summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/i915_irq.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2009-02-15 10:12:00 +0300
committerDavid S. Miller <davem@davemloft.net>2009-02-15 10:12:00 +0300
commit5e30589521518bff36fd2638b3c3d69679c50436 (patch)
tree6ac985658a06b0787e4354d0d16d380ea9b16a5a /drivers/gpu/drm/i915/i915_irq.c
parentac178ef0ae9eb44fd527d87aa9b6394e05f56e1f (diff)
parentd2f8d7ee1a9b4650b4e43325b321801264f7c37a (diff)
downloadlinux-5e30589521518bff36fd2638b3c3d69679c50436.tar.xz
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: drivers/net/wireless/iwlwifi/iwl-agn.c drivers/net/wireless/iwlwifi/iwl3945-base.c
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 6290219de6c8..548ff2c66431 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -174,6 +174,19 @@ u32 i915_get_vblank_counter(struct drm_device *dev, int pipe)
return count;
}
+u32 gm45_get_vblank_counter(struct drm_device *dev, int pipe)
+{
+ drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+ int reg = pipe ? PIPEB_FRMCOUNT_GM45 : PIPEA_FRMCOUNT_GM45;
+
+ if (!i915_pipe_enabled(dev, pipe)) {
+ DRM_ERROR("trying to get vblank count for disabled pipe %d\n", pipe);
+ return 0;
+ }
+
+ return I915_READ(reg);
+}
+
irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *) arg;