linux-imx

/*

 * Copyright 2009 Red Hat Inc.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in

 * all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR

 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,

 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

 * OTHER DEALINGS IN THE SOFTWARE.

 *

 * Author: Ben Skeggs

 */

​

#include <drm/drmP.h>

#include <drm/drm_crtc_helper.h>

​

#include "nouveau_drv.h"

#include "nouveau_reg.h"

#include "hw.h"

#include "nouveau_encoder.h"

#include "nouveau_connector.h"

#include "nouveau_bo.h"

​

#include <nvif/if0004.h>

​

static void

nv04_display_fini(struct drm_device *dev, bool suspend)

{

    struct nv04_display *disp = nv04_display(dev);

    struct drm_crtc *crtc;

​

    /* Disable flip completion events. */

    nvif_notify_put(&disp->flip);

​

    /* Disable vblank interrupts. */

    NVWriteCRTC(dev, 0, NV_PCRTC_INTR_EN_0, 0);

    if (nv_two_heads(dev))

        NVWriteCRTC(dev, 1, NV_PCRTC_INTR_EN_0, 0);

​

    if (!suspend)

        return;

​

    /* Un-pin FB and cursors so they'll be evicted to system memory. */

    list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {

        struct nouveau_framebuffer *nouveau_fb;

​

        nouveau_fb = nouveau_framebuffer(crtc->primary->fb);

        if (!nouveau_fb || !nouveau_fb->nvbo)

            continue;

​

        nouveau_bo_unpin(nouveau_fb->nvbo);

    }