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-rw-r--r--src/mesa/drivers/dri/i965/intel_ioctl.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_ioctl.c b/src/mesa/drivers/dri/i965/intel_ioctl.c
index d1f2e3f27c..f3b76db215 100644
--- a/src/mesa/drivers/dri/i965/intel_ioctl.c
+++ b/src/mesa/drivers/dri/i965/intel_ioctl.c
@@ -75,7 +75,7 @@ void intelWaitIrq( struct intel_context *intel, int seq )
{
if (!intel->no_hw) {
drmI830IrqWait iw;
- int ret;
+ int ret, lastdispatch;
if (0)
fprintf(stderr, "%s %d\n", __FUNCTION__, seq );
@@ -83,11 +83,12 @@ void intelWaitIrq( struct intel_context *intel, int seq )
iw.irq_seq = seq;
do {
+ lastdispatch = intel->sarea->last_dispatch;
ret = drmCommandWrite( intel->driFd, DRM_I830_IRQ_WAIT, &iw, sizeof(iw) );
/* This seems quite often to return before it should!?!
*/
- } while (ret == -EAGAIN || ret == -EINTR || (ret == 0 && seq > intel->sarea->last_dispatch));
+ } while (ret == -EAGAIN || ret == -EINTR || (ret == -EBUSY && lastdispatch != intel->sarea->last_dispatch) || (ret == 0 && seq > intel->sarea->last_dispatch));
if ( ret ) {