.fini = nv50_disp_base_fini,
 };
 
+static struct nouveau_omthds
+nv50_disp_base_omthds[] = {
+       { SOR_MTHD(NV50_DISP_SOR_PWR)         , nv50_sor_mthd },
+       { DAC_MTHD(NV50_DISP_DAC_PWR)         , nv50_dac_mthd },
+       { DAC_MTHD(NV50_DISP_DAC_LOAD)        , nv50_dac_mthd },
+       {},
+};
+
 static struct nouveau_oclass
 nv50_disp_base_oclass[] = {
-       { NV50_DISP_CLASS, &nv50_disp_base_ofuncs },
+       { NV50_DISP_CLASS, &nv50_disp_base_ofuncs, nv50_disp_base_omthds },
        {}
 };
 
        priv->head.nr = 2;
        priv->dac.nr = 3;
        priv->sor.nr = 2;
+       priv->dac.power = nv50_dac_power;
+       priv->sor.power = nv50_sor_power;
 
        INIT_LIST_HEAD(&priv->base.vblank.list);
        spin_lock_init(&priv->base.vblank.lock);
 
        } sor;
 };
 
-extern struct nouveau_omthds nva3_disp_base_omthds[];
-
 #define DAC_MTHD(n) (n), (n) + 0x03
 
 int nv50_dac_mthd(struct nouveau_object *, u32, void *, u32);
 extern struct nouveau_oclass nv50_disp_cclass;
 void nv50_disp_intr(struct nouveau_subdev *);
 
+extern struct nouveau_omthds nv84_disp_base_omthds[];
+
+extern struct nouveau_omthds nva3_disp_base_omthds[];
+
 extern struct nouveau_ofuncs nvd0_disp_mast_ofuncs;
 extern struct nouveau_ofuncs nvd0_disp_sync_ofuncs;
 extern struct nouveau_ofuncs nvd0_disp_ovly_ofuncs;
 
        {}
 };
 
+struct nouveau_omthds
+nv84_disp_base_omthds[] = {
+       { SOR_MTHD(NV50_DISP_SOR_PWR)         , nv50_sor_mthd },
+       { SOR_MTHD(NV84_DISP_SOR_HDMI_PWR)    , nv50_sor_mthd },
+       { DAC_MTHD(NV50_DISP_DAC_PWR)         , nv50_dac_mthd },
+       { DAC_MTHD(NV50_DISP_DAC_LOAD)        , nv50_dac_mthd },
+       {},
+};
+
 static struct nouveau_oclass
 nv84_disp_base_oclass[] = {
-       { NV84_DISP_CLASS, &nv50_disp_base_ofuncs },
+       { NV84_DISP_CLASS, &nv50_disp_base_ofuncs, nv84_disp_base_omthds },
        {}
 };
 
        priv->head.nr = 2;
        priv->dac.nr = 3;
        priv->sor.nr = 2;
+       priv->dac.power = nv50_dac_power;
+       priv->sor.power = nv50_sor_power;
 
        INIT_LIST_HEAD(&priv->base.vblank.list);
        spin_lock_init(&priv->base.vblank.lock);
 
        {}
 };
 
+static struct nouveau_omthds
+nv94_disp_base_omthds[] = {
+       { SOR_MTHD(NV50_DISP_SOR_PWR)         , nv50_sor_mthd },
+       { SOR_MTHD(NV84_DISP_SOR_HDMI_PWR)    , nv50_sor_mthd },
+       { SOR_MTHD(NV94_DISP_SOR_DP_TRAIN)    , nv50_sor_mthd },
+       { SOR_MTHD(NV94_DISP_SOR_DP_LNKCTL)   , nv50_sor_mthd },
+       { SOR_MTHD(NV94_DISP_SOR_DP_DRVCTL(0)), nv50_sor_mthd },
+       { SOR_MTHD(NV94_DISP_SOR_DP_DRVCTL(1)), nv50_sor_mthd },
+       { SOR_MTHD(NV94_DISP_SOR_DP_DRVCTL(2)), nv50_sor_mthd },
+       { SOR_MTHD(NV94_DISP_SOR_DP_DRVCTL(3)), nv50_sor_mthd },
+       { DAC_MTHD(NV50_DISP_DAC_PWR)         , nv50_dac_mthd },
+       { DAC_MTHD(NV50_DISP_DAC_LOAD)        , nv50_dac_mthd },
+       {},
+};
+
 static struct nouveau_oclass
 nv94_disp_base_oclass[] = {
-       { NV94_DISP_CLASS, &nv50_disp_base_ofuncs },
+       { NV94_DISP_CLASS, &nv50_disp_base_ofuncs, nv94_disp_base_omthds },
        {}
 };
 
        priv->head.nr = 2;
        priv->dac.nr = 3;
        priv->sor.nr = 4;
+       priv->dac.power = nv50_dac_power;
+       priv->sor.power = nv50_sor_power;
 
        INIT_LIST_HEAD(&priv->base.vblank.list);
        spin_lock_init(&priv->base.vblank.lock);
 
 
 static struct nouveau_oclass
 nva0_disp_base_oclass[] = {
-       { NVA0_DISP_CLASS, &nv50_disp_base_ofuncs },
+       { NVA0_DISP_CLASS, &nv50_disp_base_ofuncs, nv84_disp_base_omthds },
        {}
 };
 
        priv->head.nr = 2;
        priv->dac.nr = 3;
        priv->sor.nr = 2;
+       priv->dac.power = nv50_dac_power;
+       priv->sor.power = nv50_sor_power;
 
