From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB

---
 kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacgf119.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacgf119.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacgf119.c
index edf7dd0..76425e8 100644
--- a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacgf119.c
+++ b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/disp/dmacgf119.c
@@ -53,6 +53,8 @@
 		nvkm_error(subdev, "ch %d fini: %08x\n", user,
 			   nvkm_rd32(device, 0x610490 + (ctrl * 0x10)));
 	}
+
+	chan->suspend_put = nvkm_rd32(device, 0x640000 + (ctrl * 0x1000));
 }
 
 static int
@@ -68,7 +70,7 @@
 	nvkm_wr32(device, 0x610498 + (ctrl * 0x0010), 0x00010000);
 	nvkm_wr32(device, 0x61049c + (ctrl * 0x0010), 0x00000001);
 	nvkm_mask(device, 0x610490 + (ctrl * 0x0010), 0x00000010, 0x00000010);
-	nvkm_wr32(device, 0x640000 + (ctrl * 0x1000), 0x00000000);
+	nvkm_wr32(device, 0x640000 + (ctrl * 0x1000), chan->suspend_put);
 	nvkm_wr32(device, 0x610490 + (ctrl * 0x0010), 0x00000013);
 
 	/* wait for it to go inactive */

--
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