amdgpu: get rid of IB pool management v3

v1: by Jammy Zhou
v2: remove bo wait when destroy IB by Jammy Zhou
v3: more cleanups by Marek

Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>

1 files changed, 0 insertions, 19 deletions

diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index 302f1dc4..bef7bf58 100644
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -56,14 +56,6 @@ struct drm_amdgpu_info_hw_ip;
  */
 #define AMDGPU_TIMEOUT_INFINITE                 0xffffffffffffffffull
 
-/**
- * The special flag to mark that this IB will re-used
- * by client and should not be automatically return back
- * to free pool by libdrm_amdgpu when submission is completed.
- *
- * \sa amdgpu_cs_ib_info
-*/
-#define AMDGPU_CS_REUSE_IB                      0x2
 
 /*--------------------------------------------------------------------------*/
 /* ----------------------------- Enums ------------------------------------ */
@@ -969,9 +961,6 @@ int amdgpu_cs_alloc_ib(amdgpu_context_handle context,
  *          >0 - AMD specific error code\n
  *          <0 - Negative POSIX Error code
  *
- * \note Libdrm_amdgpu will guarantee that it will correctly detect when it
- *      is safe to return IB to free pool
- *
  * \sa amdgpu_cs_alloc_ib()
  *
 */
@@ -1007,14 +996,6 @@ int amdgpu_cs_free_ib(amdgpu_ib_handle handle);
  *          >0 - AMD specific error code\n
  *          <0 - Negative POSIX Error code
  *
- * \note It is assumed that by default IB will be returned to free pool
- *       automatically by libdrm_amdgpu when submission will completed.
- *       It is possible for UMD to make decision to re-use the same IB in
- *       this case it should be explicitly freed.\n
- *       Accordingly, by default, after submission UMD should not touch passed
- *       IBs. If UMD needs to re-use IB then the special flag AMDGPU_CS_REUSE_IB
- *       must be passed.
- *
  * \note It is required to pass correct resource list with buffer handles
  *       which will be accessible by command buffers from submission
  *       This will allow kernel driver to correctly implement "paging".