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authorDave Airlie <airlied@redhat.com>2011-01-05 08:31:08 +1000
committerDave Airlie <airlied@redhat.com>2011-01-05 08:31:08 +1000
commit4f125010d2d02c481a0fdf5aee23a9f937bc5de1 (patch)
treedcdcd2ba1d0bb980b57ced9a1b2b5b17c84c8f57 /drivers/gpu/drm/i915/i915_dma.c
parent204663c48711ddceee09df46269cd34d49d1f7be (diff)
parent989d873fc5b6a96695b97738dea8d9f02a60f8ab (diff)
Merge branch 'master' of /home/airlied/kernel/linux-2.6 into drm-core-next
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 18746e6cb129..8cb7f93732c2 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -34,6 +34,7 @@
#include "i915_drm.h"
#include "i915_drv.h"
#include "i915_trace.h"
+#include "../../../platform/x86/intel_ips.h"
#include <linux/pci.h>
#include <linux/vgaarb.h>
#include <linux/acpi.h>
@@ -1834,6 +1835,26 @@ out_unlock:
EXPORT_SYMBOL_GPL(i915_gpu_turbo_disable);
/**
+ * Tells the intel_ips driver that the i915 driver is now loaded, if
+ * IPS got loaded first.
+ *
+ * This awkward dance is so that neither module has to depend on the
+ * other in order for IPS to do the appropriate communication of
+ * GPU turbo limits to i915.
+ */
+static void
+ips_ping_for_i915_load(void)
+{
+ void (*link)(void);
+
+ link = symbol_get(ips_link_to_i915_driver);
+ if (link) {
+ link();
+ symbol_put(ips_link_to_i915_driver);
+ }
+}
+
+/**
* i915_driver_load - setup chip and create an initial config
* @dev: DRM device
* @flags: startup flags
@@ -2019,6 +2040,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
dev_priv->mchdev_lock = &mchdev_lock;
spin_unlock(&mchdev_lock);
+ ips_ping_for_i915_load();
+
return 0;
out_gem_unload: