ilo: EOL drop unmaintained gallium drv from buildsys

[mesa.git] / src / gallium / drivers / ilo / ilo_cp.c

diff --git a/src/gallium/drivers/ilo/ilo_cp.c b/src/gallium/drivers/ilo/ilo_cp.c
index d6bdfcaea2a82b736a6c7b037c80d9c1c0ff899a..1f5d4ec7658815d9a429efdbc3548ed6c7bde558 100644 (file)
--- a/src/gallium/drivers/ilo/ilo_cp.c
+++ b/src/gallium/drivers/ilo/ilo_cp.c
@@ -25,17 +25,67 @@
  *    Chia-I Wu <olv@lunarg.com>
  */
 
-#include "intel_winsys.h"
+#include "core/ilo_builder_mi.h"
+#include "core/intel_winsys.h"
 
 #include "ilo_shader.h"
 #include "ilo_cp.h"
 
+static const struct ilo_cp_owner ilo_cp_default_owner;
+
+static void
+ilo_cp_release_owner(struct ilo_cp *cp)
+{
+   if (cp->owner != &ilo_cp_default_owner) {
+      const struct ilo_cp_owner *owner = cp->owner;
+
+      cp->owner = &ilo_cp_default_owner;
+
+      assert(ilo_cp_space(cp) >= owner->reserve);
+      owner->release(cp, owner->data);
+   }
+}
+
+/**
+ * Set the parser owner.  If this is a new owner or a new ring, the old owner
+ * is released and the new owner's own() is called.  The parser may implicitly
+ * submit if there is a ring change.
+ *
+ * own() is called before \p owner owns the parser.  It must make sure there
+ * is more space than \p owner->reserve when it returns.  Calling
+ * ilo_cp_submit() is allowed.
+ *
+ * release() will be called after \p owner loses the parser.  That may happen
+ * just before the parser submits and ilo_cp_submit() is not allowed.
+ */
+void
+ilo_cp_set_owner(struct ilo_cp *cp, enum intel_ring_type ring,
+                 const struct ilo_cp_owner *owner)
+{
+   if (!owner)
+      owner = &ilo_cp_default_owner;
+
+   if (cp->ring != ring) {
+      ilo_cp_submit(cp, "ring change");
+      cp->ring = ring;
+   }
+
+   if (cp->owner != owner) {
+      ilo_cp_release_owner(cp);
+
+      owner->own(cp, owner->data);
+
+      assert(ilo_cp_space(cp) >= owner->reserve);
+      cp->owner = owner;
+   }
+}
+
 static struct intel_bo *
 ilo_cp_end_batch(struct ilo_cp *cp, unsigned *used)
 {
    struct intel_bo *bo;
 
-   ilo_cp_set_owner(cp, NULL, 0);
+   ilo_cp_release_owner(cp);
 
    if (!ilo_builder_batch_used(&cp->builder)) {
       ilo_builder_batch_discard(&cp->builder);
@@ -44,7 +94,7 @@ ilo_cp_end_batch(struct ilo_cp *cp, unsigned *used)
 
    /* see ilo_cp_space() */
    assert(ilo_builder_batch_space(&cp->builder) >= 2);
-   ilo_builder_batch_mi_batch_buffer_end(&cp->builder);
+   gen6_mi_batch_buffer_end(&cp->builder);
 
    bo = ilo_builder_end(&cp->builder, used);
 
@@ -55,12 +105,41 @@ ilo_cp_end_batch(struct ilo_cp *cp, unsigned *used)
    return bo;
 }
 
+static bool
+ilo_cp_detect_hang(struct ilo_cp *cp)
+{
+   uint32_t active_lost, pending_lost;
+   bool guilty = false;
+
+   if (likely(!(ilo_debug & ILO_DEBUG_HANG)))
+      return false;
+
+   /* wait and get reset stats */
+   if (intel_bo_wait(cp->last_submitted_bo, -1) ||
+       intel_winsys_get_reset_stats(cp->winsys, cp->render_ctx,
+          &active_lost, &pending_lost))
+      return false;
+
+   if (cp->active_lost != active_lost) {
+      ilo_err("GPU hang caused by bo %p\n", cp->last_submitted_bo);
+      cp->active_lost = active_lost;
+      guilty = true;
+   }
+
+   if (cp->pending_lost != pending_lost) {
+      ilo_err("GPU hang detected\n");
+      cp->pending_lost = pending_lost;
+   }
+
+   return guilty;
+}
+
 /**
  * Flush the command parser and execute the commands.  When the parser buffer
  * is empty, the callback is not invoked.
  */
 void
-ilo_cp_flush_internal(struct ilo_cp *cp)
+ilo_cp_submit_internal(struct ilo_cp *cp)
 {
    const bool do_exec = !(ilo_debug & ILO_DEBUG_NOHW);
    struct intel_bo *bo;
@@ -82,13 +161,21 @@ ilo_cp_flush_internal(struct ilo_cp *cp)
    cp->one_off_flags = 0;
 
    if (!err) {
-      if (cp->last_submitted_bo)
-         intel_bo_unreference(cp->last_submitted_bo);
-      cp->last_submitted_bo = bo;
-      intel_bo_reference(cp->last_submitted_bo);
+      bool guilty;
+
+      intel_bo_unref(cp->last_submitted_bo);
+      cp->last_submitted_bo = intel_bo_ref(bo);
+
+      guilty = ilo_cp_detect_hang(cp);
+
+      if (unlikely((ilo_debug & ILO_DEBUG_BATCH) || guilty)) {
+         ilo_builder_decode(&cp->builder);
+         if (guilty)
+            abort();
+      }
 
-      if (cp->flush_callback)
-         cp->flush_callback(cp, cp->flush_callback_data);
+      if (cp->submit_callback)
+         cp->submit_callback(cp, cp->submit_callback_data);
    }
 
    ilo_builder_begin(&cp->builder);
@@ -110,7 +197,7 @@ ilo_cp_destroy(struct ilo_cp *cp)
  * Create a command parser.
  */
 struct ilo_cp *
-ilo_cp_create(const struct ilo_dev_info *dev,
+ilo_cp_create(const struct ilo_dev *dev,
               struct intel_winsys *winsys,
               struct ilo_shader_cache *shc)
 {
@@ -129,7 +216,7 @@ ilo_cp_create(const struct ilo_dev_info *dev,
    }
 
    cp->ring = INTEL_RING_RENDER;
-   cp->no_implicit_flush = false;
+   cp->owner = &ilo_cp_default_owner;
 
    ilo_builder_init(&cp->builder, dev, winsys);