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| author | Mark Brown <broonie@linaro.org> | 2013-08-30 11:04:14 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-08-30 11:04:14 +0100 |
| commit | c79c33af8f867e57ad4b84102db7901aee67485a (patch) | |
| tree | aa619736b89a143cfc48f9647493c929523a928a /drivers/gpu/drm/i915/intel_ringbuffer.c | |
| parent | 1c9a341bbdc14051a4d8c74ea67269786c7d3736 (diff) | |
| parent | 824ef826f3c4d83d1925a5e351313bfd3e5ca6cb (diff) | |
Merge remote-tracking branch 'asoc/topic/core' into tmp
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 664118d8c1d6..079ef0129e74 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -968,6 +968,18 @@ void intel_ring_setup_status_page(struct intel_ring_buffer *ring) I915_WRITE(mmio, (u32)ring->status_page.gfx_addr); POSTING_READ(mmio); + + /* Flush the TLB for this page */ + if (INTEL_INFO(dev)->gen >= 6) { + u32 reg = RING_INSTPM(ring->mmio_base); + I915_WRITE(reg, + _MASKED_BIT_ENABLE(INSTPM_TLB_INVALIDATE | + INSTPM_SYNC_FLUSH)); + if (wait_for((I915_READ(reg) & INSTPM_SYNC_FLUSH) == 0, + 1000)) + DRM_ERROR("%s: wait for SyncFlush to complete for TLB invalidation timed out\n", + ring->name); + } } static int |