Set vtSema before EnterVT

Which was missing in our ScreenInit and initial EnterVT.
This not only causes failure in initial rotation with TTM,
as we won't bind in rotate_mem alloc in this case, and hide
another bug that we call randr12 function in I830LoadPalete
before we call xf86RandR12Init.

1 files changed, 16 insertions, 11 deletions

diff --git a/src/i830_driver.c b/src/i830_driver.c
index 70774568..dffc6306 100644
--- a/src/i830_driver.c
+++ b/src/i830_driver.c
@@ -2934,9 +2934,25 @@ I830ScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
       pI830->directRenderingEnabled = I830DRIFinishScreenInit(pScreen);
 #endif
 
+   /* Must force it before EnterVT, so we are in control of VT and
+    * later memory should be bound when allocating, e.g rotate_mem */
+   pScrn->vtSema = TRUE;
+
    if (!I830EnterVT(scrnIndex, 0))
       return FALSE;
 
+   pI830->BlockHandler = pScreen->BlockHandler;
+   pScreen->BlockHandler = I830BlockHandler;
+
+   pScreen->SaveScreen = xf86SaveScreen;
+   pI830->CloseScreen = pScreen->CloseScreen;
+   pScreen->CloseScreen = I830CloseScreen;
+   pI830->CreateScreenResources = pScreen->CreateScreenResources;
+   pScreen->CreateScreenResources = i830CreateScreenResources;
+
+   if (!xf86CrtcScreenInit (pScreen))
+       return FALSE;
+
    DPRINTF(PFX, "assert( if(!miCreateDefColormap(pScreen)) )\n");
    if (!miCreateDefColormap(pScreen))
       return FALSE;
@@ -2973,18 +2989,7 @@ I830ScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
    xf86DrvMsg(pScrn->scrnIndex, X_INFO, "direct rendering: Not available\n");
 #endif
 
-   pI830->BlockHandler = pScreen->BlockHandler;
-   pScreen->BlockHandler = I830BlockHandler;
 
-   pScreen->SaveScreen = xf86SaveScreen;
-   pI830->CloseScreen = pScreen->CloseScreen;
-   pScreen->CloseScreen = I830CloseScreen;
-   pI830->CreateScreenResources = pScreen->CreateScreenResources;
-   pScreen->CreateScreenResources = i830CreateScreenResources;
-
-   if (!xf86CrtcScreenInit (pScreen))
-       return FALSE;
-       
    /* Wrap pointer motion to flip touch screen around */
    pI830->PointerMoved = pScrn->PointerMoved;
    pScrn->PointerMoved = I830PointerMoved;