drm/i915: Convert execlists_update_context() for requests

Pass around requests to carry context deeper in callchain.

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 7282466..8e1619a 100644 (file)
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -329,19 +329,24 @@ static void execlists_elsp_write(struct intel_engine_cs *ring,
        spin_unlock(&dev_priv->uncore.lock);
 }
 
-static int execlists_update_context(struct drm_i915_gem_object *ctx_obj,
-                                   struct drm_i915_gem_object *ring_obj,
-                                   struct i915_hw_ppgtt *ppgtt,
-                                   u32 tail)
+static int execlists_update_context(struct drm_i915_gem_request *rq)
 {
+       struct intel_engine_cs *ring = rq->ring;
+       struct i915_hw_ppgtt *ppgtt = rq->ctx->ppgtt;
+       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_page(ctx_obj, 1);
        reg_state = kmap_atomic(page);
 
-       reg_state[CTX_RING_TAIL+1] = tail;
-       reg_state[CTX_RING_BUFFER_START+1] = i915_gem_obj_ggtt_offset(ring_obj);
+       reg_state[CTX_RING_TAIL+1] = rq->tail;
+       reg_state[CTX_RING_BUFFER_START+1] = i915_gem_obj_ggtt_offset(rb_obj);
 
        /* True PPGTT with dynamic page allocation: update PDP registers and
         * point the unallocated PDPs to the scratch page
@@ -365,22 +370,11 @@ static void execlists_submit_requests(struct drm_i915_gem_request *rq0,
        struct drm_i915_gem_object *ctx_obj0 = rq0->ctx->engine[ring->id].state;
        struct drm_i915_gem_object *ctx_obj1 = NULL;
 
-       BUG_ON(!ctx_obj0);
-       WARN_ON(!i915_gem_obj_is_pinned(ctx_obj0));
-       WARN_ON(!i915_gem_obj_is_pinned(rq0->ringbuf->obj));
-
-       execlists_update_context(ctx_obj1, rq0->ringbuf->obj,
-                                rq0->ctx->ppgtt, rq0->tail);
+       execlists_update_context(rq0);
 
        if (rq1) {
+               execlists_update_context(rq1);
                ctx_obj1 = rq1->ctx->engine[ring->id].state;
-
-               BUG_ON(!ctx_obj1);
-               WARN_ON(!i915_gem_obj_is_pinned(ctx_obj1));
-               WARN_ON(!i915_gem_obj_is_pinned(rq1->ringbuf->obj));
-
-               execlists_update_context(ctx_obj1, rq1->ringbuf->obj,
-                                        rq1->ctx->ppgtt, rq1->tail);
        }
 
        execlists_elsp_write(ring, ctx_obj0, ctx_obj1);