drm/i915: Invalidate TLB caches on SNB BLT/BSD rings
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 6218fa9..445f27e 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1059,22 +1059,25 @@
}
static int gen6_ring_flush(struct intel_ring_buffer *ring,
- u32 invalidate_domains,
- u32 flush_domains)
+ u32 invalidate, u32 flush)
{
+ uint32_t cmd;
int ret;
- if ((flush_domains & I915_GEM_DOMAIN_RENDER) == 0)
+ if (((invalidate | flush) & I915_GEM_GPU_DOMAINS) == 0)
return 0;
ret = intel_ring_begin(ring, 4);
if (ret)
return ret;
- intel_ring_emit(ring, MI_FLUSH_DW);
+ cmd = MI_FLUSH_DW;
+ if (invalidate & I915_GEM_GPU_DOMAINS)
+ cmd |= MI_INVALIDATE_TLB | MI_INVALIDATE_BSD;
+ intel_ring_emit(ring, cmd);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, 0);
- intel_ring_emit(ring, 0);
+ intel_ring_emit(ring, MI_NOOP);
intel_ring_advance(ring);
return 0;
}
@@ -1230,22 +1233,25 @@
}
static int blt_ring_flush(struct intel_ring_buffer *ring,
- u32 invalidate_domains,
- u32 flush_domains)
+ u32 invalidate, u32 flush)
{
+ uint32_t cmd;
int ret;
- if ((flush_domains & I915_GEM_DOMAIN_RENDER) == 0)
+ if (((invalidate | flush) & I915_GEM_DOMAIN_RENDER) == 0)
return 0;
ret = blt_ring_begin(ring, 4);
if (ret)
return ret;
- intel_ring_emit(ring, MI_FLUSH_DW);
+ cmd = MI_FLUSH_DW;
+ if (invalidate & I915_GEM_DOMAIN_RENDER)
+ cmd |= MI_INVALIDATE_TLB;
+ intel_ring_emit(ring, cmd);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, 0);
- intel_ring_emit(ring, 0);
+ intel_ring_emit(ring, MI_NOOP);
intel_ring_advance(ring);
return 0;
}