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/**************************************************************************
* Copyright (c) 2011, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*
* Authors: Thomas Hellstrom <thomas-at-tungstengraphics.com>
**************************************************************************/
#include <drm/drmP.h>
#include "psb_drm.h"
#include "psb_drv.h"
#include "psb_reg.h"
#include "ttm/ttm_execbuf_util.h"
static void psb_powerdown_msvdx(struct work_struct *work)
{
struct psb_scheduler *scheduler =
container_of(work, struct psb_scheduler, msvdx_suspend_wq.work);
if (!mutex_trylock(&scheduler->msvdx_power_mutex))
return;
psb_try_power_down_msvdx(scheduler->dev);
mutex_unlock(&scheduler->msvdx_power_mutex);
}
int psb_scheduler_init(struct drm_device *dev,
struct psb_scheduler *scheduler)
{
memset(scheduler, 0, sizeof(*scheduler));
scheduler->dev = dev;
mutex_init(&scheduler->msvdx_power_mutex);
INIT_DELAYED_WORK(&scheduler->msvdx_suspend_wq,
&psb_powerdown_msvdx);
return 0;
}
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