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| author | Ben Skeggs <bskeggs@redhat.com> | 2012-02-06 13:51:30 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2012-05-24 16:31:34 +1000 |
| commit | 9d6ba0b58c5f1ea52b641c36178a27e876b80011 (patch) | |
| tree | 5fa36a7f06d3630962e277d2305086978d42c118 | |
| parent | a94ba1fcac417d0b72f73fb77e730279ca9203c3 (diff) | |
| download | talos-obmc-linux-9d6ba0b58c5f1ea52b641c36178a27e876b80011.tar.gz talos-obmc-linux-9d6ba0b58c5f1ea52b641c36178a27e876b80011.zip | |
drm/nvc0/pm: very initial mclk freq change
Loads of magic missing, this will probably blow up if you try it.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvc0_pm.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nvc0_pm.c b/drivers/gpu/drm/nouveau/nvc0_pm.c index a2f6ae0fa4bd..7c95c44e2887 100644 --- a/drivers/gpu/drm/nouveau/nvc0_pm.c +++ b/drivers/gpu/drm/nouveau/nvc0_pm.c @@ -500,6 +500,24 @@ mclk_mrs(struct nouveau_mem_exec_func *exec, int mr, u32 data) static void mclk_clock_set(struct nouveau_mem_exec_func *exec) { + struct nvc0_pm_state *info = exec->priv; + struct drm_device *dev = exec->dev; + u32 ctrl = nv_rd32(dev, 0x132000); + + nv_wr32(dev, 0x137360, 0x00000001); + nv_wr32(dev, 0x137370, 0x00000000); + nv_wr32(dev, 0x137380, 0x00000000); + if (ctrl & 0x00000001) + nv_wr32(dev, 0x132000, (ctrl &= ~0x00000001)); + + nv_wr32(dev, 0x132004, info->mem.coef); + nv_wr32(dev, 0x132000, (ctrl |= 0x00000001)); + nv_wait(dev, 0x137390, 0x00000002, 0x00000002); + nv_wr32(dev, 0x132018, 0x00005000); + + nv_wr32(dev, 0x137370, 0x00000001); + nv_wr32(dev, 0x137380, 0x00000001); + nv_wr32(dev, 0x137360, 0x00000000); } static void @@ -533,11 +551,15 @@ prog_mem(struct drm_device *dev, struct nvc0_pm_state *info) if (dev_priv->chipset < 0xd0) nv_wr32(dev, 0x611200, 0x00003300); + else + nv_wr32(dev, 0x62c000, 0x03030000); nouveau_mem_exec(&exec, info->perflvl); if (dev_priv->chipset < 0xd0) nv_wr32(dev, 0x611200, 0x00003300); + else + nv_wr32(dev, 0x62c000, 0x03030300); } int nvc0_pm_clocks_set(struct drm_device *dev, void *data) @@ -545,7 +567,7 @@ nvc0_pm_clocks_set(struct drm_device *dev, void *data) struct nvc0_pm_state *info = data; int i; - if (0) + if (info->mem.coef) prog_mem(dev, info); for (i = 0; i < 16; i++) { |
