Commit 075b3bba authored by Ben Widawsky's avatar Ben Widawsky Committed by Daniel Vetter

drm/i915/bdw: Update MI_FLUSH_DW

The code is more verbose than necessary for the reader's sake, hopefully
the compiler optimizes away the if.
Reviewed-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarBen Widawsky <ben@bwidawsk.net>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 1c7a0623
......@@ -1670,6 +1670,8 @@ static int gen6_bsd_ring_flush(struct intel_ring_buffer *ring,
return ret;
cmd = MI_FLUSH_DW;
if (INTEL_INFO(ring->dev)->gen >= 8)
cmd += 1;
/*
* Bspec vol 1c.5 - video engine command streamer:
* "If ENABLED, all TLBs will be invalidated once the flush
......@@ -1681,8 +1683,13 @@ static int gen6_bsd_ring_flush(struct intel_ring_buffer *ring,
MI_FLUSH_DW_STORE_INDEX | MI_FLUSH_DW_OP_STOREDW;
intel_ring_emit(ring, cmd);
intel_ring_emit(ring, I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, MI_NOOP);
if (INTEL_INFO(ring->dev)->gen >= 8) {
intel_ring_emit(ring, 0); /* upper addr */
intel_ring_emit(ring, 0); /* value */
} else {
intel_ring_emit(ring, 0);
intel_ring_emit(ring, MI_NOOP);
}
intel_ring_advance(ring);
return 0;
}
......@@ -1764,6 +1771,8 @@ static int gen6_ring_flush(struct intel_ring_buffer *ring,
return ret;
cmd = MI_FLUSH_DW;
if (INTEL_INFO(ring->dev)->gen >= 8)
cmd += 1;
/*
* Bspec vol 1c.3 - blitter engine command streamer:
* "If ENABLED, all TLBs will be invalidated once the flush
......@@ -1775,8 +1784,13 @@ static int gen6_ring_flush(struct intel_ring_buffer *ring,
MI_FLUSH_DW_OP_STOREDW;
intel_ring_emit(ring, cmd);
intel_ring_emit(ring, I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT);
intel_ring_emit(ring, 0);
intel_ring_emit(ring, MI_NOOP);
if (INTEL_INFO(ring->dev)->gen >= 8) {
intel_ring_emit(ring, 0); /* upper addr */
intel_ring_emit(ring, 0); /* value */
} else {
intel_ring_emit(ring, 0);
intel_ring_emit(ring, MI_NOOP);
}
intel_ring_advance(ring);
if (IS_GEN7(dev) && flush)
......
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