From: Akash Goel <akash.goel@xxxxxxxxx> This patch Enables the bit for TLB invalidate in GFX Mode register. According to bspec, When enabled this bit limits the invalidation of the TLB only to batch buffer boundaries, to pipe_control commands which have the TLB invalidation bit set and sync flushes. If disabled, the TLB caches are flushed for every full flush of the pipeline. Signed-off-by: Akash Goel <akash.goel@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_ringbuffer.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 7da5774..320637b 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -586,10 +586,16 @@ static int init_render_ring(struct intel_ring_buffer *ring) I915_WRITE(GFX_MODE, _MASKED_BIT_ENABLE(GFX_TLB_INVALIDATE_ALWAYS)); - if (IS_GEN7(dev)) - I915_WRITE(GFX_MODE_GEN7, - _MASKED_BIT_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) | - _MASKED_BIT_ENABLE(GFX_REPLAY_MODE)); + if (IS_GEN7(dev)) { + if (IS_VALLEYVIEW(dev)) { + /* FIXME, should also apply to ivb */ + I915_WRITE(GFX_MODE_GEN7, + _MASKED_BIT_ENABLE(GFX_REPLAY_MODE)); + } else + I915_WRITE(GFX_MODE_GEN7, + _MASKED_BIT_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) | + _MASKED_BIT_ENABLE(GFX_REPLAY_MODE)); + } if (INTEL_INFO(dev)->gen >= 5) { ret = init_pipe_control(ring); -- 1.8.5.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx