From ab724be7a3d9ae47e80938ad00b111a62bf4266b Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Tue, 19 Sep 2023 06:21:23 +1000 Subject: [PATCH] drm/nouveau/pmu/tu102-: prepare for GSP-RM - disable PMU completely when GSP-RM detected Signed-off-by: Ben Skeggs Signed-off-by: Dave Airlie Link: https://patchwork.freedesktop.org/patch/msgid/20230918202149.4343-19-skeggsb@gmail.com --- drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c index cd3148360996..da5b2b2190d3 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c @@ -23,6 +23,8 @@ */ #include "priv.h" +#include + static const struct nvkm_falcon_func gp102_pmu_flcn = { .disable = gm200_flcn_disable, @@ -54,5 +56,8 @@ int gp102_pmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_pmu **ppmu) { + if (nvkm_gsp_rm(device->gsp)) + return -ENODEV; + return nvkm_pmu_new_(gp102_pmu_fwif, device, type, inst, ppmu); }