[Bug 81973] xf86-video-intel-2.99.912 and newer causing flickering on game.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81973

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
"I'm not using a compositing window manager"

contradicts

"8369166349c92a20d9a2e7d0256e63f66fe2682b is the first bad commit"

as that only affects Composite windows.

To confirm your bisect can you try:

diff --git a/src/sna/sna_dri2.c b/src/sna/sna_dri2.c
index 5d1c3da..7734460 100644
--- a/src/sna/sna_dri2.c
+++ b/src/sna/sna_dri2.c
@@ -54,7 +54,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
 #endif

 #define DBG_CAN_FLIP 1
-#define DBG_CAN_XCHG 1
+#define DBG_CAN_XCHG 0

 #define DBG_FORCE_COPY -1 /* KGEM_BLT or KGEM_3D */

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