We now only need to update the address of the ringbuf object in the
hw context when it is pinned, and the hw context is first CPU mapped
Issue: VIZ-4277
Cc: David Gordon <david.s.gordon@xxxxxxxxx>
Signed-off-by: Nick Hoath <nicholas.hoath@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_lrc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 55a4de56..92a0ece 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -368,7 +368,6 @@ static int execlists_update_context(struct drm_i915_gem_request *rq)
WARN_ON(!i915_gem_obj_is_pinned(rb_obj));
reg_state[CTX_RING_TAIL+1] = rq->tail;
- reg_state[CTX_RING_BUFFER_START+1] = i915_gem_obj_ggtt_offset(rb_obj);
if (ppgtt && !USES_FULL_48BIT_PPGTT(ppgtt->base.dev)) {
/* True 32b PPGTT with dynamic page allocation: update PDP
@@ -1046,6 +1045,9 @@ static int intel_lr_context_do_pin(
if (ret)
goto unpin_rb_obj;
+ ctx->engine[ring->id].reg_state[CTX_RING_BUFFER_START+1] =
+ i915_gem_obj_ggtt_offset(ringbuf->obj);
+
ctx_obj->dirty = true;
/* Invalidate GuC TLB. */
--
1.9.1
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