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| author | Takashi Iwai <tiwai@suse.de> | 2013-08-30 12:35:49 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-08-30 12:35:49 +0200 |
| commit | 3fd8a8041b3775840c8f85b6338b61beb5057160 (patch) | |
| tree | 2eb4fd3eae3168ae2837c4f98188fd25f62d5939 /drivers/gpu/drm/i915/intel_ringbuffer.c | |
| parent | 1c9a341bbdc14051a4d8c74ea67269786c7d3736 (diff) | |
| parent | 6d52825fd4e78b251f4844f6662a3bc4e31671c7 (diff) | |
Merge tag 'asoc-v3.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v3.12
A few more updates for v3.12, mostly small cleanups plus the addition of
the DT bindings for kirkwood and the new i.MX S/PDIF driver.
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 |