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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>
This commit is contained in:
Ben Skeggs 2016-04-08 17:24:40 +10:00
parent 6defde5ab3
commit 70b01f07db
2 changed files with 16 additions and 2 deletions
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17
drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c
View File

@ -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);

1
drivers/gpu/drm/nouveau/nvkm/subdev/mc/priv.h
View File

@ -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);
};