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authorBen Skeggs <bskeggs@redhat.com>2016-04-08 17:24:40 +1000
committerBen Skeggs <bskeggs@redhat.com>2016-05-20 14:43:04 +1000
commit70b01f07dbd093c96e9910ba613c3d40346ee222 (patch)
treef25d92f7268958c624caed9e04c757f476bd0937 /drivers/gpu/drm/nouveau
parent6defde5ab3e1d8b8fcd187517f878955b5e30465 (diff)
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>
Diffstat (limited to 'drivers/gpu/drm/nouveau')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c17
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h1
2 files changed, 16 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c
index 95183011510e..3793bc7889d5 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 @@ static void
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 fa2b2d610f1b..b80385b438b3 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 @@ struct nvkm_mc_func {
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);
};