GFX_STALL        5094 drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c 		tmp = REG_SET_FIELD(tmp, GMCON_DEBUG, GFX_STALL, 1);
GFX_STALL        5130 drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c 		tmp = REG_SET_FIELD(tmp, GMCON_DEBUG, GFX_STALL, 0);