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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-05-06 16:50:24 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-05-07 10:37:56 +0200 |
| commit | 2e7a44814d802c8ba479164b8924070cd908d6b5 (patch) | |
| tree | 60e4debfcc8e4f5737b6e2e5ccc968bfe34b6a66 /drivers | |
| parent | 768b107e4b3be0acf6f58e914afe4f337c00932b (diff) | |
| download | linux-2e7a44814d802c8ba479164b8924070cd908d6b5.tar.gz linux-2e7a44814d802c8ba479164b8924070cd908d6b5.tar.bz2 linux-2e7a44814d802c8ba479164b8924070cd908d6b5.zip | |
drm/i915: Do no set Stencil Cache eviction LRA w/a on gen7+
I've flagged this while reviewing the first version and Ken Graunke
fixed it up in v2, but unfortunately Dave Airlie picked up the wrong
version.
Cc: Dave Airlie <airlied@redhat.com>
Cc: Kenneth Graunke <kenneth@whitecape.org>
Cc: stable@kernel.org
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 80fce51e2f43..62892a826ede 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -398,10 +398,8 @@ static int init_render_ring(struct intel_ring_buffer *ring) return ret; } - if (INTEL_INFO(dev)->gen >= 6) { - I915_WRITE(INSTPM, - INSTPM_FORCE_ORDERING << 16 | INSTPM_FORCE_ORDERING); + 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 @@ -411,6 +409,11 @@ static int init_render_ring(struct intel_ring_buffer *ring) 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); + } + return ret; } |