/*
* Copyright 1993-2003 NVIDIA, Corporation
* Copyright 2006 Dave Airlie
* Copyright 2007 Maarten Maathuis
*
* 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 (including the next
* paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include <drm/drm_crtc_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_plane_helper.h>
#include <drm/drm_vblank.h>
#include "nouveau_drv.h"
#include "nouveau_reg.h"
#include "nouveau_ttm.h"
#include "nouveau_bo.h"
#include "nouveau_gem.h"
#include "nouveau_encoder.h"
#include "nouveau_connector.h"
#include "nouveau_crtc.h"
#include "hw.h"
#include "nvreg.h"
#include "nouveau_fbcon.h"
#include "disp.h"
#include "nouveau_dma.h"
#include <subdev/bios/pll.h>
#include <subdev/clk.h>
#include <nvif/event.h>
#include <nvif/cl0046.h>
static int
nv04_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
struct drm_framebuffer *old_fb);
static void
crtc_wr_cio_state(struct drm_crtc *crtc, struct nv04_crtc_reg *crtcstate, int index)
{
NVWriteVgaCrtc(crtc->dev, nouveau_crtc(crtc)->index, index,
crtcstate->CRTC[index]);
}
static void nv_crtc_set_digital_vibrance(struct drm_crtc *crtc, int level)
{
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index];
regp->CRTC[NV_CIO_CRE_CSB] = nv_crtc->saturation = level;
if (nv_crtc->saturation && nv_gf4_disp_arch(crtc->dev))