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vmwgfx: Make it possible to get fence from execbuf 

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
hifive-unleashed-5.1
Jakob Bornecrantz 2012-02-09 16:56:43 +01:00 committed by Dave Airlie
parent 6b82ef50d8
commit bb1bd2f43e
3 changed files with 18 additions and 10 deletions
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3
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
View File

@ -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,

15
drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
View File

@ -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;

10
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
View File

@ -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);