diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv40_mc.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv40_mc.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv40_mc.c b/drivers/gpu/drm/nouveau/nv40_mc.c new file mode 100644 index 00000000000..2a3495e848e --- /dev/null +++ b/drivers/gpu/drm/nouveau/nv40_mc.c @@ -0,0 +1,38 @@ +#include "drmP.h" +#include "drm.h" +#include "nouveau_drv.h" +#include "nouveau_drm.h" + +int +nv40_mc_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + uint32_t tmp; + + /* Power up everything, resetting each individual unit will + * be done later if needed. + */ + nv_wr32(dev, NV03_PMC_ENABLE, 0xFFFFFFFF); + + switch (dev_priv->chipset) { + case 0x44: + case 0x46: /* G72 */ + case 0x4e: + case 0x4c: /* C51_G7X */ + tmp = nv_rd32(dev, NV40_PFB_020C); + nv_wr32(dev, NV40_PMC_1700, tmp); + nv_wr32(dev, NV40_PMC_1704, 0); + nv_wr32(dev, NV40_PMC_1708, 0); + nv_wr32(dev, NV40_PMC_170C, tmp); + break; + default: + break; + } + + return 0; +} + +void +nv40_mc_takedown(struct drm_device *dev) +{ +} |