[PATCH 23/51] drm/i915: Update do_switch() to take a request structure

[John.C.Harrison@xxxxxxxxx]

From: John Harrison <John.C.Harrison@xxxxxxxxx>

Updated do_switch() to take a request pointer instead of a ring/context pair.

For: VIZ-5115
Signed-off-by: John Harrison <John.C.Harrison@xxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_gem_context.c |   17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index b326f8d..eedb994 100644
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -556,9 +556,10 @@ mi_set_context(struct intel_engine_cs *ring,
 	return ret;
 }
 
-static int do_switch(struct intel_engine_cs *ring,
-		     struct intel_context *to)
+static int do_switch(struct drm_i915_gem_request *req)
 {
+	struct intel_context *to = req->ctx;
+	struct intel_engine_cs *ring = req->ring;
 	struct drm_i915_private *dev_priv = ring->dev->dev_private;
 	struct intel_context *from = ring->last_context;
 	u32 hw_flags = 0;
@@ -591,7 +592,7 @@ static int do_switch(struct intel_engine_cs *ring,
 
 	if (to->ppgtt) {
 		trace_switch_mm(ring, to);
-		ret = to->ppgtt->switch_mm(to->ppgtt, ring);
+		ret = to->ppgtt->switch_mm(to->ppgtt, req->ring);
 		if (ret)
 			goto unpin_out;
 	}
@@ -627,7 +628,7 @@ static int do_switch(struct intel_engine_cs *ring,
 	if (!to->legacy_hw_ctx.initialized || i915_gem_context_is_default(to))
 		hw_flags |= MI_RESTORE_INHIBIT;
 
-	ret = mi_set_context(ring, to, hw_flags);
+	ret = mi_set_context(req->ring, to, hw_flags);
 	if (ret)
 		goto unpin_out;
 
@@ -635,7 +636,7 @@ static int do_switch(struct intel_engine_cs *ring,
 		if (!(to->remap_slice & (1<<i)))
 			continue;
 
-		ret = i915_gem_l3_remap(ring, i);
+		ret = i915_gem_l3_remap(req->ring, i);
 		/* If it failed, try again next round */
 		if (ret)
 			DRM_DEBUG_DRIVER("L3 remapping failed\n");
@@ -651,7 +652,7 @@ static int do_switch(struct intel_engine_cs *ring,
 	 */
 	if (from != NULL) {
 		from->legacy_hw_ctx.rcs_state->base.read_domains = I915_GEM_DOMAIN_INSTRUCTION;
-		i915_vma_move_to_active(i915_gem_obj_to_ggtt(from->legacy_hw_ctx.rcs_state), ring);
+		i915_vma_move_to_active(i915_gem_obj_to_ggtt(from->legacy_hw_ctx.rcs_state), req->ring);
 		/* As long as MI_SET_CONTEXT is serializing, ie. it flushes the
 		 * whole damn pipeline, we don't need to explicitly mark the
 		 * object dirty. The only exception is that the context must be
@@ -677,7 +678,7 @@ done:
 
 	if (uninitialized) {
 		if (ring->init_context) {
-			ret = ring->init_context(ring, to);
+			ret = ring->init_context(req->ring, to);
 			if (ret)
 				DRM_ERROR("ring init context: %d\n", ret);
 		}
@@ -722,7 +723,7 @@ int i915_switch_context(struct drm_i915_gem_request *req)
 		return 0;
 	}
 
-	return do_switch(req->ring, req->ctx);
+	return do_switch(req);
 }
 
 static bool contexts_enabled(struct drm_device *dev)
-- 
1.7.9.5

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