diff options
| author | Eric Anholt <anholt@FreeBSD.org> | 2005-06-26 21:02:58 +0000 |
|---|---|---|
| committer | Eric Anholt <anholt@FreeBSD.org> | 2005-06-26 21:02:58 +0000 |
| commit | 3b817fde8832ac577c307e64959e5049017b475f (patch) | |
| tree | 7cb47c1b2a8dd57e224aac4b1a048543138f9c04 /src/mesa/drivers/dri/sis | |
| parent | 845f2a73506837e4ec4e0cf8bb99a2d63bdaf1b4 (diff) | |
Zero out the ENGPACKET allocated on the stack, to avoid sending uninitialized
values to reserved fields on the card, resulting in all-black output and
sometimes hangs.
Submitted by: Thomas Winischhofer
Diffstat (limited to 'src/mesa/drivers/dri/sis')
| -rw-r--r-- | src/mesa/drivers/dri/sis/sis_screen.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/sis/sis_screen.c b/src/mesa/drivers/dri/sis/sis_screen.c index ccfa959c9a..e6c398f4e2 100644 --- a/src/mesa/drivers/dri/sis/sis_screen.c +++ b/src/mesa/drivers/dri/sis/sis_screen.c @@ -316,6 +316,8 @@ static void sisCopyBuffer( __DRIdrawablePrivate *dPriv ) int i; ENGPACKET stEngPacket; + memset(&stEngPacket, 0, sizeof(ENGPACKET)); + while ((*smesa->FrameCountPtr) - MMIO_READ(0x8a2c) > SIS_MAX_FRAME_LENGTH) ; |