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-rw-r--r--drivers/gpu/drm/i915/i915_gem_context.c2
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c7
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.h4
3 files changed, 1 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index edbad2787d6..8827892a099 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -596,7 +596,7 @@ mi_set_context(struct intel_ring_buffer *ring,
* explicitly, so we rely on the value at ring init, stored in
* itlb_before_ctx_switch.
*/
- if (IS_GEN6(ring->dev) && ring->itlb_before_ctx_switch) {
+ if (IS_GEN6(ring->dev)) {
ret = ring->flush(ring, I915_GEM_GPU_DOMAINS, 0);
if (ret)
return ret;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 785f246d28a..fb3eeb0705c 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -612,13 +612,6 @@ static int init_render_ring(struct intel_ring_buffer *ring)
*/
I915_WRITE(CACHE_MODE_0,
_MASKED_BIT_DISABLE(CM0_STC_EVICT_DISABLE_LRA_SNB));
-
- /* This is not explicitly set for GEN6, so read the register.
- * see intel_ring_mi_set_context() for why we care.
- * TODO: consider explicitly setting the bit for GEN5
- */
- ring->itlb_before_ctx_switch =
- !!(I915_READ(GFX_MODE) & GFX_TLB_INVALIDATE_EXPLICIT);
}
if (INTEL_INFO(dev)->gen >= 6)
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 270a6a97343..9e913633eb6 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -152,10 +152,6 @@ struct intel_ring_buffer {
wait_queue_head_t irq_queue;
- /**
- * Do an explicit TLB flush before MI_SET_CONTEXT
- */
- bool itlb_before_ctx_switch;
struct i915_hw_context *default_context;
struct i915_hw_context *last_context;