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-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c9
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.h1
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c19
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_resource.c2
4 files changed, 30 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
index 37a8192..825ebe3 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
@@ -48,6 +48,15 @@ struct ttm_placement vmw_vram_placement = {
.busy_placement = &vram_placement_flags
};
+struct ttm_placement vmw_vram_sys_placement = {
+ .fpfn = 0,
+ .lpfn = 0,
+ .num_placement = 1,
+ .placement = &vram_placement_flags,
+ .num_busy_placement = 1,
+ .busy_placement = &sys_placement_flags
+};
+
struct ttm_placement vmw_vram_ne_placement = {
.fpfn = 0,
.lpfn = 0,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 7532b9b..50529a7 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -404,6 +404,7 @@ extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
extern struct ttm_placement vmw_vram_placement;
extern struct ttm_placement vmw_vram_ne_placement;
+extern struct ttm_placement vmw_vram_sys_placement;
extern struct ttm_placement vmw_sys_placement;
extern struct ttm_bo_driver vmw_bo_driver;
extern int vmw_dma_quiescent(struct drm_device *dev);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 2e92da5..d69caf9 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -490,10 +490,29 @@ static int vmw_validate_single_buffer(struct vmw_private *dev_priv,
if (vmw_dmabuf_gmr(bo) != SVGA_GMR_NULL)
return 0;
+ /**
+ * Put BO in VRAM, only if there is space.
+ */
+
+ ret = ttm_bo_validate(bo, &vmw_vram_sys_placement, true, false);
+ if (unlikely(ret == -ERESTARTSYS))
+ return ret;
+
+ /**
+ * Otherwise, set it up as GMR.
+ */
+
+ if (vmw_dmabuf_gmr(bo) != SVGA_GMR_NULL)
+ return 0;
+
ret = vmw_gmr_bind(dev_priv, bo);
if (likely(ret == 0 || ret == -ERESTARTSYS))
return ret;
+ /**
+ * If that failed, try VRAM again, this time evicting
+ * previous contents.
+ */
ret = ttm_bo_validate(bo, &vmw_vram_placement, true, false);
return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
index e087807..e01db12 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
@@ -872,7 +872,7 @@ int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
}
ret = vmw_dmabuf_init(dev_priv, &vmw_user_bo->dma, req->size,
- &vmw_vram_placement, true,
+ &vmw_vram_sys_placement, true,
&vmw_user_dmabuf_destroy);
if (unlikely(ret != 0))
return ret;
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