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-rw-r--r--drivers/gpu/drm/i915/i915_guc_submission.c27
-rw-r--r--drivers/gpu/drm/i915/intel_lrc.c6
2 files changed, 4 insertions, 29 deletions
diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c
index 51ae5c1f806d..7a7e1e5d807b 100644
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -560,29 +560,6 @@ static int guc_add_workqueue_item(struct i915_guc_client *gc,
return 0;
}
-#define CTX_RING_BUFFER_START 0x08
-
-/* Update the ringbuffer pointer in a saved context image */
-static void lr_context_update(struct drm_i915_gem_request *rq)
-{
- enum intel_ring_id ring_id = rq->ring->id;
- struct drm_i915_gem_object *ctx_obj = rq->ctx->engine[ring_id].state;
- struct drm_i915_gem_object *rb_obj = rq->ringbuf->obj;
- struct page *page;
- uint32_t *reg_state;
-
- BUG_ON(!ctx_obj);
- WARN_ON(!i915_gem_obj_is_pinned(ctx_obj));
- WARN_ON(!i915_gem_obj_is_pinned(rb_obj));
-
- page = i915_gem_object_get_dirty_page(ctx_obj, LRC_STATE_PN);
- reg_state = kmap_atomic(page);
-
- reg_state[CTX_RING_BUFFER_START+1] = i915_gem_obj_ggtt_offset(rb_obj);
-
- kunmap_atomic(reg_state);
-}
-
/**
* i915_guc_submit() - Submit commands through GuC
* @client: the guc client where commands will go through
@@ -597,10 +574,6 @@ int i915_guc_submit(struct i915_guc_client *client,
enum intel_ring_id ring_id = rq->ring->id;
int q_ret, b_ret;
- /* Need this because of the deferred pin ctx and ring */
- /* Shall we move this right after ring is pinned? */
- lr_context_update(rq);
-
q_ret = guc_add_workqueue_item(client, rq);
if (q_ret == 0)
b_ret = guc_ring_doorbell(client);
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 73d4347429df..116c10f56e66 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -393,7 +393,6 @@ static int execlists_update_context(struct drm_i915_gem_request *rq)
uint32_t *reg_state = rq->ctx->engine[ring->id].lrc_reg_state;
reg_state[CTX_RING_TAIL+1] = rq->tail;
- reg_state[CTX_RING_BUFFER_START+1] = rq->ringbuf->vma->node.start;
if (ppgtt && !USES_FULL_48BIT_PPGTT(ppgtt->base.dev)) {
/* True 32b PPGTT with dynamic page allocation: update PDP
@@ -1067,6 +1066,7 @@ static int intel_lr_context_do_pin(struct intel_engine_cs *ring,
struct drm_i915_gem_object *ctx_obj = ctx->engine[ring->id].state;
struct intel_ringbuffer *ringbuf = ctx->engine[ring->id].ringbuf;
struct page *lrc_state_page;
+ uint32_t *lrc_reg_state;
int ret;
WARN_ON(!mutex_is_locked(&ring->dev->struct_mutex));
@@ -1088,7 +1088,9 @@ static int intel_lr_context_do_pin(struct intel_engine_cs *ring,
ctx->engine[ring->id].lrc_vma = i915_gem_obj_to_ggtt(ctx_obj);
intel_lr_context_descriptor_update(ctx, ring);
- ctx->engine[ring->id].lrc_reg_state = kmap(lrc_state_page);
+ lrc_reg_state = kmap(lrc_state_page);
+ lrc_reg_state[CTX_RING_BUFFER_START+1] = ringbuf->vma->node.start;
+ ctx->engine[ring->id].lrc_reg_state = lrc_reg_state;
ctx_obj->dirty = true;
/* Invalidate GuC TLB. */