From 8ee1c3db9075cb3211352e737e0feb98fd733b20 Mon Sep 17 00:00:00 2001 From: Matthew Garrett Date: Tue, 5 Aug 2008 19:37:25 +0100 Subject: Add Intel ACPI IGD OpRegion support This adds the support necessary for allowing ACPI backlight control to work on some newer Intel-based graphics systems. Tested on Thinkpad T61 and HP 2510p hardware. Signed-off-by: Matthew Garrett Signed-off-by: Dave Airlie --- drivers/gpu/drm/i915/i915_dma.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/gpu/drm/i915/i915_dma.c') diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index f1b5aa92fa8..29115450ee4 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -810,6 +810,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) if (!IS_I945G(dev) && !IS_I945GM(dev)) pci_enable_msi(dev->pdev); + intel_opregion_init(dev); + spin_lock_init(&dev_priv->user_irq_lock); return ret; @@ -827,6 +829,8 @@ int i915_driver_unload(struct drm_device *dev) if (dev_priv->mmio_map) drm_rmmap(dev, dev_priv->mmio_map); + intel_opregion_free(dev); + drm_free(dev->dev_private, sizeof(drm_i915_private_t), DRM_MEM_DRIVER); -- cgit v1.2.3