Revert "gallium: add flag PIPE_TRANSFER_MAP_PERMANENTLY"

This reverts commit 0950086376b1c8b7fb89eda81ed7f2f06dee58bc.

It was decided to refactor the transfer API instead of adding workarounds
to address the performance issues.

1 files changed, 1 insertions, 6 deletions

diff --git a/src/gallium/drivers/i915/i915_resource_buffer.c b/src/gallium/drivers/i915/i915_resource_buffer.c
index c54e481698e..77c03450b3a 100644
--- a/src/gallium/drivers/i915/i915_resource_buffer.c
+++ b/src/gallium/drivers/i915/i915_resource_buffer.c
@@ -68,13 +68,8 @@ i915_get_transfer(struct pipe_context *pipe,
                   const struct pipe_box *box)
 {
    struct i915_context *i915 = i915_context(pipe);
-   struct pipe_transfer *transfer;
+   struct pipe_transfer *transfer = util_slab_alloc(&i915->transfer_pool);
 
-   if (usage & PIPE_TRANSFER_MAP_PERMANENTLY) {
-      return NULL;
-   }
-
-   transfer = util_slab_alloc(&i915->transfer_pool);
    if (transfer == NULL)
       return NULL;