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| author | Takashi Iwai <tiwai@suse.de> | 2012-05-21 12:45:18 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-05-21 12:45:18 +0200 |
| commit | 775b2449bdba7c97dda9f274c92bf7a83dac4142 (patch) | |
| tree | b4bee45c13762ea93642b1e38c62de454e51cf5d /drivers/gpu/drm/i915/intel_ringbuffer.c | |
| parent | 21363cf0ca5c9c62e34e37422fb1d13d70d3de3c (diff) | |
| parent | 5fb86e5d4a951ddb0474cdfd809380c8e2a8d101 (diff) | |
| download | olio-linux-3.10-775b2449bdba7c97dda9f274c92bf7a83dac4142.tar.xz olio-linux-3.10-775b2449bdba7c97dda9f274c92bf7a83dac4142.zip | |
Merge branch 'topic/asoc' into for-linus
Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index fc66af6a944..62892a826ed 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -398,6 +398,17 @@ static int init_render_ring(struct intel_ring_buffer *ring) return ret; } + + if (IS_GEN6(dev)) { + /* 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); + } + if (INTEL_INFO(dev)->gen >= 6) { I915_WRITE(INSTPM, INSTPM_FORCE_ORDERING << 16 | INSTPM_FORCE_ORDERING); @@ -626,7 +637,7 @@ gen6_ring_get_seqno(struct intel_ring_buffer *ring) /* Workaround to force correct ordering between irq and seqno writes on * ivb (and maybe also on snb) by reading from a CS register (like * ACTHD) before reading the status page. */ - if (IS_GEN7(dev)) + if (IS_GEN6(dev) || IS_GEN7(dev)) intel_ring_get_active_head(ring); return intel_read_status_page(ring, I915_GEM_HWS_INDEX); } @@ -1038,7 +1049,7 @@ int intel_init_ring_buffer(struct drm_device *dev, * of the buffer. */ ring->effective_size = ring->size; - if (IS_I830(ring->dev)) + if (IS_I830(ring->dev) || IS_845G(ring->dev)) ring->effective_size -= 128; return 0; |