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path: root/drivers/gpu/drm/nouveau/nv04_pm.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_pm.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv04_pm.c107
1 files changed, 30 insertions, 77 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_pm.c b/drivers/gpu/drm/nouveau/nv04_pm.c
index 6e75899..eb1c70d 100644
--- a/drivers/gpu/drm/nouveau/nv04_pm.c
+++ b/drivers/gpu/drm/nouveau/nv04_pm.c
@@ -27,111 +27,64 @@
#include "nouveau_hw.h"
#include "nouveau_pm.h"
-int
-nv04_pm_clocks_get(struct drm_device *dev, struct nouveau_pm_level *perflvl)
-{
- int ret;
-
- ret = nouveau_hw_get_clock(dev, PLL_CORE);
- if (ret < 0)
- return ret;
- perflvl->core = ret;
-
- ret = nouveau_hw_get_clock(dev, PLL_MEMORY);
- if (ret < 0)
- return ret;
- perflvl->memory = ret;
-
- return 0;
-}
-
-struct nv04_pm_clock {
+struct nv04_pm_state {
struct pll_lims pll;
struct nouveau_pll_vals calc;
};
-struct nv04_pm_state {
- struct nv04_pm_clock core;
- struct nv04_pm_clock memory;
-};
-
-static int
-calc_pll(struct drm_device *dev, u32 id, int khz, struct nv04_pm_clock *clk)
+int
+nv04_pm_clock_get(struct drm_device *dev, u32 id)
{
- int ret;
-
- ret = get_pll_limits(dev, id, &clk->pll);
- if (ret)
- return ret;
-
- ret = nouveau_calc_pll_mnp(dev, &clk->pll, khz, &clk->calc);
- if (!ret)
- return -EINVAL;
-
- return 0;
+ return nouveau_hw_get_clock(dev, id);
}
void *
-nv04_pm_clocks_pre(struct drm_device *dev, struct nouveau_pm_level *perflvl)
+nv04_pm_clock_pre(struct drm_device *dev, struct nouveau_pm_level *perflvl,
+ u32 id, int khz)
{
- struct nv04_pm_state *info;
+ struct nv04_pm_state *state;
int ret;
- info = kzalloc(sizeof(*info), GFP_KERNEL);
- if (!info)
+ state = kzalloc(sizeof(*state), GFP_KERNEL);
+ if (!state)
return ERR_PTR(-ENOMEM);
- ret = calc_pll(dev, PLL_CORE, perflvl->core, &info->core);
- if (ret)
- goto error;
+ ret = get_pll_limits(dev, id, &state->pll);
+ if (ret) {
+ kfree(state);
+ return (ret == -ENOENT) ? NULL : ERR_PTR(ret);
+ }
- if (perflvl->memory) {
- ret = calc_pll(dev, PLL_MEMORY, perflvl->memory, &info->memory);
- if (ret)
- goto error;
+ ret = nouveau_calc_pll_mnp(dev, &state->pll, khz, &state->calc);
+ if (!ret) {
+ kfree(state);
+ return ERR_PTR(-EINVAL);
}
- return info;
-error:
- kfree(info);
- return ERR_PTR(ret);
+ return state;
}
-static void
-prog_pll(struct drm_device *dev, struct nv04_pm_clock *clk)
+void
+nv04_pm_clock_set(struct drm_device *dev, void *pre_state)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- u32 reg = clk->pll.reg;
+ 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, &clk->calc);
-}
-
-int
-nv04_pm_clocks_set(struct drm_device *dev, void *pre_state)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
- struct nv04_pm_state *state = pre_state;
+ nouveau_hw_setpll(dev, reg, &state->calc);
- prog_pll(dev, &state->core);
+ if (dev_priv->card_type < NV_30 && reg == NV_PRAMDAC_MPLL_COEFF) {
+ if (dev_priv->card_type == NV_20)
+ nv_mask(dev, 0x1002c4, 0, 1 << 20);
- if (state->memory.pll.reg) {
- prog_pll(dev, &state->memory);
- if (dev_priv->card_type < NV_30) {
- if (dev_priv->card_type == NV_20)
- nv_mask(dev, 0x1002c4, 0, 1 << 20);
-
- /* Reset the DLLs */
- nv_mask(dev, 0x1002c0, 0, 1 << 8);
- }
+ /* Reset the DLLs */
+ nv_mask(dev, 0x1002c0, 0, 1 << 8);
}
- ptimer->init(dev);
-
kfree(state);
- return 0;
}
+