drm/nvd0/disp: allocate display and evo channels from driver core
authorBen Skeggs <bskeggs@redhat.com>
Tue, 16 Oct 2012 04:18:32 +0000 (14:18 +1000)
committerBen Skeggs <bskeggs@redhat.com>
Wed, 28 Nov 2012 23:57:42 +0000 (09:57 +1000)
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/nvd0_display.c

index 98765d4..edc79c3 100644 (file)
@@ -36,7 +36,9 @@
 #include "nouveau_fence.h"
 #include "nv50_display.h"
 
+#include <core/client.h>
 #include <core/gpuobj.h>
+#include <core/class.h>
 
 #include <subdev/timer.h>
 #include <subdev/bar.h>
 #define EVO_FLIP_SEM0(c)  EVO_SYNC((c), 0x00)
 #define EVO_FLIP_SEM1(c)  EVO_SYNC((c), 0x10)
 
-struct evo {
-       int idx;
+#define EVO_CORE_HANDLE      (0xd1500000)
+#define EVO_CHAN_HANDLE(t,i) (0xd15c0000 | (((t) & 0x00ff) << 8) | (i))
+#define EVO_CHAN_OCLASS(t,c) ((nv_hclass(c) & 0xff00) | ((t) & 0x00ff))
+#define EVO_PUSH_HANDLE(t,i) (0xd15b0000 | (i) |                               \
+                             (((NV50_DISP_##t##_CLASS) & 0x00ff) << 8))
+
+/******************************************************************************
+ * EVO channel
+ *****************************************************************************/
+
+struct nvd0_chan {
+       struct nouveau_object *user;
+       u32 handle;
+};
+
+static int
+nvd0_chan_create(struct nouveau_object *core, u32 bclass, u8 head,
+                void *data, u32 size, struct nvd0_chan *chan)
+{
+       struct nouveau_object *client = nv_pclass(core, NV_CLIENT_CLASS);
+       const u32 oclass = EVO_CHAN_OCLASS(bclass, core);
+       const u32 handle = EVO_CHAN_HANDLE(bclass, head);
+       int ret;
+
+       ret = nouveau_object_new(client, EVO_CORE_HANDLE, handle,
+                                oclass, data, size, &chan->user);
+       if (ret)
+               return ret;
+
+       chan->handle = handle;
+       return 0;
+}
+
+static void
+nvd0_chan_destroy(struct nouveau_object *core, struct nvd0_chan *chan)
+{
+       struct nouveau_object *client = nv_pclass(core, NV_CLIENT_CLASS);
+       if (chan->handle)
+               nouveau_object_del(client, EVO_CORE_HANDLE, chan->handle);
+}
+
+/******************************************************************************
+ * PIO EVO channel
+ *****************************************************************************/
+
+struct nvd0_pioc {
+       struct nvd0_chan base;
+};
+
+static void
+nvd0_pioc_destroy(struct nouveau_object *core, struct nvd0_pioc *pioc)
+{
+       nvd0_chan_destroy(core, &pioc->base);
+}
+
+static int
+nvd0_pioc_create(struct nouveau_object *core, u32 bclass, u8 head,
+                void *data, u32 size, struct nvd0_pioc *pioc)
+{
+       return nvd0_chan_create(core, bclass, head, data, size, &pioc->base);
+}
+
+/******************************************************************************
+ * DMA EVO channel
+ *****************************************************************************/
+
+struct nvd0_dmac {
+       struct nvd0_chan base;
        dma_addr_t handle;
        u32 *ptr;
+};
+
+static void
+nvd0_dmac_destroy(struct nouveau_object *core, struct nvd0_dmac *dmac)
+{
+       if (dmac->ptr) {
+               struct pci_dev *pdev = nv_device(core)->pdev;
+               pci_free_consistent(pdev, PAGE_SIZE, dmac->ptr, dmac->handle);
+       }
+
+       nvd0_chan_destroy(core, &dmac->base);
+}
+
+static int
+nvd0_dmac_create(struct nouveau_object *core, u32 bclass, u8 head,
+                void *data, u32 size, u64 syncbuf,
+                struct nvd0_dmac *dmac)
+{
+       struct nouveau_fb *pfb = nouveau_fb(core);
+       struct nouveau_object *client = nv_pclass(core, NV_CLIENT_CLASS);
+       struct nouveau_object *object;
+       u32 pushbuf = *(u32 *)data;
+       dma_addr_t handle;
+       void *ptr;
+       int ret;
+
+       ptr = pci_alloc_consistent(nv_device(core)->pdev, PAGE_SIZE, &handle);
+       if (!ptr)
+               return -ENOMEM;
+
+       ret = nouveau_object_new(client, NVDRM_DEVICE, pushbuf,
+                                NV_DMA_FROM_MEMORY_CLASS,
+                                &(struct nv_dma_class) {
+                                       .flags = NV_DMA_TARGET_PCI_US |
+                                                NV_DMA_ACCESS_RD,
+                                       .start = handle + 0x0000,
+                                       .limit = handle + 0x0fff,
+                                }, sizeof(struct nv_dma_class), &object);
+       if (ret)
+               return ret;
+
+       ret = nvd0_chan_create(core, bclass, head, data, size, &dmac->base);
+       if (ret)
+               return ret;
+
+       dmac->handle = handle;
+       dmac->ptr = ptr;
+
+       ret = nouveau_object_new(client, dmac->base.handle, NvEvoSync,
+                                NV_DMA_IN_MEMORY_CLASS,
+                                &(struct nv_dma_class) {
+                                       .flags = NV_DMA_TARGET_VRAM |
+                                                NV_DMA_ACCESS_RDWR,
+                                       .start = syncbuf + 0x0000,
+                                       .limit = syncbuf + 0x0fff,
+                                }, sizeof(struct nv_dma_class), &object);
+       if (ret)
+               goto out;
+
+       ret = nouveau_object_new(client, dmac->base.handle, NvEvoVRAM,
+                                NV_DMA_IN_MEMORY_CLASS,
+                                &(struct nv_dma_class) {
+                                       .flags = NV_DMA_TARGET_VRAM |
+                                                NV_DMA_ACCESS_RDWR,
+                                       .start = 0,
+                                       .limit = pfb->ram.size - 1,
+                                }, sizeof(struct nv_dma_class), &object);
+       if (ret)
+               goto out;
+
+       ret = nouveau_object_new(client, dmac->base.handle, NvEvoVRAM_LP,
+                                NV_DMA_IN_MEMORY_CLASS,
+                                &(struct nv_dma_class) {
+                                       .flags = NV_DMA_TARGET_VRAM |
+                                                NV_DMA_ACCESS_RDWR,
+                                       .start = 0,
+                                       .limit = pfb->ram.size - 1,
+                                       .conf0 = NVD0_DMA_CONF0_ENABLE |
+                                                NVD0_DMA_CONF0_PAGE_LP,
+                                }, sizeof(struct nv_dma_class), &object);
+       if (ret)
+               goto out;
+
+       ret = nouveau_object_new(client, dmac->base.handle, NvEvoFB32,
+                                NV_DMA_IN_MEMORY_CLASS,
+                                &(struct nv_dma_class) {
+                                       .flags = NV_DMA_TARGET_VRAM |
+                                                NV_DMA_ACCESS_RDWR,
+                                       .start = 0,
+                                       .limit = pfb->ram.size - 1,
+                                       .conf0 = 0x00fe |
+                                                NVD0_DMA_CONF0_ENABLE |
+                                                NVD0_DMA_CONF0_PAGE_LP,
+                                }, sizeof(struct nv_dma_class), &object);
+out:
+       if (ret)
+               nvd0_dmac_destroy(core, dmac);
+       return ret;
+}
+
+struct nvd0_mast {
+       struct nvd0_dmac base;
+};
+
+struct nvd0_curs {
+       struct nvd0_pioc base;
+};
+
+struct nvd0_sync {
+       struct nvd0_dmac base;
        struct {
                u32 offset;
                u16 value;
        } sem;
 };
 
