Mesa (master): iris/icl: Add WA_2204188704 to disable pixel shader panic dispatch

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Module: Mesa
Branch: master
Commit: 9c421d6b47e0c5f206959acd68814b63232946be
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9c421d6b47e0c5f206959acd68814b63232946be

Author: Anuj Phogat <anuj.phogat at gmail.com>
Date:   Tue Mar 26 15:46:24 2019 -0700

iris/icl: Add WA_2204188704 to disable pixel shader panic dispatch

Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/gallium/drivers/iris/iris_state.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/gallium/drivers/iris/iris_state.c b/src/gallium/drivers/iris/iris_state.c
index ddce0023dbe..8f93b733643 100644
--- a/src/gallium/drivers/iris/iris_state.c
+++ b/src/gallium/drivers/iris/iris_state.c
@@ -714,6 +714,13 @@ iris_init_render_context(struct iris_screen *screen,
       }
       iris_emit_lri(batch, HALF_SLICE_CHICKEN7, reg_val);
 
+      /* WA_2204188704: Pixel Shader Panic dispatch must be disabled. */
+      iris_pack_state(GENX(COMMON_SLICE_CHICKEN3), &reg_val, reg) {
+         reg.PSThreadPanicDispatch = 0x3;
+         reg.PSThreadPanicDispatchMask = 0x3;
+      }
+      iris_emit_lri(batch, COMMON_SLICE_CHICKEN3, reg_val);
+
       // XXX: 3D_MODE?
 #endif