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authorBen Skeggs <bskeggs@redhat.com>2012-07-10 11:26:46 +0400
committerBen Skeggs <bskeggs@redhat.com>2012-10-03 07:12:47 +0400
commit70790f4f819875e8f390871fd15bbbf823f28e1b (patch)
tree47949ac5a0af23a9fe1ace1ac5fd8b8823b8e055 /drivers/gpu/drm/nouveau/nv50_crtc.c
parent8aceb7de47ea2491abc1a577dc875b19e9947a54 (diff)
downloadlinux-70790f4f819875e8f390871fd15bbbf823f28e1b.tar.xz
drm/nouveau/clock: pull in the implementation from all over the place
Still missing the main bits we use to change performance levels, I'll get to it after all the hard yakka has been finished. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_crtc.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv50_crtc.c50
1 files changed, 1 insertions, 49 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c
index 22cebd5dd694..40042c1bbc6e 100644
--- a/drivers/gpu/drm/nouveau/nv50_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv50_crtc.c
@@ -329,55 +329,7 @@ nv50_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update)
int
nv50_crtc_set_clock(struct drm_device *dev, int head, int pclk)
{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct pll_lims pll;
- uint32_t reg1, reg2;
- int ret, N1, M1, N2, M2, P;
-
- ret = get_pll_limits(dev, PLL_VPLL0 + head, &pll);
- if (ret)
- return ret;
-
- if (pll.vco2.maxfreq) {
- ret = nv50_calc_pll(dev, &pll, pclk, &N1, &M1, &N2, &M2, &P);
- if (ret <= 0)
- return 0;
-
- NV_DEBUG(dev, "pclk %d out %d NM1 %d %d NM2 %d %d P %d\n",
- pclk, ret, N1, M1, N2, M2, P);
-
- reg1 = nv_rd32(dev, pll.reg + 4) & 0xff00ff00;
- reg2 = nv_rd32(dev, pll.reg + 8) & 0x8000ff00;
- nv_wr32(dev, pll.reg + 0, 0x10000611);
- nv_wr32(dev, pll.reg + 4, reg1 | (M1 << 16) | N1);
- nv_wr32(dev, pll.reg + 8, reg2 | (P << 28) | (M2 << 16) | N2);
- } else
- if (dev_priv->chipset < NV_C0) {
- ret = nva3_calc_pll(dev, &pll, pclk, &N1, &N2, &M1, &P);
- if (ret <= 0)
- return 0;
-
- NV_DEBUG(dev, "pclk %d out %d N %d fN 0x%04x M %d P %d\n",
- pclk, ret, N1, N2, M1, P);
-
- reg1 = nv_rd32(dev, pll.reg + 4) & 0xffc00000;
- nv_wr32(dev, pll.reg + 0, 0x50000610);
- nv_wr32(dev, pll.reg + 4, reg1 | (P << 16) | (M1 << 8) | N1);
- nv_wr32(dev, pll.reg + 8, N2);
- } else {
- ret = nva3_calc_pll(dev, &pll, pclk, &N1, &N2, &M1, &P);
- if (ret <= 0)
- return 0;
-
- NV_DEBUG(dev, "pclk %d out %d N %d fN 0x%04x M %d P %d\n",
- pclk, ret, N1, N2, M1, P);
-
- nv_mask(dev, pll.reg + 0x0c, 0x00000000, 0x00000100);
- nv_wr32(dev, pll.reg + 0x04, (P << 16) | (N1 << 8) | M1);
- nv_wr32(dev, pll.reg + 0x10, N2 << 16);
- }
-
- return 0;
+ return setPLL(dev, PLL_VPLL0 + head, pclk);
}
static void