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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-13 09:34:07 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-13 09:34:07 +0100 |
| commit | e9c4ffb11f0b19005b5b9dc8481687a3637e5887 (patch) | |
| tree | 7007f2ff846b9b057c5cd7c25e8b82e49f9b4b63 /drivers/gpu/drm/i915/i915_irq.c | |
| parent | 4bcf349a0f90d1e69eb35c6df0fa285c886c1cd6 (diff) | |
| parent | 071a0bc2ceace31266836801510879407a3701fa (diff) | |
Merge branch 'linus' into perfcounters/core
Conflicts:
arch/x86/kernel/acpi/boot.c
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 13 |
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 6290219de6c..548ff2c6643 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; |