This register needs to be updated with masked writes.

Cc: Damien Lespiau <damien.lesp...@intel.com>
Cc: Thomas Daniel <thomas.dan...@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuopp...@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 96ae90a..14dec0d 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -540,7 +540,8 @@ void intel_lrc_irq_handler(struct intel_engine_cs *ring)
        ring->next_context_status_buffer = write_pointer % 6;
 
        I915_WRITE(RING_CONTEXT_STATUS_PTR(ring),
-                  ((u32)ring->next_context_status_buffer & 0x07) << 8);
+                  _MASKED_FIELD(0x07 << 8,
+                                ((u32)ring->next_context_status_buffer & 0x07) 
<< 8));
 }
 
 static int execlists_context_queue(struct intel_engine_cs *ring,
-- 
1.9.1

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