        INIT_LIST_HEAD(&priv->base.vblank.list);
        spin_lock_init(&priv->base.vblank.lock);
 
 
 static struct nouveau_oclass
 nva3_disp_base_oclass[] = {
-       { NVA3_DISP_CLASS, &nv50_disp_base_ofuncs },
+       { NVA3_DISP_CLASS, &nv50_disp_base_ofuncs, nva3_disp_base_omthds },
        {}
 };
 
        priv->head.nr = 2;
        priv->dac.nr = 3;
        priv->sor.nr = 4;
+       priv->dac.power = nv50_dac_power;
+       priv->sor.power = nv50_sor_power;
 
        INIT_LIST_HEAD(&priv->base.vblank.list);
        spin_lock_init(&priv->base.vblank.lock);
 
 #include "nouveau_crtc.h"
 #include "nv50_display.h"
 
+#include <core/class.h>
+
 #include <subdev/timer.h>
 
 static void
 static void
 nv50_dac_dpms(struct drm_encoder *encoder, int mode)
 {
-       struct nouveau_device *device = nouveau_dev(encoder->dev);
+       struct nv50_display *priv = nv50_display(encoder->dev);
        struct nouveau_drm *drm = nouveau_drm(encoder->dev);
        struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
        uint32_t val;
 
        NV_DEBUG(drm, "or %d mode %d\n", or, mode);
 
-       /* wait for it to be done */
-       if (!nv_wait(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or),
-                    NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING, 0)) {
-               NV_ERROR(drm, "timeout: DAC_DPMS_CTRL_PENDING(%d) == 0\n", or);
-               NV_ERROR(drm, "DAC_DPMS_CTRL(%d) = 0x%08x\n", or,
-                        nv_rd32(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or)));
-               return;
-       }
-
-       val = nv_rd32(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or)) & ~0x7F;
-
        if (mode != DRM_MODE_DPMS_ON)
-               val |= NV50_PDISPLAY_DAC_DPMS_CTRL_BLANKED;
+               val = NV50_PDISPLAY_DAC_DPMS_CTRL_BLANKED;
+       else
+               val = 0;
 
        switch (mode) {
        case DRM_MODE_DPMS_STANDBY:
                break;
        }
 
-       nv_wr32(device, NV50_PDISPLAY_DAC_DPMS_CTRL(or), val |
-               NV50_PDISPLAY_DAC_DPMS_CTRL_PENDING);
+       nv_call(priv->core, NV50_DISP_DAC_PWR + or, val);
 }
 
 static void
 
 #include "nouveau_crtc.h"
 #include "nv50_display.h"
 
+#include <core/class.h>
+
 #include <subdev/timer.h>
 
 static u32
 static void
 nv50_sor_dpms(struct drm_encoder *encoder, int mode)
 {
-       struct nouveau_device *device = nouveau_dev(encoder->dev);
+       struct nv50_display *priv = nv50_display(encoder->dev);
        struct nouveau_drm *drm = nouveau_drm(encoder->dev);
        struct drm_device *dev = encoder->dev;
        struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
        struct drm_encoder *enc;
-       uint32_t val;
        int or = nv_encoder->or;
 
        NV_DEBUG(drm, "or %d type %d mode %d\n", or, nv_encoder->dcb->type, mode);
                        return;
        }
 
-       /* wait for it to be done */
-       if (!nv_wait(device, NV50_PDISPLAY_SOR_DPMS_CTRL(or),
-                    NV50_PDISPLAY_SOR_DPMS_CTRL_PENDING, 0)) {
-               NV_ERROR(drm, "timeout: SOR_DPMS_CTRL_PENDING(%d) == 0\n", or);
-               NV_ERROR(drm, "SOR_DPMS_CTRL(%d) = 0x%08x\n", or,
-                        nv_rd32(device, NV50_PDISPLAY_SOR_DPMS_CTRL(or)));
-       }
-
-       val = nv_rd32(device, NV50_PDISPLAY_SOR_DPMS_CTRL(or));
-
-       if (mode == DRM_MODE_DPMS_ON)
-               val |= NV50_PDISPLAY_SOR_DPMS_CTRL_ON;
-       else
-               val &= ~NV50_PDISPLAY_SOR_DPMS_CTRL_ON;
-
-       nv_wr32(device, NV50_PDISPLAY_SOR_DPMS_CTRL(or), val |
-               NV50_PDISPLAY_SOR_DPMS_CTRL_PENDING);
-       if (!nv_wait(device, NV50_PDISPLAY_SOR_DPMS_STATE(or),
-                    NV50_PDISPLAY_SOR_DPMS_STATE_WAIT, 0)) {
-               NV_ERROR(drm, "timeout: SOR_DPMS_STATE_WAIT(%d) == 0\n", or);
-               NV_ERROR(drm, "SOR_DPMS_STATE(%d) = 0x%08x\n", or,
-                        nv_rd32(device, NV50_PDISPLAY_SOR_DPMS_STATE(or)));
-       }
+       nv_call(priv->core, NV50_DISP_SOR_PWR + or, (mode == DRM_MODE_DPMS_ON));
 
        if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
                struct dp_train_func func = {