-struct nvd0_disp {
-       struct nouveau_gpuobj *mem;
-       struct nouveau_bo *sync;
-       struct evo evo[9];
+struct nvd0_ovly {
+       struct nvd0_dmac base;
+};
 
-       struct tasklet_struct tasklet;
-       u32 modeset;
+struct nvd0_oimm {
+       struct nvd0_pioc base;
 };
 
 struct nvd0_head {
        struct nouveau_crtc base;
+       struct nvd0_curs curs;
+       struct nvd0_sync sync;
+       struct nvd0_ovly ovly;
+       struct nvd0_oimm oimm;
+};
+
+#define nvd0_head(c) ((struct nvd0_head *)nouveau_crtc(c))
+#define nvd0_curs(c) (&nvd0_head(c)->curs)
+#define nvd0_sync(c) (&nvd0_head(c)->sync)
+#define nvd0_ovly(c) (&nvd0_head(c)->ovly)
+#define nvd0_oimm(c) (&nvd0_head(c)->oimm)
+#define nvd0_chan(c) (&(c)->base.base)
+
+struct nvd0_disp {
+       struct nouveau_object *core;
+       struct nvd0_mast mast;
+
+       struct tasklet_struct tasklet;
+       u32 modeset;
+
+       struct nouveau_bo *sync;
 };
 
 static struct nvd0_disp *
@@ -85,6 +283,8 @@ nvd0_disp(struct drm_device *dev)
        return nouveau_display(dev)->priv;
 }
 
+#define nvd0_mast(d) (&nvd0_disp(d)->mast)
+
 static struct drm_crtc *
 nvd0_display_crtc_get(struct drm_encoder *encoder)
 {
@@ -94,139 +294,37 @@ nvd0_display_crtc_get(struct drm_encoder *encoder)
 /******************************************************************************
  * EVO channel helpers
  *****************************************************************************/
-static inline int
-evo_icmd(struct drm_device *dev, int id, u32 mthd, u32 data)
-{
-       struct nouveau_device *device = nouveau_dev(dev);
-       int ret = 0;
-       nv_mask(device, 0x610700 + (id * 0x10), 0x00000001, 0x00000001);
-       nv_wr32(device, 0x610704 + (id * 0x10), data);
-       nv_mask(device, 0x610704 + (id * 0x10), 0x80000ffc, 0x80000000 | mthd);
-       if (!nv_wait(device, 0x610704 + (id * 0x10), 0x80000000, 0x00000000))
-               ret = -EBUSY;
-       nv_mask(device, 0x610700 + (id * 0x10), 0x00000001, 0x00000000);
-       return ret;
-}
-
 static u32 *
-evo_wait(struct drm_device *dev, int id, int nr)
+evo_wait(void *evoc, int nr)
 {
-       struct nouveau_device *device = nouveau_dev(dev);
-       struct nouveau_drm *drm = nouveau_drm(dev);
-       struct nvd0_disp *disp = nvd0_disp(dev);
-       u32 put = nv_rd32(device, 0x640000 + (id * 0x1000)) / 4;
+       struct nvd0_dmac *dmac = evoc;
+       u32 put = nv_ro32(dmac->base.user, 0x0000) / 4;
 
        if (put + nr >= (PAGE_SIZE / 4)) {
-               disp->evo[id].ptr[put] = 0x20000000;
+               dmac->ptr[put] = 0x20000000;
 
