From 76a1e97eae3948827ccc100c593d1e96d7a8ce74 Mon Sep 17 00:00:00 2001
From: Rob Clark <robdclark@gmail.com>
Date: Fri, 4 Sep 2015 11:41:47 -0400
Subject: [PATCH] freedreno: drop exported dmabuf fd tracking

There is really no reason to keep around the fd, it just consumes an
extra file handle.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
---
 freedreno/freedreno_bo.c   | 26 ++++++++++----------------
 freedreno/freedreno_priv.h |  1 -
 freedreno/kgsl/kgsl_bo.c   |  1 -
 freedreno/msm/msm_bo.c     |  1 -
 4 files changed, 10 insertions(+), 19 deletions(-)

diff --git a/freedreno/freedreno_bo.c b/freedreno/freedreno_bo.c
index fee32fca..a23c65d0 100644
--- a/freedreno/freedreno_bo.c
+++ b/freedreno/freedreno_bo.c
@@ -298,11 +298,6 @@ void fd_bo_del(struct fd_bo *bo)
 	if (!atomic_dec_and_test(&bo->refcnt))
 		return;
 
-	if (bo->fd >= 0) {
-		close(bo->fd);
-		bo->fd = -1;
-	}
-
 	pthread_mutex_lock(&table_lock);
 
 	if (bo->bo_reuse) {
@@ -386,19 +381,18 @@ uint32_t fd_bo_handle(struct fd_bo *bo)
 
 int fd_bo_dmabuf(struct fd_bo *bo)
 {
-	if (bo->fd < 0) {
-		int ret, prime_fd;
+	int ret, prime_fd;
 
-		ret = drmPrimeHandleToFD(bo->dev->fd, bo->handle, DRM_CLOEXEC,
-					&prime_fd);
-		if (ret) {
-			return ret;
-		}
-
-		bo->fd = prime_fd;
-		bo->bo_reuse = 0;
+	ret = drmPrimeHandleToFD(bo->dev->fd, bo->handle, DRM_CLOEXEC,
+			&prime_fd);
+	if (ret) {
+		ERROR_MSG("failed to get dmabuf fd: %d", ret);
+		return ret;
 	}
-	return dup(bo->fd);
+
+	bo->bo_reuse = 0;
+
+	return prime_fd;
 }
 
 uint32_t fd_bo_size(struct fd_bo *bo)
diff --git a/freedreno/freedreno_priv.h b/freedreno/freedreno_priv.h
index 4e442e42..53817b19 100644
--- a/freedreno/freedreno_priv.h
+++ b/freedreno/freedreno_priv.h
@@ -138,7 +138,6 @@ struct fd_bo {
 	uint32_t size;
 	uint32_t handle;
 	uint32_t name;
-	int fd;          /* dmabuf handle */
 	void *map;
 	atomic_t refcnt;
 	const struct fd_bo_funcs *funcs;
diff --git a/freedreno/kgsl/kgsl_bo.c b/freedreno/kgsl/kgsl_bo.c
index b8ac1026..2b45b5e2 100644
--- a/freedreno/kgsl/kgsl_bo.c
+++ b/freedreno/kgsl/kgsl_bo.c
@@ -168,7 +168,6 @@ drm_private struct fd_bo * kgsl_bo_from_handle(struct fd_device *dev,
 
 	bo = &kgsl_bo->base;
 	bo->funcs = &funcs;
-	bo->fd = -1;
 
 	for (i = 0; i < ARRAY_SIZE(kgsl_bo->list); i++)
 		list_inithead(&kgsl_bo->list[i]);
diff --git a/freedreno/msm/msm_bo.c b/freedreno/msm/msm_bo.c
index ee668aba..cd05a6cd 100644
--- a/freedreno/msm/msm_bo.c
+++ b/freedreno/msm/msm_bo.c
@@ -136,7 +136,6 @@ drm_private struct fd_bo * msm_bo_from_handle(struct fd_device *dev,
 
 	bo = &msm_bo->base;
 	bo->funcs = &funcs;
-	bo->fd = -1;
 
 	return bo;
 }