drm/nouveau/mc: allow for local definition of reset bits
With the addition of PTOP-specified reset bits, it makes more sense to
move the definitions here rather than in individual subdev
implementations.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c
index 9518301..3793bc7 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c
@@ -81,8 +81,21 @@
nvkm_mc_reset_(struct nvkm_mc *mc, enum nvkm_devidx devidx)
{
struct nvkm_device *device = mc->subdev.device;
- struct nvkm_subdev *subdev = nvkm_device_subdev(device, devidx);
- u64 pmc_enable = subdev->pmc_enable;
+ const struct nvkm_mc_map *map;
+ u64 pmc_enable = 0;
+
+ for (map = mc->func->reset; map && map->stat; map++) {
+ if (map->unit == devidx) {
+ pmc_enable = map->stat;
+ break;
+ }
+ }
+
+ if (!pmc_enable) {
+ struct nvkm_subdev *subdev = nvkm_device_subdev(device, devidx);
+ pmc_enable = subdev->pmc_enable;
+ }
+
if (pmc_enable) {
nvkm_mask(device, 0x000200, pmc_enable, 0x00000000);
nvkm_mask(device, 0x000200, pmc_enable, pmc_enable);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h
index fa2b2d6..b80385b 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h
@@ -20,6 +20,7 @@
void (*intr_rearm)(struct nvkm_mc *);
/* retrieve pending interrupt mask (NV_PMC_INTR) */
u32 (*intr_mask)(struct nvkm_mc *);
+ const struct nvkm_mc_map *reset;
void (*unk260)(struct nvkm_mc *, u32);
};