Merge branch 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6

* 'drm-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (204 commits)
  agp: intel-agp: do not use PCI resources before pci_enable_device()
  agp: efficeon-agp: do not use PCI resources before pci_enable_device()
  drm: kill BKL from common code
  drm/kms: Simplify setup of the initial I2C encoder config.
  drm,io-mapping: Specify slot to use for atomic mappings
  drm/radeon/kms: only expose underscan on avivo chips
  drm/radeon: add new pci ids
  drm: Cleanup after failing to create master->unique and dev->name
  drm/radeon: tone down overchatty acpi debug messages.
  drm/radeon/kms: enable underscan option for digital connectors
  drm/radeon/kms: fix calculation of h/v scaling factors
  drm/radeon/kms/igp: sideport is AMD only
  drm/radeon/kms: handle the case of no active displays properly in the bandwidth code
  drm: move ttm global code to core drm
  drm/i915: Clear the Ironlake dithering flags when the pipe doesn't want it.
  drm/radeon/kms: make sure HPD is set to NONE on analog-only connectors
  drm/radeon/kms: make sure rio_mem is valid before unmapping it
  drm/agp/i915: trim stolen space to 32M
  drm/i915: Unset cursor if out-of-bounds upon mode change (v4)
  drm/i915: Unreference object not handle on creation
  ...

1 files changed, 35 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nv50_gpio.c b/drivers/gpu/drm/nouveau/nv50_gpio.c
index bb47ad737267..b2fab2bf3d61 100644
--- a/drivers/gpu/drm/nouveau/nv50_gpio.c
+++ b/drivers/gpu/drm/nouveau/nv50_gpio.c
@@ -74,3 +74,38 @@ nv50_gpio_set(struct drm_device *dev, enum dcb_gpio_tag tag, int state)
 	nv_wr32(dev, r, v);
 	return 0;
 }
+
+void
+nv50_gpio_irq_enable(struct drm_device *dev, enum dcb_gpio_tag tag, bool on)
+{
+	struct dcb_gpio_entry *gpio;
+	u32 reg, mask;
+
+	gpio = nouveau_bios_gpio_entry(dev, tag);
+	if (!gpio) {
+		NV_ERROR(dev, "gpio tag 0x%02x not found\n", tag);
+		return;
+	}
+
+	reg  = gpio->line < 16 ? 0xe050 : 0xe070;
+	mask = 0x00010001 << (gpio->line & 0xf);
+
+	nv_wr32(dev, reg + 4, mask);
+	nv_mask(dev, reg + 0, mask, on ? mask : 0);
+}
+
+int
+nv50_gpio_init(struct drm_device *dev)
+{
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+	/* disable, and ack any pending gpio interrupts */
+	nv_wr32(dev, 0xe050, 0x00000000);
+	nv_wr32(dev, 0xe054, 0xffffffff);
+	if (dev_priv->chipset >= 0x90) {
+		nv_wr32(dev, 0xe070, 0x00000000);
+		nv_wr32(dev, 0xe074, 0xffffffff);
+	}
+
+	return 0;
+}