-               nv_wr32(device, 0x640000 + (id * 0x1000), 0x00000000);
-               if (!nv_wait(device, 0x640004 + (id * 0x1000), ~0, 0x00000000)) {
-                       NV_ERROR(drm, "evo %d dma stalled\n", id);
+               nv_wo32(dmac->base.user, 0x0000, 0x00000000);
+               if (!nv_wait(dmac->base.user, 0x0004, ~0, 0x00000000)) {
+                       NV_ERROR(dmac->base.user, "channel stalled\n");
                        return NULL;
                }
 
                put = 0;
        }
 
-       return disp->evo[id].ptr + put;
+       return dmac->ptr + put;
 }
 
 static void
-evo_kick(u32 *push, struct drm_device *dev, int id)
+evo_kick(u32 *push, void *evoc)
 {
-       struct nouveau_device *device = nouveau_dev(dev);
-       struct nvd0_disp *disp = nvd0_disp(dev);
-
-       nv_wr32(device, 0x640000 + (id * 0x1000), (push - disp->evo[id].ptr) << 2);
+       struct nvd0_dmac *dmac = evoc;
+       nv_wo32(dmac->base.user, 0x0000, (push - dmac->ptr) << 2);
 }
 
 #define evo_mthd(p,m,s) *((p)++) = (((s) << 18) | (m))
 #define evo_data(p,d)   *((p)++) = (d)
 
-static int
-evo_init_dma(struct drm_device *dev, int ch)
-{
-       struct nouveau_device *device = nouveau_dev(dev);
-       struct nouveau_drm *drm = nouveau_drm(dev);
-       struct nvd0_disp *disp = nvd0_disp(dev);
-       u32 flags;
-
-       flags = 0x00000000;
-       if (ch == EVO_MASTER)
-               flags |= 0x01000000;
-
-       nv_wr32(device, 0x610494 + (ch * 0x0010), (disp->evo[ch].handle >> 8) | 3);
-       nv_wr32(device, 0x610498 + (ch * 0x0010), 0x00010000);
-       nv_wr32(device, 0x61049c + (ch * 0x0010), 0x00000001);
-       nv_mask(device, 0x610490 + (ch * 0x0010), 0x00000010, 0x00000010);
-       nv_wr32(device, 0x640000 + (ch * 0x1000), 0x00000000);
-       nv_wr32(device, 0x610490 + (ch * 0x0010), 0x00000013 | flags);
-       if (!nv_wait(device, 0x610490 + (ch * 0x0010), 0x80000000, 0x00000000)) {
-               NV_ERROR(drm, "PDISP: ch%d 0x%08x\n", ch,
-                             nv_rd32(device, 0x610490 + (ch * 0x0010)));
-               return -EBUSY;
-       }
-
-       nv_mask(device, 0x610090, (1 << ch), (1 << ch));
-       nv_mask(device, 0x6100a0, (1 << ch), (1 << ch));
-       return 0;
-}
-
-static void
-evo_fini_dma(struct drm_device *dev, int ch)
-{
-       struct nouveau_device *device = nouveau_dev(dev);
-
-       if (!(nv_rd32(device, 0x610490 + (ch * 0x0010)) & 0x00000010))
-               return;
-
-       nv_mask(device, 0x610490 + (ch * 0x0010), 0x00000010, 0x00000000);
-       nv_mask(device, 0x610490 + (ch * 0x0010), 0x00000003, 0x00000000);
-       nv_wait(device, 0x610490 + (ch * 0x0010), 0x80000000, 0x00000000);
-       nv_mask(device, 0x610090, (1 << ch), 0x00000000);
-       nv_mask(device, 0x6100a0, (1 << ch), 0x00000000);
-}
-
-static inline void
-evo_piow(struct drm_device *dev, int ch, u16 mthd, u32 data)
-{
-       struct nouveau_device *device = nouveau_dev(dev);
-       nv_wr32(device, 0x640000 + (ch * 0x1000) + mthd, data);
-}
-
-static int
-evo_init_pio(struct drm_device *dev, int ch)
-{
-       struct nouveau_device *device = nouveau_dev(dev);
-       struct nouveau_drm *drm = nouveau_drm(dev);
-
-       nv_wr32(device, 0x610490 + (ch * 0x0010), 0x00000001);
-       if (!nv_wait(device, 0x610490 + (ch * 0x0010), 0x00010000, 0x00010000)) {
-               NV_ERROR(drm, "PDISP: ch%d 0x%08x\n", ch,
-                             nv_rd32(device, 0x610490 + (ch * 0x0010)));
-               return -EBUSY;
-       }
-
-       nv_mask(device, 0x610090, (1 << ch), (1 << ch));
-       nv_mask(device, 0x6100a0, (1 << ch), (1 << ch));
-       return 0;
-}
-
-static void
-evo_fini_pio(struct drm_device *dev, int ch)
-{
-       struct nouveau_device *device = nouveau_dev(dev);
-
-       if (!(nv_rd32(device, 0x610490 + (ch * 0x0010)) & 0x00000001))
-               return;
-
-       nv_mask(device, 0x610490 + (ch * 0x0010), 0x00000010, 0x00000010);
-       nv_mask(device, 0x610490 + (ch * 0x0010), 0x00000001, 0x00000000);
-       nv_wait(device, 0x610490 + (ch * 0x0010), 0x00010000, 0x00000000);
-       nv_mask(device, 0x610090, (1 << ch), 0x00000000);
-       nv_mask(device, 0x6100a0, (1 << ch), 0x00000000);
-}
-
 static bool
 evo_sync_wait(void *data)
 {
@@ -234,11 +332,12 @@ evo_sync_wait(void *data)
 }
 
