[PATCH] xf86: call enter/leave VT for gpu screens as well

[Dave Airlie]

From: Dave Airlie <airlied at redhat.com>

Otherwise we can't do fast user switch properly for multiple GPUs.

Signed-off-by: Dave Airlie <airlied at redhat.com>
---
 hw/xfree86/common/xf86Events.c |   11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/hw/xfree86/common/xf86Events.c b/hw/xfree86/common/xf86Events.c
index 47429ec..3ad34b5 100644
--- a/hw/xfree86/common/xf86Events.c
+++ b/hw/xfree86/common/xf86Events.c
@@ -460,6 +460,8 @@ xf86VTSwitch(void)
         OsBlockSIGIO();
         for (i = 0; i < xf86NumScreens; i++)
             xf86Screens[i]->LeaveVT(xf86Screens[i]);
+        for (i = 0; i < xf86NumGPUScreens; i++)
+            xf86GPUScreens[i]->LeaveVT(xf86GPUScreens[i]);
 
         xf86AccessLeave();      /* We need this here, otherwise */
 
@@ -474,6 +476,10 @@ xf86VTSwitch(void)
                 if (!xf86Screens[i]->EnterVT(xf86Screens[i]))
                     FatalError("EnterVT failed for screen %d\n", i);
             }
+            for (i = 0; i < xf86NumGPUScreens; i++) {
+                if (!xf86GPUScreens[i]->EnterVT(xf86GPUScreens[i]))
+                    FatalError("EnterVT failed for gpu screen %d\n", i);
+            }
             if (!(dispatchException & DE_TERMINATE)) {
                 for (i = 0; i < xf86NumScreens; i++) {
                     if (xf86Screens[i]->EnableDisableFBAccess)
@@ -530,6 +536,11 @@ xf86VTSwitch(void)
             if (!xf86Screens[i]->EnterVT(xf86Screens[i]))
                 FatalError("EnterVT failed for screen %d\n", i);
         }
+        for (i = 0; i < xf86NumGPUScreens; i++) {
+            xf86GPUScreens[i]->vtSema = TRUE;
+            if (!xf86GPUScreens[i]->EnterVT(xf86GPUScreens[i]))
+                FatalError("EnterVT failed for gpu screen %d\n", i);
+        }
         for (i = 0; i < xf86NumScreens; i++) {
             if (xf86Screens[i]->EnableDisableFBAccess)
                 (*xf86Screens[i]->EnableDisableFBAccess) (xf86Screens[i], TRUE);
-- 
1.7.10.2