int nouveau_grctx_prog_load(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph; const int chipset = dev_priv->chipset; const struct firmware *fw; const struct nouveau_ctxprog *cp; const struct nouveau_ctxvals *cv; char name[32]; int ret, i; if (pgraph->accel_blocked) return -ENODEV; if (!pgraph->ctxprog) { sprintf(name, "nouveau/nv%02x.ctxprog", chipset); ret = request_firmware(&fw, name, &dev->pdev->dev); if (ret) { NV_ERROR(dev, "No ctxprog for NV%02x\n", chipset); return ret; } pgraph->ctxprog = kmemdup(fw->data, fw->size, GFP_KERNEL); if (!pgraph->ctxprog) { NV_ERROR(dev, "OOM copying ctxprog\n"); release_firmware(fw); return -ENOMEM; } cp = pgraph->ctxprog; if (le32_to_cpu(cp->signature) != 0x5043564e || cp->version != 0 || le16_to_cpu(cp->length) != ((fw->size - 7) / 4)) { NV_ERROR(dev, "ctxprog invalid\n"); release_firmware(fw); nouveau_grctx_fini(dev); return -EINVAL; } release_firmware(fw); } if (!pgraph->ctxvals) { sprintf(name, "nouveau/nv%02x.ctxvals", chipset); ret = request_firmware(&fw, name, &dev->pdev->dev); if (ret) { NV_ERROR(dev, "No ctxvals for NV%02x\n", chipset); nouveau_grctx_fini(dev); return ret; } pgraph->ctxvals = kmemdup(fw->data, fw->size, GFP_KERNEL); if (!pgraph->ctxvals) { NV_ERROR(dev, "OOM copying ctxvals\n"); release_firmware(fw); nouveau_grctx_fini(dev); return -ENOMEM; } cv = (void *)pgraph->ctxvals; if (le32_to_cpu(cv->signature) != 0x5643564e || cv->version != 0 || le32_to_cpu(cv->length) != ((fw->size - 9) / 8)) { NV_ERROR(dev, "ctxvals invalid\n"); release_firmware(fw); nouveau_grctx_fini(dev); return -EINVAL; } release_firmware(fw); } cp = pgraph->ctxprog; nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0); for (i = 0; i < le16_to_cpu(cp->length); i++) nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA, le32_to_cpu(cp->data[i])); return 0; }
void nv50_graph_takedown(struct drm_device *dev) { NV_DEBUG(dev, "\n"); nouveau_grctx_fini(dev); }