 static int
-evo_sync(struct drm_device *dev, int ch)
+evo_sync(struct drm_device *dev)
 {
        struct nouveau_device *device = nouveau_dev(dev);
        struct nvd0_disp *disp = nvd0_disp(dev);
-       u32 *push = evo_wait(dev, ch, 8);
+       struct nvd0_mast *mast = nvd0_mast(dev);
+       u32 *push = evo_wait(mast, 8);
        if (push) {
                nouveau_bo_wr32(disp->sync, EVO_MAST_NTFY, 0x00000000);
                evo_mthd(push, 0x0084, 1);
@@ -246,7 +345,7 @@ evo_sync(struct drm_device *dev, int ch)
                evo_mthd(push, 0x0080, 2);
                evo_data(push, 0x00000000);
                evo_data(push, 0x00000000);
-               evo_kick(push, dev, ch);
+               evo_kick(push, mast);
                if (nv_wait_cb(device, evo_sync_wait, disp->sync))
                        return 0;
        }
@@ -266,12 +365,10 @@ nvd0_display_crtc_sema(struct drm_device *dev, int crtc)
 void
 nvd0_display_flip_stop(struct drm_crtc *crtc)
 {
-       struct nvd0_disp *disp = nvd0_disp(crtc->dev);
-       struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
-       struct evo *evo = &disp->evo[EVO_FLIP(nv_crtc->index)];
+       struct nvd0_sync *sync = nvd0_sync(crtc);
        u32 *push;
 
-       push = evo_wait(crtc->dev, evo->idx, 8);
+       push = evo_wait(sync, 8);
        if (push) {
                evo_mthd(push, 0x0084, 1);
                evo_data(push, 0x00000000);
@@ -281,7 +378,7 @@ nvd0_display_flip_stop(struct drm_crtc *crtc)
                evo_data(push, 0x00000000);
                evo_mthd(push, 0x0080, 1);
                evo_data(push, 0x00000000);
-               evo_kick(push, crtc->dev, evo->idx);
+               evo_kick(push, sync);
        }
 }
 
@@ -292,7 +389,7 @@ nvd0_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
        struct nouveau_framebuffer *nv_fb = nouveau_framebuffer(fb);
        struct nvd0_disp *disp = nvd0_disp(crtc->dev);
        struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
-       struct evo *evo = &disp->evo[EVO_FLIP(nv_crtc->index)];
+       struct nvd0_sync *sync = nvd0_sync(crtc);
        u64 offset;
        u32 *push;
        int ret;
@@ -301,7 +398,7 @@ nvd0_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
        if (swap_interval == 0)
                swap_interval |= 0x100;
 
-       push = evo_wait(crtc->dev, evo->idx, 128);
+       push = evo_wait(sync, 128);
        if (unlikely(push == NULL))
                return -EBUSY;
 
@@ -313,12 +410,12 @@ nvd0_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
 
 
                offset  = nvc0_fence_crtc(chan, nv_crtc->index);
-               offset += evo->sem.offset;
+               offset += sync->sem.offset;
 
                BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
                OUT_RING  (chan, upper_32_bits(offset));
                OUT_RING  (chan, lower_32_bits(offset));
-               OUT_RING  (chan, 0xf00d0000 | evo->sem.value);
+               OUT_RING  (chan, 0xf00d0000 | sync->sem.value);
                OUT_RING  (chan, 0x1002);
                BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
                OUT_RING  (chan, upper_32_bits(offset));
@@ -327,9 +424,9 @@ nvd0_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
                OUT_RING  (chan, 0x1001);
                FIRE_RING (chan);
        } else {
-               nouveau_bo_wr32(disp->sync, evo->sem.offset / 4,
-                               0xf00d0000 | evo->sem.value);
-               evo_sync(crtc->dev, EVO_MASTER);
+               nouveau_bo_wr32(disp->sync, sync->sem.offset / 4,
+                               0xf00d0000 | sync->sem.value);
+               evo_sync(crtc->dev);
        }
 
        /* queue the flip */
@@ -342,8 +439,8 @@ nvd0_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
                evo_data(push, 0x40000000);
        }
        evo_mthd(push, 0x0088, 4);
-       evo_data(push, evo->sem.offset);
-       evo_data(push, 0xf00d0000 | evo->sem.value);
+       evo_data(push, sync->sem.offset);
+       evo_data(push, 0xf00d0000 | sync->sem.value);
        evo_data(push, 0x74b1e000);
        evo_data(push, NvEvoSync);
        evo_mthd(push, 0x00a0, 2);
@@ -362,10 +459,10 @@ nvd0_display_flip_next(struct drm_crtc *crtc, struct drm_framebuffer *fb,
        evo_data(push, nv_fb->r_format);
        evo_mthd(push, 0x0080, 1);
        evo_data(push, 0x00000000);
-       evo_kick(push, crtc->dev, evo->idx);
+       evo_kick(push, sync);
 
-       evo->sem.offset ^= 0x10;
-       evo->sem.value++;
+       sync->sem.offset ^= 0x10;
+       sync->sem.value++;
        return 0;
 }
 
@@ -403,7 +500,7 @@ nvd0_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool update)
        else
                mthd = 0x04a0 + (nv_crtc->index * 0x0300);
 
