static int nouveau_platform_probe(struct platform_device *pdev)
{
struct nouveau_platform_gpu *gpu;
struct nouveau_platform_device *device;
struct drm_device *drm;
int err;
gpu = devm_kzalloc(&pdev->dev, sizeof(*gpu), GFP_KERNEL);
if (!gpu)
return -ENOMEM;
gpu->vdd = devm_regulator_get(&pdev->dev, "vdd");
if (IS_ERR(gpu->vdd))
return PTR_ERR(gpu->vdd);
gpu->rst = devm_reset_control_get(&pdev->dev, "gpu");
if (IS_ERR(gpu->rst))
return PTR_ERR(gpu->rst);
gpu->clk = devm_clk_get(&pdev->dev, "gpu");
if (IS_ERR(gpu->clk))
return PTR_ERR(gpu->clk);
gpu->clk_pwr = devm_clk_get(&pdev->dev, "pwr");
if (IS_ERR(gpu->clk_pwr))
return PTR_ERR(gpu->clk_pwr);
err = nouveau_platform_power_up(gpu);
if (err)
return err;
drm = nouveau_platform_device_create(pdev, &device);
if (IS_ERR(drm)) {
err = PTR_ERR(drm);
goto power_down;
}
device->gpu = gpu;
err = drm_dev_register(drm, 0);
if (err < 0)
goto err_unref;
return 0;
err_unref:
drm_dev_unref(drm);
return 0;
power_down:
nouveau_platform_power_down(gpu);
return err;
}
static int nouveau_platform_probe(struct platform_device *pdev)
{
struct nouveau_device *device;
struct drm_device *drm;
int ret;
drm = nouveau_platform_device_create(pdev, &device);
if (IS_ERR(drm))
return PTR_ERR(drm);
ret = drm_dev_register(drm, 0);
if (ret < 0) {
drm_dev_unref(drm);
return ret;
}
return 0;
}