Set up/restore PWRCTXA from enter/leavevt not server start/exit.

This should improve behavior in the presence of VT switching, but also avoids
a crash on X exit from writing the register after unmapping mmio.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/i830.h b/src/i830.h
index 62e645ab..2a804abb 100644
--- a/src/i830.h
+++ b/src/i830.h
@@ -653,6 +653,7 @@ typedef struct _I830Rec {
    uint32_t saveRENCLK_GATE_D2;
    uint32_t saveDSPCLK_GATE_D;
    uint32_t saveRAMCLK_GATE_D;
+   uint32_t savePWRCTXA;
 
    enum last_3d *last_3d;