-       push = evo_wait(dev, EVO_MASTER, 4);
+       push = evo_wait(nvd0_mast(dev), 4);
        if (push) {
                evo_mthd(push, mthd, 1);
                evo_data(push, mode);
@@ -411,7 +508,7 @@ nvd0_crtc_set_dither(struct nouveau_crtc *nv_crtc, bool update)
                        evo_mthd(push, 0x0080, 1);
                        evo_data(push, 0x00000000);
                }
-               evo_kick(push, dev, EVO_MASTER);
+               evo_kick(push, nvd0_mast(dev));
        }
 
        return 0;
@@ -488,7 +585,7 @@ nvd0_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update)
                break;
        }
 
-       push = evo_wait(dev, EVO_MASTER, 8);
+       push = evo_wait(nvd0_mast(dev), 8);
        if (push) {
                evo_mthd(push, 0x04c0 + (nv_crtc->index * 0x300), 3);
                evo_data(push, (oY << 16) | oX);
@@ -498,7 +595,7 @@ nvd0_crtc_set_scale(struct nouveau_crtc *nv_crtc, bool update)
                evo_data(push, 0x00000000);
                evo_mthd(push, 0x04b8 + (nv_crtc->index * 0x300), 1);
                evo_data(push, (umode->vdisplay << 16) | umode->hdisplay);
-               evo_kick(push, dev, EVO_MASTER);
+               evo_kick(push, nvd0_mast(dev));
                if (update) {
                        nvd0_display_flip_stop(crtc);
                        nvd0_display_flip_next(crtc, crtc->fb, NULL, 1);
@@ -515,7 +612,7 @@ nvd0_crtc_set_image(struct nouveau_crtc *nv_crtc, struct drm_framebuffer *fb,
        struct nouveau_framebuffer *nvfb = nouveau_framebuffer(fb);
        u32 *push;
 
-       push = evo_wait(fb->dev, EVO_MASTER, 16);
+       push = evo_wait(nvd0_mast(fb->dev), 16);
        if (push) {
                evo_mthd(push, 0x0460 + (nv_crtc->index * 0x300), 1);
                evo_data(push, nvfb->nvbo->bo.offset >> 8);
@@ -530,7 +627,7 @@ nvd0_crtc_set_image(struct nouveau_crtc *nv_crtc, struct drm_framebuffer *fb,
                        evo_mthd(push, 0x0080, 1);
                        evo_data(push, 0x00000000);
                }
-               evo_kick(push, fb->dev, EVO_MASTER);
+               evo_kick(push, nvd0_mast(fb->dev));
        }
 
        nv_crtc->fb.tile_flags = nvfb->r_dma;
@@ -541,7 +638,7 @@ static void
 nvd0_crtc_cursor_show(struct nouveau_crtc *nv_crtc, bool show, bool update)
 {
        struct drm_device *dev = nv_crtc->base.dev;
-       u32 *push = evo_wait(dev, EVO_MASTER, 16);
+       u32 *push = evo_wait(nvd0_mast(dev), 16);
        if (push) {
                if (show) {
                        evo_mthd(push, 0x0480 + (nv_crtc->index * 0x300), 2);
@@ -561,7 +658,7 @@ nvd0_crtc_cursor_show(struct nouveau_crtc *nv_crtc, bool show, bool update)
                        evo_data(push, 0x00000000);
                }
 
-               evo_kick(push, dev, EVO_MASTER);
+               evo_kick(push, nvd0_mast(dev));
        }
 }
 
@@ -578,7 +675,7 @@ nvd0_crtc_prepare(struct drm_crtc *crtc)
 
        nvd0_display_flip_stop(crtc);
 
-       push = evo_wait(crtc->dev, EVO_MASTER, 2);
+       push = evo_wait(nvd0_mast(crtc->dev), 2);
        if (push) {
                evo_mthd(push, 0x0474 + (nv_crtc->index * 0x300), 1);
                evo_data(push, 0x00000000);
@@ -586,7 +683,7 @@ nvd0_crtc_prepare(struct drm_crtc *crtc)
                evo_data(push, 0x03000000);
                evo_mthd(push, 0x045c + (nv_crtc->index * 0x300), 1);
                evo_data(push, 0x00000000);
-               evo_kick(push, crtc->dev, EVO_MASTER);
+               evo_kick(push, nvd0_mast(crtc->dev));
        }
 
        nvd0_crtc_cursor_show(nv_crtc, false, false);
@@ -598,7 +695,7 @@ nvd0_crtc_commit(struct drm_crtc *crtc)
        struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
        u32 *push;
 
-       push = evo_wait(crtc->dev, EVO_MASTER, 32);
+       push = evo_wait(nvd0_mast(crtc->dev), 32);
        if (push) {
                evo_mthd(push, 0x0474 + (nv_crtc->index * 0x300), 1);
                evo_data(push, nv_crtc->fb.tile_flags);
@@ -611,7 +708,7 @@ nvd0_crtc_commit(struct drm_crtc *crtc)
                evo_data(push, NvEvoVRAM);
                evo_mthd(push, 0x0430 + (nv_crtc->index * 0x300), 1);
                evo_data(push, 0xffffff00);
-               evo_kick(push, crtc->dev, EVO_MASTER);
+               evo_kick(push, nvd0_mast(crtc->dev));
        }
 
        nvd0_crtc_cursor_show(nv_crtc, nv_crtc->cursor.visible, true);
@@ -681,7 +778,7 @@ nvd0_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
        if (ret)
                return ret;
 
