On Thu, Jul 15, 2021 at 09:58:07AM +0800, lichenyang wrote:
> +int loongson_crtc_init(struct loongson_device *ldev, int index)
> +{
> + struct loongson_crtc *lcrtc;
> + u32 ret;
This should be "int ret;"
> +
> + lcrtc = kzalloc(sizeof(struct loongson_crtc), GFP_KERNEL);
> + if (lcrtc == NULL)
> + return -1;
> +
> + lcrtc->ldev = ldev;
> + lcrtc->reg_offset = index * REG_OFFSET;
> + lcrtc->cfg_reg = CFG_RESET;
> + lcrtc->crtc_id = index;
> +
> + ret = loongson_plane_init(lcrtc);
> + if (ret)
> + return ret;
> +
> + ret = drm_crtc_init_with_planes(ldev->dev, &lcrtc->base, lcrtc->plane,
> + NULL, &loongson_crtc_funcs, NULL);
> + if (ret) {
> + DRM_ERROR("failed to init crtc %d\n", index);
> + drm_plane_cleanup(lcrtc->plane);
> + return ret;
> + }
> +
> + drm_crtc_helper_add(&lcrtc->base, &loongson_crtc_helper_funcs);
> +
> + ldev->mode_info[index].crtc = lcrtc;
> +
> + return 0;
> +}
[ snip ]
> +int loongson_modeset_init(struct loongson_device *ldev)
> +{
> + struct drm_encoder *encoder;
> + struct drm_connector *connector;
> + int i;
> + u32 ret;
Same.
> +
> + ldev->dev->mode_config.allow_fb_modifiers = true;
regards,
dan carpenter
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