diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nva3_pm.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nva3_pm.c | 122 |
1 files changed, 110 insertions, 12 deletions
diff --git a/drivers/gpu/drm/nouveau/nva3_pm.c b/drivers/gpu/drm/nouveau/nva3_pm.c index 0f93c54de80c..3d397845dca9 100644 --- a/drivers/gpu/drm/nouveau/nva3_pm.c +++ b/drivers/gpu/drm/nouveau/nva3_pm.c @@ -235,6 +235,7 @@ nva3_pm_clocks_get(struct drm_device *dev, struct nouveau_pm_level *perflvl) } struct nva3_pm_state { + struct nouveau_pm_level *perflvl; struct creg nclk; struct creg sclk; struct creg mclk; @@ -272,6 +273,7 @@ nva3_pm_clocks_pre(struct drm_device *dev, struct nouveau_pm_level *perflvl) if (ret < 0) goto out; + info->perflvl = perflvl; out: if (ret < 0) { kfree(info); @@ -292,6 +294,112 @@ nva3_pm_grcp_idle(void *data) return false; } +static void +mclk_precharge(struct nouveau_mem_exec_func *exec) +{ + nv_wr32(exec->dev, 0x1002d4, 0x00000001); +} + +static void +mclk_refresh(struct nouveau_mem_exec_func *exec) +{ + nv_wr32(exec->dev, 0x1002d0, 0x00000001); +} + +static void +mclk_refresh_auto(struct nouveau_mem_exec_func *exec, bool enable) +{ + nv_wr32(exec->dev, 0x100210, enable ? 0x80000000 : 0x00000000); +} + +static void +mclk_refresh_self(struct nouveau_mem_exec_func *exec, bool enable) +{ + nv_wr32(exec->dev, 0x1002dc, enable ? 0x00000001 : 0x00000000); +} + +static void +mclk_wait(struct nouveau_mem_exec_func *exec, u32 nsec) +{ + udelay((nsec + 500) / 1000); +} + +static u32 +mclk_mrg(struct nouveau_mem_exec_func *exec, int mr) +{ + if (mr <= 1) + return nv_rd32(exec->dev, 0x1002c0 + ((mr - 0) * 4)); + if (mr <= 3) + return nv_rd32(exec->dev, 0x1002e0 + ((mr - 2) * 4)); + return 0; +} + +static void +mclk_mrs(struct nouveau_mem_exec_func *exec, int mr, u32 data) +{ + struct drm_nouveau_private *dev_priv = exec->dev->dev_private; + + if (mr <= 1) { + if (dev_priv->vram_rank_B) + nv_wr32(exec->dev, 0x1002c8 + ((mr - 0) * 4), data); + nv_wr32(exec->dev, 0x1002c0 + ((mr - 0) * 4), data); + } else + if (mr <= 3) { + if (dev_priv->vram_rank_B) + nv_wr32(exec->dev, 0x1002e8 + ((mr - 2) * 4), data); + nv_wr32(exec->dev, 0x1002e0 + ((mr - 2) * 4), data); + } +} + +static void +mclk_clock_set(struct nouveau_mem_exec_func *exec) +{ + struct nva3_pm_state *info = exec->priv; + struct drm_device *dev = exec->dev; + + nv_wr32(dev, 0x004018, 0x00001000); + + prog_pll(dev, 0x02, 0x004000, &info->mclk); + + if (nv_rd32(dev, 0x4000) & 0x00000008) + nv_wr32(dev, 0x004018, 0x1000d000); + else + nv_wr32(dev, 0x004018, 0x10005000); +} + +static void +mclk_timing_set(struct nouveau_mem_exec_func *exec) +{ + struct nva3_pm_state *info = exec->priv; + struct nouveau_pm_level *perflvl = info->perflvl; + int i; + + for (i = 0; i < 9; i++) + nv_wr32(exec->dev, 0x100220 + (i * 4), perflvl->timing.reg[i]); +} + +static void +prog_mem(struct drm_device *dev, struct nva3_pm_state *info) +{ + struct nouveau_mem_exec_func exec = { + .dev = dev, + .precharge = mclk_precharge, + .refresh = mclk_refresh, + .refresh_auto = mclk_refresh_auto, + .refresh_self = mclk_refresh_self, + .wait = mclk_wait, + .mrg = mclk_mrg, + .mrs = mclk_mrs, + .clock_set = mclk_clock_set, + .timing_set = mclk_timing_set, + .priv = info + }; + + nv_wr32(dev, 0x611200, 0x00003300); + nouveau_mem_exec(&exec, info->perflvl); + nv_wr32(dev, 0x611200, 0x00003330); +} + int nva3_pm_clocks_set(struct drm_device *dev, void *pre_state) { @@ -321,18 +429,8 @@ nva3_pm_clocks_set(struct drm_device *dev, void *pre_state) prog_clk(dev, 0x20, &info->unka0); prog_clk(dev, 0x21, &info->vdec); - if (info->mclk.clk || info->mclk.pll) { - nv_wr32(dev, 0x100210, 0); - nv_wr32(dev, 0x1002dc, 1); - nv_wr32(dev, 0x004018, 0x00001000); - prog_pll(dev, 0x02, 0x004000, &info->mclk); - if (nv_rd32(dev, 0x4000) & 0x00000008) - nv_wr32(dev, 0x004018, 0x1000d000); - else - nv_wr32(dev, 0x004018, 0x10005000); - nv_wr32(dev, 0x1002dc, 0); - nv_wr32(dev, 0x100210, 0x80000000); - } + if (info->mclk.clk || info->mclk.pll) + prog_mem(dev, info); ret = 0; |