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Commit 56c3bf18 authored by Ilia Mirkin's avatar Ilia Mirkin Committed by Greg Kroah-Hartman
Browse files

drm/nouveau/falcon: avoid touching registers if engine is off 

[ Upstream commit a5176a4cb85bb6213daadf691097cf411da35df2 ]

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108980


Signed-off-by: default avatarIlia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 7ed4f5c8

drivers/gpu/drm/nouveau/nvkm/engine/falcon.c

+5 −2
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ 
#include <engine/falcon.h>



#include <core/gpuobj.h>

#include <subdev/mc.h>

#include <subdev/timer.h>

#include <engine/fifo.h>
@@ -107,8 +108,10 @@ nvkm_falcon_fini(struct nvkm_engine *engine, bool suspend) 
		}

	}



	if (nvkm_mc_enabled(device, engine->subdev.index)) {

		nvkm_mask(device, base + 0x048, 0x00000003, 0x00000000);

		nvkm_wr32(device, base + 0x014, 0xffffffff);

	}

	return 0;

}