[PATCH 4.9 80/93] drm/virtio: fix framebuffer sparse warning

From: Greg Kroah-Hartman
Date: Wed Aug 09 2017 - 14:16:55 EST


4.9-stable review patch. If anyone has any objections, please let me know.

------------------

From: Gerd Hoffmann <kraxel@xxxxxxxxxx>


[ Upstream commit 71d3f6ef7f5af38dea2975ec5715c88bae92e92d ]

virtio uses normal ram as backing storage for the framebuffer, so we
should assign the address to new screen_buffer (added by commit
17a7b0b4d9749f80d365d7baff5dec2f54b0e992) instead of screen_base.

Reported-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/virtio/virtgpu_fb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/virtio/virtgpu_fb.c
+++ b/drivers/gpu/drm/virtio/virtgpu_fb.c
@@ -337,7 +337,7 @@ static int virtio_gpufb_create(struct dr
info->fbops = &virtio_gpufb_ops;
info->pixmap.flags = FB_PIXMAP_SYSTEM;

- info->screen_base = obj->vmap;
+ info->screen_buffer = obj->vmap;
info->screen_size = obj->gem_base.size;
drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
drm_fb_helper_fill_var(info, &vfbdev->helper,