-       push = evo_wait(crtc->dev, EVO_MASTER, 64);
+       push = evo_wait(nvd0_mast(crtc->dev), 64);
        if (push) {
                evo_mthd(push, 0x0410 + (nv_crtc->index * 0x300), 6);
                evo_data(push, 0x00000000);
@@ -699,7 +796,7 @@ nvd0_crtc_mode_set(struct drm_crtc *crtc, struct drm_display_mode *umode,
                evo_mthd(push, 0x04d0 + (nv_crtc->index * 0x300), 2);
                evo_data(push, 0x00000311);
                evo_data(push, 0x00000100);
-               evo_kick(push, crtc->dev, EVO_MASTER);
+               evo_kick(push, nvd0_mast(crtc->dev));
        }
 
        nv_connector = nouveau_crtc_connector_get(nv_crtc);
@@ -800,11 +897,10 @@ nvd0_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
 static int
 nvd0_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
 {
-       struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
-       int ch = EVO_CURS(nv_crtc->index);
-
-       evo_piow(crtc->dev, ch, 0x0084, (y << 16) | (x & 0xffff));
-       evo_piow(crtc->dev, ch, 0x0080, 0x00000000);
+       struct nvd0_curs *curs = nvd0_curs(crtc);
+       struct nvd0_chan *chan = nvd0_chan(curs);
+       nv_wo32(chan->user, 0x0084, (y << 16) | (x & 0xffff));
+       nv_wo32(chan->user, 0x0080, 0x00000000);
        return 0;
 }
 
@@ -829,6 +925,12 @@ static void
 nvd0_crtc_destroy(struct drm_crtc *crtc)
 {
        struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
+       struct nvd0_disp *disp = nvd0_disp(crtc->dev);
+       struct nvd0_head *head = nvd0_head(crtc);
+       nvd0_dmac_destroy(disp->core, &head->ovly.base);
+       nvd0_pioc_destroy(disp->core, &head->oimm.base);
+       nvd0_dmac_destroy(disp->core, &head->sync.base);
+       nvd0_pioc_destroy(disp->core, &head->curs.base);
        nouveau_bo_unmap(nv_crtc->cursor.nvbo);
        nouveau_bo_ref(NULL, &nv_crtc->cursor.nvbo);
        nouveau_bo_unmap(nv_crtc->lut.nvbo);
@@ -868,8 +970,9 @@ nvd0_cursor_set_offset(struct nouveau_crtc *nv_crtc, uint32_t offset)
 }
 
 static int
-nvd0_crtc_create(struct drm_device *dev, int index)
+nvd0_crtc_create(struct drm_device *dev, struct nouveau_object *core, int index)
 {
+       struct nvd0_disp *disp = nvd0_disp(dev);
        struct nvd0_head *head;
        struct drm_crtc *crtc;
        int ret, i;
@@ -894,6 +997,30 @@ nvd0_crtc_create(struct drm_device *dev, int index)
        drm_crtc_helper_add(crtc, &nvd0_crtc_hfunc);
        drm_mode_crtc_set_gamma_size(crtc, 256);
 
+       ret = nouveau_bo_new(dev, 8192, 0x100, TTM_PL_FLAG_VRAM,
+                            0, 0x0000, NULL, &head->base.lut.nvbo);
+       if (!ret) {
+               ret = nouveau_bo_pin(head->base.lut.nvbo, TTM_PL_FLAG_VRAM);
+               if (!ret)
+                       ret = nouveau_bo_map(head->base.lut.nvbo);
+               if (ret)
+                       nouveau_bo_ref(NULL, &head->base.lut.nvbo);
+       }
+
+       if (ret)
+               goto out;
+
+       nvd0_crtc_lut_load(crtc);
+
+       /* allocate cursor resources */
+       ret = nvd0_pioc_create(disp->core, NV50_DISP_CURS_CLASS, index,
+                             &(struct nv50_display_curs_class) {
+                                       .head = index,
+                             }, sizeof(struct nv50_display_curs_class),
+                             &head->curs.base);
+       if (ret)
+               goto out;
+
        ret = nouveau_bo_new(dev, 64 * 64 * 4, 0x100, TTM_PL_FLAG_VRAM,
                             0, 0x0000, NULL, &head->base.cursor.nvbo);
        if (!ret) {
@@ -907,20 +1034,35 @@ nvd0_crtc_create(struct drm_device *dev, int index)
        if (ret)
                goto out;
 
-       ret = nouveau_bo_new(dev, 8192, 0x100, TTM_PL_FLAG_VRAM,
-                            0, 0x0000, NULL, &head->base.lut.nvbo);
-       if (!ret) {
-               ret = nouveau_bo_pin(head->base.lut.nvbo, TTM_PL_FLAG_VRAM);
-               if (!ret)
-                       ret = nouveau_bo_map(head->base.lut.nvbo);
-               if (ret)
-                       nouveau_bo_ref(NULL, &head->base.lut.nvbo);
-       }
+       /* allocate page flip / sync resources */
+       ret = nvd0_dmac_create(disp->core, NV50_DISP_SYNC_CLASS, index,
+                             &(struct nv50_display_sync_class) {
+                                       .pushbuf = EVO_PUSH_HANDLE(SYNC, index),
+                                       .head = index,
+                             }, sizeof(struct nv50_display_sync_class),
+                             disp->sync->bo.offset, &head->sync.base);
+       if (ret)
+               goto out;
+
+       head->sync.sem.offset = EVO_SYNC(1 + index, 0x00);
 
+       /* allocate overlay resources */
+       ret = nvd0_pioc_create(disp->core, NV50_DISP_OIMM_CLASS, index,
+                             &(struct nv50_display_oimm_class) {
+                                       .head = index,
+                             }, sizeof(struct nv50_display_oimm_class),
+                             &head->oimm.base);
        if (ret)
                goto out;
 
