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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_kms.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index b1af76e371c3..eeba6d1d06e4 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -553,9 +553,7 @@ int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
} *cmd;
int i, increment = 1;
- if (!num_clips ||
- !(dev_priv->fifo.capabilities &
- SVGA_FIFO_CAP_SCREEN_OBJECT)) {
+ if (!num_clips) {
num_clips = 1;
clips = &norect;
norect.x1 = norect.y1 = 0;
@@ -574,10 +572,10 @@ int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
for (i = 0; i < num_clips; i++, clips += increment) {
cmd[i].header = cpu_to_le32(SVGA_CMD_UPDATE);
- cmd[i].body.x = cpu_to_le32(clips[i].x1);
- cmd[i].body.y = cpu_to_le32(clips[i].y1);
- cmd[i].body.width = cpu_to_le32(clips[i].x2 - clips[i].x1);
- cmd[i].body.height = cpu_to_le32(clips[i].y2 - clips[i].y1);
+ cmd[i].body.x = cpu_to_le32(clips->x1);
+ cmd[i].body.y = cpu_to_le32(clips->y1);
+ cmd[i].body.width = cpu_to_le32(clips->x2 - clips->x1);
+ cmd[i].body.height = cpu_to_le32(clips->y2 - clips->y1);
}
vmw_fifo_commit(dev_priv, sizeof(*cmd) * num_clips);
@@ -709,6 +707,9 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
if (ret)
goto try_dmabuf;
+ if (!surface->scanout)
+ goto err_not_scanout;
+
ret = vmw_kms_new_framebuffer_surface(dev_priv, surface, &vfb,
mode_cmd->width, mode_cmd->height);
@@ -742,6 +743,13 @@ try_dmabuf:
}
return &vfb->base;
+
+err_not_scanout:
+ DRM_ERROR("surface not marked as scanout\n");
+ /* vmw_user_surface_lookup takes one ref */
+ vmw_surface_unreference(&surface);
+
+ return NULL;
}
static int vmw_kms_fb_changed(struct drm_device *dev)