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path: root/drivers/gpu/drm/i915/intel_ringbuffer.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c9
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)
398 return ret; 398 return ret;
399 } 399 }
400 400
401 if (INTEL_INFO(dev)->gen >= 6) {
402 I915_WRITE(INSTPM,
403 INSTPM_FORCE_ORDERING << 16 | INSTPM_FORCE_ORDERING);
404 401
402 if (IS_GEN6(dev)) {
405 /* From the Sandybridge PRM, volume 1 part 3, page 24: 403 /* From the Sandybridge PRM, volume 1 part 3, page 24:
406 * "If this bit is set, STCunit will have LRA as replacement 404 * "If this bit is set, STCunit will have LRA as replacement
407 * policy. [...] This bit must be reset. LRA replacement 405 * policy. [...] This bit must be reset. LRA replacement
@@ -411,6 +409,11 @@ static int init_render_ring(struct intel_ring_buffer *ring)
411 CM0_STC_EVICT_DISABLE_LRA_SNB << CM0_MASK_SHIFT); 409 CM0_STC_EVICT_DISABLE_LRA_SNB << CM0_MASK_SHIFT);
412 } 410 }
413 411
412 if (INTEL_INFO(dev)->gen >= 6) {
413 I915_WRITE(INSTPM,
414 INSTPM_FORCE_ORDERING << 16 | INSTPM_FORCE_ORDERING);
415 }
416
414 return ret; 417 return ret;
415} 418}
416 419