-       nvd0_crtc_lut_load(crtc);
+       ret = nvd0_dmac_create(disp->core, NV50_DISP_OVLY_CLASS, index,
+                             &(struct nv50_display_ovly_class) {
+                                       .pushbuf = EVO_PUSH_HANDLE(OVLY, index),
+                                       .head = index,
+                             }, sizeof(struct nv50_display_ovly_class),
+                             disp->sync->bo.offset, &head->ovly.base);
+       if (ret)
+               goto out;
 
 out:
        if (ret)
@@ -996,7 +1138,7 @@ nvd0_dac_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 
        nvd0_dac_dpms(encoder, DRM_MODE_DPMS_ON);
 
-       push = evo_wait(encoder->dev, EVO_MASTER, 8);
+       push = evo_wait(nvd0_mast(encoder->dev), 8);
        if (push) {
                evo_mthd(push, 0x0404 + (nv_crtc->index * 0x300), 2);
                evo_data(push, syncs);
@@ -1004,7 +1146,7 @@ nvd0_dac_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
                evo_mthd(push, 0x0180 + (nv_encoder->or * 0x020), 2);
                evo_data(push, 1 << nv_crtc->index);
                evo_data(push, 0x00ff);
-               evo_kick(push, encoder->dev, EVO_MASTER);
+               evo_kick(push, nvd0_mast(encoder->dev));
        }
 
        nv_encoder->crtc = encoder->crtc;
@@ -1020,13 +1162,13 @@ nvd0_dac_disconnect(struct drm_encoder *encoder)
        if (nv_encoder->crtc) {
                nvd0_crtc_prepare(nv_encoder->crtc);
 
-               push = evo_wait(dev, EVO_MASTER, 4);
+               push = evo_wait(nvd0_mast(dev), 4);
                if (push) {
                        evo_mthd(push, 0x0180 + (nv_encoder->or * 0x20), 1);
                        evo_data(push, 0x00000000);
                        evo_mthd(push, 0x0080, 1);
                        evo_data(push, 0x00000000);
-                       evo_kick(push, dev, EVO_MASTER);
+                       evo_kick(push, nvd0_mast(dev));
                }
 
                nv_encoder->crtc = NULL;
@@ -1433,13 +1575,13 @@ nvd0_sor_disconnect(struct drm_encoder *encoder)
        if (nv_encoder->crtc) {
                nvd0_crtc_prepare(nv_encoder->crtc);
 
-               push = evo_wait(dev, EVO_MASTER, 4);
+               push = evo_wait(nvd0_mast(dev), 4);
                if (push) {
                        evo_mthd(push, 0x0200 + (nv_encoder->or * 0x20), 1);
                        evo_data(push, 0x00000000);
                        evo_mthd(push, 0x0080, 1);
                        evo_data(push, 0x00000000);
-                       evo_kick(push, dev, EVO_MASTER);
+                       evo_kick(push, nvd0_mast(dev));
                }
 
                nvd0_hdmi_disconnect(encoder);
@@ -1454,7 +1596,7 @@ nvd0_sor_prepare(struct drm_encoder *encoder)
 {
        nvd0_sor_disconnect(encoder);
        if (nouveau_encoder(encoder)->dcb->type == DCB_OUTPUT_DP)
-               evo_sync(encoder->dev, EVO_MASTER);
+               evo_sync(encoder->dev);
 }
 
 static void
@@ -1561,7 +1703,7 @@ nvd0_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode,
                                         nv_encoder->dp.datarate);
        }
 
-       push = evo_wait(dev, EVO_MASTER, 8);
+       push = evo_wait(nvd0_mast(dev), 8);
        if (push) {
                evo_mthd(push, 0x0404 + (nv_crtc->index * 0x300), 2);
                evo_data(push, syncs);
@@ -1569,7 +1711,7 @@ nvd0_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode,
                evo_mthd(push, 0x0200 + (nv_encoder->or * 0x020), 2);
                evo_data(push, mode_ctrl);
                evo_data(push, or_config);
-               evo_kick(push, dev, EVO_MASTER);
+               evo_kick(push, nvd0_mast(dev));
        }
 
        nv_encoder->crtc = encoder->crtc;
@@ -1874,113 +2016,35 @@ nvd0_display_intr(struct drm_device *dev)
 void
 nvd0_display_fini(struct drm_device *dev)
 {
-       int i;
-
-       /* fini cursors + overlays + flips */
-       for (i = 1; i >= 0; i--) {
-               evo_fini_pio(dev, EVO_CURS(i));
-               evo_fini_pio(dev, EVO_OIMM(i));
-               evo_fini_dma(dev, EVO_OVLY(i));
-               evo_fini_dma(dev, EVO_FLIP(i));
-       }
-
-       /* fini master */
-       evo_fini_dma(dev, EVO_MASTER);
 }
 
