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| author | Ben Skeggs <bskeggs@redhat.com> | 2023-09-19 17:55:57 -0400 |
|---|---|---|
| committer | Lyude Paul <lyude@redhat.com> | 2023-09-19 18:21:49 -0400 |
| commit | 12c9b05da9189a14f0db62ac4e31409bb4a87533 (patch) | |
| tree | 2513caced017d43e255c365df981568db6597751 /drivers/gpu/drm/nouveau/nvkm/core | |
| parent | d79d91026e7b2f94ffae08d2b63307810f84a890 (diff) | |
| download | linux-stable-12c9b05da9189a14f0db62ac4e31409bb4a87533.tar.gz linux-stable-12c9b05da9189a14f0db62ac4e31409bb4a87533.tar.bz2 linux-stable-12c9b05da9189a14f0db62ac4e31409bb4a87533.zip | |
drm/nouveau/imem: support allocations not preserved across suspend
Will initially be used to tag some large grctx allocations which don't
need to be saved, to speedup suspend/resume.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Acked-by: Danilo Krummrich <me@dakr.org>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230919220442.202488-3-lyude@redhat.com
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/core')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/core/memory.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/memory.c b/drivers/gpu/drm/nouveau/nvkm/core/memory.c index c69daac9bac7..a705c2dfca80 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/memory.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/memory.c @@ -140,12 +140,23 @@ nvkm_memory_new(struct nvkm_device *device, enum nvkm_memory_target target, { struct nvkm_instmem *imem = device->imem; struct nvkm_memory *memory; + bool preserve = true; int ret; - if (unlikely(target != NVKM_MEM_TARGET_INST || !imem)) + if (unlikely(!imem)) return -ENOSYS; - ret = nvkm_instobj_new(imem, size, align, zero, &memory); + switch (target) { + case NVKM_MEM_TARGET_INST_SR_LOST: + preserve = false; + break; + case NVKM_MEM_TARGET_INST: + break; + default: + return -ENOSYS; + } + + ret = nvkm_instobj_new(imem, size, align, zero, preserve, &memory); if (ret) return ret; |