diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_display.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/headgf119.c | 3 |
2 files changed, 8 insertions, 3 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index f7b4326a4641..1449a2c8a1e9 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -4451,11 +4451,13 @@ nv50_display_create(struct drm_device *dev) /* create crtc objects to represent the hw heads */ if (disp->disp->oclass >= GF110_DISP) - crtcs = nvif_rd32(&device->object, 0x022448); + crtcs = nvif_rd32(&device->object, 0x612004) & 0xf; else - crtcs = 2; + crtcs = 0x3; - for (i = 0; i < crtcs; i++) { + for (i = 0; i < fls(crtcs); i++) { + if (!(crtcs & (1 << i))) + continue; ret = nv50_head_create(dev, i); if (ret) goto out; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/headgf119.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/headgf119.c index b33552757647..9fd7ae331308 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/headgf119.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/headgf119.c @@ -92,5 +92,8 @@ gf119_head = { int gf119_head_new(struct nvkm_disp *disp, int id) { + struct nvkm_device *device = disp->engine.subdev.device; + if (!(nvkm_rd32(device, 0x612004) & (0x00000001 << id))) + return 0; return nvkm_head_new_(&gf119_head, disp, id); } |