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yaml --- r: 218203 b: refs/heads/master c: 442b626 h: refs/heads/master i: 218201: 6c44a48 218199: b9f0b72 v: v3
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Ben Skeggs
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Sep 24, 2010
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,2 @@ | ||
| --- | ||
| refs/heads/master: 02c30ca0a1d6d8b878fc32f47b3b25192ef4a8ef | ||
| refs/heads/master: 442b626ece6fbbe7f52c03a09f85ae5755f29eab |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,79 @@ | ||
| /* | ||
| * Copyright 2010 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. | ||
| * | ||
| * Authors: Ben Skeggs | ||
| */ | ||
|
|
||
| #include "drmP.h" | ||
| #include "nouveau_drv.h" | ||
| #include "nouveau_hw.h" | ||
|
|
||
| struct nv04_pm_state { | ||
| struct pll_lims pll; | ||
| struct nouveau_pll_vals calc; | ||
| }; | ||
|
|
||
| int | ||
| nv04_pm_clock_get(struct drm_device *dev, u32 id) | ||
| { | ||
| return nouveau_hw_get_clock(dev, id); | ||
| } | ||
|
|
||
| void * | ||
| nv04_pm_clock_pre(struct drm_device *dev, u32 id, int khz) | ||
| { | ||
| struct nv04_pm_state *state; | ||
| int ret; | ||
|
|
||
| state = kzalloc(sizeof(*state), GFP_KERNEL); | ||
| if (!state) | ||
| return ERR_PTR(-ENOMEM); | ||
|
|
||
| ret = get_pll_limits(dev, id, &state->pll); | ||
| if (ret) { | ||
| kfree(state); | ||
| return ERR_PTR(ret); | ||
| } | ||
|
|
||
| ret = nouveau_calc_pll_mnp(dev, &state->pll, khz, &state->calc); | ||
| if (!ret) { | ||
| kfree(state); | ||
| return ERR_PTR(-EINVAL); | ||
| } | ||
|
|
||
| return state; | ||
| } | ||
|
|
||
| void | ||
| nv04_pm_clock_set(struct drm_device *dev, void *pre_state) | ||
| { | ||
| struct drm_nouveau_private *dev_priv = dev->dev_private; | ||
| struct nv04_pm_state *state = pre_state; | ||
| u32 reg = state->pll.reg; | ||
|
|
||
| /* thank the insane nouveau_hw_setpll() interface for this */ | ||
| if (dev_priv->card_type >= NV_40) | ||
| reg += 4; | ||
|
|
||
| nouveau_hw_setpll(dev, reg, &state->calc); | ||
| kfree(state); | ||
| } | ||
|
|