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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-05-07 09:03:39 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-05-07 09:03:39 -0700 |
| commit | 61906313bd41cde2f9aaa14e461e6108d3e71aaa (patch) | |
| tree | c84805a9c67e3baf9e5acf13a3f55f7058a9131f /drivers/gpu/drm/i915/intel_ringbuffer.c | |
| parent | 3aa2ae74ba630ec9b98736d64aea8e4cb490861d (diff) | |
| parent | d48b97b403d23f6df0b990cee652bdf9a52337a3 (diff) | |
| download | linux-stable-61906313bd41cde2f9aaa14e461e6108d3e71aaa.tar.gz linux-stable-61906313bd41cde2f9aaa14e461e6108d3e71aaa.tar.bz2 linux-stable-61906313bd41cde2f9aaa14e461e6108d3e71aaa.zip | |
Merge 3.4-rc6 into usb-next
This resolves the conflict with:
drivers/usb/host/ehci-tegra.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index f75806e5bff5..80fce51e2f43 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -401,6 +401,14 @@ static int init_render_ring(struct intel_ring_buffer *ring) if (INTEL_INFO(dev)->gen >= 6) { I915_WRITE(INSTPM, INSTPM_FORCE_ORDERING << 16 | INSTPM_FORCE_ORDERING); + + /* From the Sandybridge PRM, volume 1 part 3, page 24: + * "If this bit is set, STCunit will have LRA as replacement + * policy. [...] This bit must be reset. LRA replacement + * policy is not supported." + */ + I915_WRITE(CACHE_MODE_0, + CM0_STC_EVICT_DISABLE_LRA_SNB << CM0_MASK_SHIFT); } return ret; |