i965: Pass the EGL/DRI context priority through to the kernel

[mesa.git] / src / mesa / drivers / dri / i965 / brw_bufmgr.c

diff --git a/src/mesa/drivers/dri/i965/brw_bufmgr.c b/src/mesa/drivers/dri/i965/brw_bufmgr.c
index 73a539db755d7ed07d4c3edb34a2c9a0b422c106..17036b53bcdad8aeb97b148a013fb02e1726b469 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_bufmgr.c
+++ b/src/mesa/drivers/dri/i965/brw_bufmgr.c
@@ -361,7 +361,6 @@ retry:
       }
 
       bo->gem_handle = create.handle;
-      _mesa_hash_table_insert(bufmgr->handle_table, &bo->gem_handle, bo);
 
       bo->bufmgr = bufmgr;
       bo->align = alignment;
@@ -554,7 +553,6 @@ bo_free(struct brw_bo *bo)
 {
    struct brw_bufmgr *bufmgr = bo->bufmgr;
    struct drm_gem_close close;
-   struct hash_entry *entry;
    int ret;
 
    if (bo->map_cpu) {
@@ -570,12 +568,17 @@ bo_free(struct brw_bo *bo)
       drm_munmap(bo->map_gtt, bo->size);
    }
 
-   if (bo->global_name) {
-      entry = _mesa_hash_table_search(bufmgr->name_table, &bo->global_name);
-      _mesa_hash_table_remove(bufmgr->name_table, entry);
+   if (bo->external) {
+      struct hash_entry *entry;
+
+      if (bo->global_name) {
+         entry = _mesa_hash_table_search(bufmgr->name_table, &bo->global_name);
+         _mesa_hash_table_remove(bufmgr->name_table, entry);
+      }
+
+      entry = _mesa_hash_table_search(bufmgr->handle_table, &bo->gem_handle);
+      _mesa_hash_table_remove(bufmgr->handle_table, entry);
    }
-   entry = _mesa_hash_table_search(bufmgr->handle_table, &bo->gem_handle);
-   _mesa_hash_table_remove(bufmgr->handle_table, entry);
 
    /* Close this object */
    memclear(close);
@@ -666,11 +669,12 @@ bo_wait_with_stall_warning(struct brw_context *brw,
                            struct brw_bo *bo,
                            const char *action)
 {
-   double elapsed = unlikely(brw && brw->perf_debug) ? -get_time() : 0.0;
+   bool busy = brw && brw->perf_debug && !bo->idle;
+   double elapsed = unlikely(busy) ? -get_time() : 0.0;
 
    brw_bo_wait_rendering(bo);
 
-   if (unlikely(brw && brw->perf_debug)) {
+   if (unlikely(busy)) {
       elapsed += get_time();
       if (elapsed > 1e-5) /* 0.01ms */
          perf_debug("%s a busy \"%s\" BO stalled and took %.03f ms.\n",
@@ -1178,12 +1182,20 @@ brw_bo_gem_export_to_prime(struct brw_bo *bo, int *prime_fd)
 {
    struct brw_bufmgr *bufmgr = bo->bufmgr;
 
+   if (!bo->external) {
+      mtx_lock(&bufmgr->lock);
+      if (!bo->external) {
+         _mesa_hash_table_insert(bufmgr->handle_table, &bo->gem_handle, bo);
+         bo->external = true;
+      }
+      mtx_unlock(&bufmgr->lock);
+   }
+
    if (drmPrimeHandleToFD(bufmgr->fd, bo->gem_handle,
                           DRM_CLOEXEC, prime_fd) != 0)
       return -errno;
 
    bo->reusable = false;
-   bo->external = true;
 
    return 0;
 }
@@ -1202,14 +1214,17 @@ brw_bo_flink(struct brw_bo *bo, uint32_t *name)
          return -errno;
 
       mtx_lock(&bufmgr->lock);
+      if (!bo->external) {
+         _mesa_hash_table_insert(bufmgr->handle_table, &bo->gem_handle, bo);
+         bo->external = true;
+      }
       if (!bo->global_name) {
          bo->global_name = flink.name;
-         bo->reusable = false;
-         bo->external = true;
-
          _mesa_hash_table_insert(bufmgr->name_table, &bo->global_name, bo);
       }
       mtx_unlock(&bufmgr->lock);
+
+      bo->reusable = false;
    }
 
    *name = bo->global_name;
@@ -1284,6 +1299,25 @@ brw_create_hw_context(struct brw_bufmgr *bufmgr)
    return create.ctx_id;
 }
 
+int
+brw_hw_context_set_priority(struct brw_bufmgr *bufmgr,
+                            uint32_t ctx_id,
+                            int priority)
+{
+   struct drm_i915_gem_context_param p = {
+      .ctx_id = ctx_id,
+      .param = I915_CONTEXT_PARAM_PRIORITY,
+      .value = priority,
+   };
+   int err;
+
+   err = 0;
+   if (drmIoctl(bufmgr->fd, DRM_IOCTL_I915_GEM_CONTEXT_SETPARAM, &p))
+      err = -errno;
+
+   return err;
+}
+
 void
 brw_destroy_hw_context(struct brw_bufmgr *bufmgr, uint32_t ctx_id)
 {