diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/subdev/devinit.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c | 8 |
3 files changed, 13 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/devinit.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/devinit.h index 193626c..709d786 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/devinit.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/devinit.h @@ -7,6 +7,7 @@ struct nvkm_devinit { const struct nvkm_devinit_func *func; struct nvkm_subdev subdev; bool post; + bool force_post; }; u32 nvkm_devinit_mmio(struct nvkm_devinit *, u32 addr); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c index 5f25402..9edd537 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/base.c @@ -83,6 +83,12 @@ nvkm_devinit_preinit(struct nvkm_subdev *subdev) if (init->func->preinit) init->func->preinit(init); + /* Override the post flag during the first call if NvForcePost is set */ + if (init->force_post) { + init->post = init->force_post; + init->force_post = false; + } + /* unlock the extended vga crtc regs */ nvkm_lockvgac(subdev->device, false); return 0; @@ -126,5 +132,5 @@ nvkm_devinit_ctor(const struct nvkm_devinit_func *func, { nvkm_subdev_ctor(&nvkm_devinit, device, index, 0, &init->subdev); init->func = func; - init->post = nvkm_boolopt(device->cfgopt, "NvForcePost", false); + init->force_post = nvkm_boolopt(device->cfgopt, "NvForcePost", false); } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c index 2923598..8b1b34c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gf100.c @@ -97,9 +97,11 @@ gf100_devinit_preinit(struct nvkm_devinit *base) struct nvkm_subdev *subdev = &init->base.subdev; struct nvkm_device *device = subdev->device; - /* This bit is set by devinit, and flips back to 0 on suspend */ - if (!base->post) - base->post = ((nvkm_rd32(device, 0x2240c) & BIT(1)) == 0); + /* + * This bit is set by devinit, and flips back to 0 on suspend. We + * can use it as a reliable way to know whether we should run devinit. + */ + base->post = ((nvkm_rd32(device, 0x2240c) & BIT(1)) == 0); } static const struct nvkm_devinit_func |
