From 360f1032d2a19e9ca1e015baa2bea839a0f1b0fc Mon Sep 17 00:00:00 2001
From: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Date: Tue, 26 Jan 2021 16:41:37 -0500
Subject: [PATCH] zink: disable push descriptors on amd

I'm told this is bad for perf

Reviewed-by: Dave Airlie <airlied@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10998>
---
 src/gallium/drivers/zink/zink_screen.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/gallium/drivers/zink/zink_screen.c b/src/gallium/drivers/zink/zink_screen.c
index 1c8e6db5dc0..3457a5bde8d 100644
--- a/src/gallium/drivers/zink/zink_screen.c
+++ b/src/gallium/drivers/zink/zink_screen.c
@@ -1630,6 +1630,11 @@ zink_internal_create_screen(const struct pipe_screen_config *config)
    if (!screen->dev)
       goto fail;
 
+   if (screen->info.driver_props.driverID == VK_DRIVER_ID_MESA_RADV ||
+       screen->info.driver_props.driverID == VK_DRIVER_ID_AMD_OPEN_SOURCE ||
+       screen->info.driver_props.driverID == VK_DRIVER_ID_AMD_PROPRIETARY)
+      /* this has bad perf on AMD */
+      screen->info.have_KHR_push_descriptor = false;
    if (!load_device_extensions(screen))
       goto fail;