From 36f1317ed05f76bfafb442f70575cdaed6da2d8c Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Thu, 27 Oct 2011 10:24:12 +1000 Subject: [PATCH] drm/nv04-nv30/pm: port to newer interfaces Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_pm.h | 7 +- drivers/gpu/drm/nouveau/nouveau_state.c | 24 +++--- drivers/gpu/drm/nouveau/nv04_pm.c | 109 +++++++++++++++++------- 3 files changed, 91 insertions(+), 49 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_pm.h b/drivers/gpu/drm/nouveau/nouveau_pm.h index 06df411ca5f..663088d3042 100644 --- a/drivers/gpu/drm/nouveau/nouveau_pm.h +++ b/drivers/gpu/drm/nouveau/nouveau_pm.h @@ -47,10 +47,9 @@ void nouveau_mem_timing_init(struct drm_device *); void nouveau_mem_timing_fini(struct drm_device *); /* nv04_pm.c */ -int nv04_pm_clock_get(struct drm_device *, u32 id); -void *nv04_pm_clock_pre(struct drm_device *, struct nouveau_pm_level *, - u32 id, int khz); -void nv04_pm_clock_set(struct drm_device *, void *); +int nv04_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *); +void *nv04_pm_clocks_pre(struct drm_device *, struct nouveau_pm_level *); +int nv04_pm_clocks_set(struct drm_device *, void *); /* nv40_pm.c */ int nv40_pm_clocks_get(struct drm_device *, struct nouveau_pm_level *); diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c index 6b4aaec648b..3e3798f7f36 100644 --- a/drivers/gpu/drm/nouveau/nouveau_state.c +++ b/drivers/gpu/drm/nouveau/nouveau_state.c @@ -87,9 +87,9 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) engine->gpio.get = NULL; engine->gpio.set = NULL; engine->gpio.irq_enable = NULL; - engine->pm.clock_get = nv04_pm_clock_get; - engine->pm.clock_pre = nv04_pm_clock_pre; - engine->pm.clock_set = nv04_pm_clock_set; + engine->pm.clocks_get = nv04_pm_clocks_get; + engine->pm.clocks_pre = nv04_pm_clocks_pre; + engine->pm.clocks_set = nv04_pm_clocks_set; engine->vram.init = nouveau_mem_detect; engine->vram.takedown = nouveau_stub_takedown; engine->vram.flags_valid = nouveau_mem_flags_valid; @@ -136,9 +136,9 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) engine->gpio.get = nv10_gpio_get; engine->gpio.set = nv10_gpio_set; engine->gpio.irq_enable = NULL; - engine->pm.clock_get = nv04_pm_clock_get; - engine->pm.clock_pre = nv04_pm_clock_pre; - engine->pm.clock_set = nv04_pm_clock_set; + engine->pm.clocks_get = nv04_pm_clocks_get; + engine->pm.clocks_pre = nv04_pm_clocks_pre; + engine->pm.clocks_set = nv04_pm_clocks_set; engine->vram.init = nouveau_mem_detect; engine->vram.takedown = nouveau_stub_takedown; engine->vram.flags_valid = nouveau_mem_flags_valid; @@ -185,9 +185,9 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) engine->gpio.get = nv10_gpio_get; engine->gpio.set = nv10_gpio_set; engine->gpio.irq_enable = NULL; - engine->pm.clock_get = nv04_pm_clock_get; - engine->pm.clock_pre = nv04_pm_clock_pre; - engine->pm.clock_set = nv04_pm_clock_set; + engine->pm.clocks_get = nv04_pm_clocks_get; + engine->pm.clocks_pre = nv04_pm_clocks_pre; + engine->pm.clocks_set = nv04_pm_clocks_set; engine->vram.init = nouveau_mem_detect; engine->vram.takedown = nouveau_stub_takedown; engine->vram.flags_valid = nouveau_mem_flags_valid; @@ -234,9 +234,9 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev) engine->gpio.get = nv10_gpio_get; engine->gpio.set = nv10_gpio_set; engine->gpio.irq_enable = NULL; - engine->pm.clock_get = nv04_pm_clock_get; - engine->pm.clock_pre = nv04_pm_clock_pre; - engine->pm.clock_set = nv04_pm_clock_set; + engine->pm.clocks_get = nv04_pm_clocks_get; + engine->pm.clocks_pre = nv04_pm_clocks_pre; + engine->pm.clocks_set = nv04_pm_clocks_set; engine->pm.voltage_get = nouveau_voltage_gpio_get; engine->pm.voltage_set = nouveau_voltage_gpio_set; engine->vram.init = nouveau_mem_detect; diff --git a/drivers/gpu/drm/nouveau/nv04_pm.c b/drivers/gpu/drm/nouveau/nv04_pm.c index 9ae92a87b8c..6e7589918fa 100644 --- a/drivers/gpu/drm/nouveau/nv04_pm.c +++ b/drivers/gpu/drm/nouveau/nv04_pm.c @@ -27,68 +27,111 @@ #include "nouveau_hw.h" #include "nouveau_pm.h" -struct nv04_pm_state { +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 pll_lims pll; struct nouveau_pll_vals calc; }; -int -nv04_pm_clock_get(struct drm_device *dev, u32 id) +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) { - return nouveau_hw_get_clock(dev, 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; } void * -nv04_pm_clock_pre(struct drm_device *dev, struct nouveau_pm_level *perflvl, - u32 id, int khz) +nv04_pm_clocks_pre(struct drm_device *dev, struct nouveau_pm_level *perflvl) { - struct nv04_pm_state *state; + struct nv04_pm_state *info; int ret; - state = kzalloc(sizeof(*state), GFP_KERNEL); - if (!state) + info = kzalloc(sizeof(*info), GFP_KERNEL); + if (!info) return ERR_PTR(-ENOMEM); - ret = get_pll_limits(dev, id, &state->pll); - if (ret) { - kfree(state); - return (ret == -ENOENT) ? NULL : ERR_PTR(ret); - } + ret = calc_pll(dev, PLL_CORE, perflvl->core, &info->core); + if (ret) + goto error; - ret = nouveau_calc_pll_mnp(dev, &state->pll, khz, &state->calc); - if (!ret) { - kfree(state); - return ERR_PTR(-EINVAL); + if (perflvl->memory) { + ret = calc_pll(dev, PLL_MEMORY, perflvl->memory, &info->memory); + if (ret) + goto error; } - return state; + return info; +error: + kfree(info); + return ERR_PTR(ret); } -void -nv04_pm_clock_set(struct drm_device *dev, void *pre_state) +static void +prog_pll(struct drm_device *dev, struct nv04_pm_clock *clk) { 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; - u32 reg = state->pll.reg; + u32 reg = clk->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); + 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; + + 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); + } } - if (reg == NV_PRAMDAC_NVPLL_COEFF) - ptimer->init(dev); + ptimer->init(dev); kfree(state); + return 0; } - -- 2.41.0