gma_enable_swsci();
-
 	current = acpi_align_current(current);
 	return current;
 }