diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c index 25603b01d6f8..e5320ef849bf 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c @@ -25,6 +25,7 @@ #include "priv.h" #include <core/ramht.h> +#include <subdev/bar.h> struct nv04_instmem { struct nvkm_instmem base; @@ -154,6 +155,48 @@ nv04_instmem_wr32(struct nvkm_instmem *imem, u32 addr, u32 data) nvkm_wr32(imem->subdev.device, 0x700000 + addr, data); } +void +nv04_instmem_resume(struct nvkm_instmem *imem) +{ + struct nvkm_instobj *iobj; + + list_for_each_entry(iobj, &imem->boot, head) { + if (iobj->suspend) + nvkm_instobj_load(iobj); + } + + nvkm_bar_bar2_init(imem->subdev.device); + + list_for_each_entry(iobj, &imem->list, head) { + if (iobj->suspend) + nvkm_instobj_load(iobj); + } +} + +int +nv04_instmem_suspend(struct nvkm_instmem *imem) +{ + struct nvkm_instobj *iobj; + + list_for_each_entry(iobj, &imem->list, head) { + if (iobj->preserve) { + int ret = nvkm_instobj_save(iobj); + if (ret) + return ret; + } + } + + nvkm_bar_bar2_fini(imem->subdev.device); + + list_for_each_entry(iobj, &imem->boot, head) { + int ret = nvkm_instobj_save(iobj); + if (ret) + return ret; + } + + return 0; +} + static int nv04_instmem_oneinit(struct nvkm_instmem *base) { @@ -210,6 +253,8 @@ static const struct nvkm_instmem_func nv04_instmem = { .dtor = nv04_instmem_dtor, .oneinit = nv04_instmem_oneinit, + .suspend = nv04_instmem_suspend, + .resume = nv04_instmem_resume, .rd32 = nv04_instmem_rd32, .wr32 = nv04_instmem_wr32, .memory_new = nv04_instobj_new, |