[Intel-gfx] [PATCH] drm/i915: HWSTAM is not a thing on SKL+

[Ben Widawsky]

Compile tested only.

Signed-off-by: Ben Widawsky <benjamin.widawsky at intel.com>
---
 drivers/gpu/drm/i915/intel_lrc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 42a7be1..a9bc207 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1466,7 +1466,8 @@ static int gen8_init_common_ring(struct intel_engine_cs *ring)
 	u8 next_context_status_buffer_hw;
 
 	I915_WRITE_IMR(ring, ~(ring->irq_enable_mask | ring->irq_keep_mask));
-	I915_WRITE(RING_HWSTAM(ring->mmio_base), 0xffffffff);
+	if (INTEL_INFO(ring->dev)->gen == 8)
+		I915_WRITE(RING_HWSTAM(ring->mmio_base), 0xffffffff);
 
 	if (ring->status_page.obj) {
 		I915_WRITE(RING_HWS_PGA(ring->mmio_base),
-- 
2.6.4