From: Jakob Bornecrantz <ja...@vmware.com>
Signed-off-by: Jakob Bornecrantz <jakob at vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom at vmware.com>
---
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 3 ++-
drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c | 15 +++++++++++----
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 10 +++++-----
3 files changed, 18 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 93505ce..14c2f49 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -534,7 +534,8 @@ extern int vmw_execbuf_process(struct drm_file *file_priv,
uint32_t command_size,
uint64_t throttle_us,
struct drm_vmw_fence_rep __user
- *user_fence_rep);
+ *user_fence_rep,
+ struct vmw_fence_obj **out_fence);
extern void
vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 40932fb..4acced4 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -1109,10 +1109,11 @@ int vmw_execbuf_process(struct drm_file *file_priv,
void *kernel_commands,
uint32_t command_size,
uint64_t throttle_us,
- struct drm_vmw_fence_rep __user *user_fence_rep)
+ struct drm_vmw_fence_rep __user *user_fence_rep,
+ struct vmw_fence_obj **out_fence)
{
struct vmw_sw_context *sw_context = &dev_priv->ctx;
- struct vmw_fence_obj *fence;
+ struct vmw_fence_obj *fence = NULL;
uint32_t handle;
void *cmd;
int ret;
@@ -1208,8 +1209,13 @@ int vmw_execbuf_process(struct drm_file *file_priv,
vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv), ret,
user_fence_rep, fence, handle);
- if (likely(fence != NULL))
+ /* Don't unreference when handing fence out */
+ if (unlikely(out_fence != NULL)) {
+ *out_fence = fence;
+ fence = NULL;
+ } else if (likely(fence != NULL)) {
vmw_fence_obj_unreference(&fence);
+ }
mutex_unlock(&dev_priv->cmdbuf_mutex);
return 0;
@@ -1362,7 +1368,8 @@ int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
ret = vmw_execbuf_process(file_priv, dev_priv,
(void __user *)(unsigned long)arg->commands,
NULL, arg->command_size, arg->throttle_us,
- (void __user *)(unsigned long)arg->fence_rep);
+ (void __user *)(unsigned long)arg->fence_rep,
+ NULL);
if (unlikely(ret != 0))
goto out_unlock;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index b66ef0e..12619c3 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -547,7 +547,7 @@ static int do_surface_dirty_sou(struct vmw_private
*dev_priv,
fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
- fifo_size, 0, NULL);
+ fifo_size, 0, NULL, NULL);
if (unlikely(ret != 0))
break;
@@ -809,7 +809,7 @@ static int do_dmabuf_define_gmrfb(struct drm_file
*file_priv,
cmd->body.ptr.offset = 0;
ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
- fifo_size, 0, NULL);
+ fifo_size, 0, NULL, NULL);
kfree(cmd);
@@ -896,7 +896,7 @@ static int do_dmabuf_dirty_sou(struct drm_file *file_priv,
fifo_size = sizeof(*blits) * hit_num;
ret = vmw_execbuf_process(file_priv, dev_priv, NULL, blits,
- fifo_size, 0, NULL);
+ fifo_size, 0, NULL, NULL);
if (unlikely(ret != 0))
break;
@@ -1296,7 +1296,7 @@ int vmw_kms_present(struct vmw_private *dev_priv,
fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
- fifo_size, 0, NULL);
+ fifo_size, 0, NULL, NULL);
if (unlikely(ret != 0))
break;
@@ -1409,7 +1409,7 @@ int vmw_kms_readback(struct vmw_private *dev_priv,
fifo_size = sizeof(*cmd) + sizeof(*blits) * blits_pos;
ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, fifo_size,
- 0, user_fence_rep);
+ 0, user_fence_rep, NULL);
kfree(cmd);
--
1.7.4.4
