drm/nouveau/falcon: avoid touching registers if engine is off (a5176a4c) · Commits · 戴 / test

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

+5 −2

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

	#include <core/gpuobj.h>		#include <core/gpuobj.h>
			#include <subdev/mc.h>
	#include <subdev/timer.h>		#include <subdev/timer.h>
	#include <engine/fifo.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_mask(device, base + 0x048, 0x00000003, 0x00000000);
	nvkm_wr32(device, base + 0x014, 0xffffffff);		nvkm_wr32(device, base + 0x014, 0xffffffff);
			}
	return 0;		return 0;
	}		}