Save at least one screen layout during vga save to avoid odd things
happening during restore.
Signed-off-by: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
---
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 5fb68f3..87c6e61 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1025,6 +1025,9 @@ int vmw_kms_save_vga(struct vmw_private *vmw_priv)
vmw_priv->num_displays = vmw_read(vmw_priv,
SVGA_REG_NUM_GUEST_DISPLAYS);
+ if (vmw_priv->num_displays == 0)
+ vmw_priv->num_displays = 1;
+
for (i = 0; i < vmw_priv->num_displays; ++i) {
save = &vmw_priv->vga_save[i];
vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
--
1.6.2.5
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