Mesa (staging/19.2): radv: Add workaround for hang in The Surge 2.

[GitLab Mirror]

Module: Mesa
Branch: staging/19.2
Commit: 5037ffb646d4be7c6f22dc5f2b9fee948561a546
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=5037ffb646d4be7c6f22dc5f2b9fee948561a546

Author: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>
Date:   Tue Sep 24 02:53:21 2019 +0200

radv: Add workaround for hang in The Surge 2.

Released today and hangs on RADV. We don't have the root cause yet,
but this should unblock people playing the game.

No drirc because the radv debugflags are not usable from drirc and
I want this backported.

CC: <mesa-stable at lists.freedesktop.org>
Reviewed-by: Dave Airlie <airlied at redhat.com>
(cherry picked from commit 780182f0a0caa9b6f48f87b1930b3bcba1ac9319)

---

 src/amd/vulkan/radv_device.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/amd/vulkan/radv_device.c b/src/amd/vulkan/radv_device.c
index f87e17527e0..4fdad7f5c6d 100644
--- a/src/amd/vulkan/radv_device.c
+++ b/src/amd/vulkan/radv_device.c
@@ -575,6 +575,14 @@ radv_handle_per_app_options(struct radv_instance *instance,
 			 */
 			instance->perftest_flags |= RADV_PERFTEST_SHADER_BALLOT;
 		}
+	} else if (!strcmp(name, "Fledge")) {
+		/*
+		 * Zero VRAM for "The Surge 2"
+		 *
+		 * This avoid a hang when when rendering any level. Likely
+		 * uninitialized data in an indirect draw.
+		 */
+		instance->debug_flags |= RADV_DEBUG_ZERO_VRAM;
 	}
 }