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| author |   Ben Skeggs <bskeggs@redhat.com> | 2020-08-11 10:48:14 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2021-01-29 16:49:12 +1000 |
| commit | a708d8a7f6141370436c33690eba86fccb04f2c6 (patch) | |
| tree | 59a8b4c7e80dd173f2923f150191a6331dd850da | |
| parent | drm/nouveau/kms/gv100-: wait for less NVD pushbuf space for core updates without notify (diff) | |
| download | linux-dev-a708d8a7f6141370436c33690eba86fccb04f2c6.tar.xz linux-dev-a708d8a7f6141370436c33690eba86fccb04f2c6.zip | |
drm/nouveau/kms/nv50-: add module option to select EVO/NVD push buffer location
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/dispnv50/disp.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c index c6367035970e..bd7af3d76717 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c @@ -220,6 +220,10 @@ nv50_dmac_wait(struct nvif_push *push, u32 size) return 0; } +MODULE_PARM_DESC(kms_vram_pushbuf, "Place EVO/NVD push buffers in VRAM (default: auto)"); +static int nv50_dmac_vram_pushbuf = -1; +module_param_named(kms_vram_pushbuf, nv50_dmac_vram_pushbuf, int, 0400); + int nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp, const s32 *oclass, u8 head, void *data, u32 size, s64 syncbuf, @@ -241,7 +245,8 @@ nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp, * * This appears to match NVIDIA's behaviour on Pascal. */ - if (device->info.family == NV_DEVICE_INFO_V0_PASCAL) + if ((nv50_dmac_vram_pushbuf > 0) || + (nv50_dmac_vram_pushbuf < 0 && device->info.family == NV_DEVICE_INFO_V0_PASCAL)) type |= NVIF_MEM_VRAM; ret = nvif_mem_ctor_map(&cli->mmu, "kmsChanPush", type, 0x1000, |