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-rw-r--r--src/mesa/drivers/dri/mga/mga_xmesa.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/mga/mga_xmesa.c b/src/mesa/drivers/dri/mga/mga_xmesa.c
index f0fe8d2c04..4edb954ef8 100644
--- a/src/mesa/drivers/dri/mga/mga_xmesa.c
+++ b/src/mesa/drivers/dri/mga/mga_xmesa.c
@@ -248,6 +248,7 @@ mgaInitDriver(__DRIscreenPrivate *sPriv)
gp.param = MGA_PARAM_IRQ_NR;
gp.value = &mgaScreen->irq;
+ mgaScreen->irq = 0;
ret = drmCommandWriteRead( sPriv->fd, DRM_MGA_GETPARAM,
&gp, sizeof(gp));