 int
 nvd0_display_init(struct drm_device *dev)
 {
-       struct nvd0_disp *disp = nvd0_disp(dev);
-       struct nouveau_device *device = nouveau_dev(dev);
-       struct nouveau_drm *drm = nouveau_drm(dev);
-       int ret, i;
-       u32 *push;
-
-       if (nv_rd32(device, 0x6100ac) & 0x00000100) {
-               nv_wr32(device, 0x6100ac, 0x00000100);
-               nv_mask(device, 0x6194e8, 0x00000001, 0x00000000);
-               if (!nv_wait(device, 0x6194e8, 0x00000002, 0x00000000)) {
-                       NV_ERROR(drm, "PDISP: 0x6194e8 0x%08x\n",
-                                nv_rd32(device, 0x6194e8));
-                       return -EBUSY;
-               }
-       }
-
-       /* nfi what these are exactly, i do know that SOR_MODE_CTRL won't
-        * work at all unless you do the SOR part below.
-        */
-       for (i = 0; i < 3; i++) {
-               u32 dac = nv_rd32(device, 0x61a000 + (i * 0x800));
-               nv_wr32(device, 0x6101c0 + (i * 0x800), dac);
-       }
-
-       for (i = 0; i < 4; i++) {
-               u32 sor = nv_rd32(device, 0x61c000 + (i * 0x800));
-               nv_wr32(device, 0x6301c4 + (i * 0x800), sor);
-       }
-
-       for (i = 0; i < dev->mode_config.num_crtc; i++) {
-               u32 crtc0 = nv_rd32(device, 0x616104 + (i * 0x800));
-               u32 crtc1 = nv_rd32(device, 0x616108 + (i * 0x800));
-               u32 crtc2 = nv_rd32(device, 0x61610c + (i * 0x800));
-               nv_wr32(device, 0x6101b4 + (i * 0x800), crtc0);
-               nv_wr32(device, 0x6101b8 + (i * 0x800), crtc1);
-               nv_wr32(device, 0x6101bc + (i * 0x800), crtc2);
-       }
-
-       /* point at our hash table / objects, enable interrupts */
-       nv_wr32(device, 0x610010, (disp->mem->addr >> 8) | 9);
-       nv_mask(device, 0x6100b0, 0x00000307, 0x00000307);
-
-       /* init master */
-       ret = evo_init_dma(dev, EVO_MASTER);
-       if (ret)
-               goto error;
-
-       /* init flips + overlays + cursors */
-       for (i = 0; i < dev->mode_config.num_crtc; i++) {
-               if ((ret = evo_init_dma(dev, EVO_FLIP(i))) ||
-                   (ret = evo_init_dma(dev, EVO_OVLY(i))) ||
-                   (ret = evo_init_pio(dev, EVO_OIMM(i))) ||
-                   (ret = evo_init_pio(dev, EVO_CURS(i))))
-                       goto error;
-       }
-
-       push = evo_wait(dev, EVO_MASTER, 32);
-       if (!push) {
-               ret = -EBUSY;
-               goto error;
+       u32 *push = evo_wait(nvd0_mast(dev), 32);
+       if (push) {
+               evo_mthd(push, 0x0088, 1);
+               evo_data(push, NvEvoSync);
+               evo_mthd(push, 0x0084, 1);
+               evo_data(push, 0x00000000);
+               evo_mthd(push, 0x0084, 1);
+               evo_data(push, 0x80000000);
+               evo_mthd(push, 0x008c, 1);
+               evo_data(push, 0x00000000);
+               evo_kick(push, nvd0_mast(dev));
+               return 0;
        }
-       evo_mthd(push, 0x0088, 1);
-       evo_data(push, NvEvoSync);
-       evo_mthd(push, 0x0084, 1);
-       evo_data(push, 0x00000000);
-       evo_mthd(push, 0x0084, 1);
-       evo_data(push, 0x80000000);
-       evo_mthd(push, 0x008c, 1);
-       evo_data(push, 0x00000000);
-       evo_kick(push, dev, EVO_MASTER);
 
-error:
-       if (ret)
-               nvd0_display_fini(dev);
-       return ret;
+       return -EBUSY;
 }
 
 void
 nvd0_display_destroy(struct drm_device *dev)
 {
        struct nvd0_disp *disp = nvd0_disp(dev);
-       struct pci_dev *pdev = dev->pdev;
-       int i;
 
-       for (i = 0; i < EVO_DMA_NR; i++) {
-               struct evo *evo = &disp->evo[i];
-               pci_free_consistent(pdev, PAGE_SIZE, evo->ptr, evo->handle);
-       }
+       nvd0_dmac_destroy(disp->core, &disp->mast.base);
 
-       nouveau_gpuobj_ref(NULL, &disp->mem);
        nouveau_bo_unmap(disp->sync);
        nouveau_bo_ref(NULL, &disp->sync);
 
@@ -1991,13 +2055,14 @@ nvd0_display_destroy(struct drm_device *dev)
 int
 nvd0_display_create(struct drm_device *dev)
 {
+       static const u16 oclass[] = {
+               NVE0_DISP_CLASS,
+               NVD0_DISP_CLASS,
+       };
        struct nouveau_device *device = nouveau_dev(dev);
        struct nouveau_drm *drm = nouveau_drm(dev);
-       struct nouveau_bar *bar = nouveau_bar(device);
-       struct nouveau_fb *pfb = nouveau_fb(device);
        struct dcb_table *dcb = &drm->vbios.dcb;
        struct drm_connector *connector, *tmp;
-       struct pci_dev *pdev = dev->pdev;
        struct nvd0_disp *disp;
        struct dcb_output *dcbe;
        int crtcs, ret, i;
@@ -2011,10 +2076,44 @@ nvd0_display_create(struct drm_device *dev)
        nouveau_display(dev)->init = nvd0_display_init;
        nouveau_display(dev)->fini = nvd0_display_fini;
 
+       /* small shared memory area we use for notifiers and semaphores */
+       ret = nouveau_bo_new(dev, 4096, 0x1000, TTM_PL_FLAG_VRAM,
+                            0, 0x0000, NULL, &disp->sync);
+       if (!ret) {
+               ret = nouveau_bo_pin(disp->sync, TTM_PL_FLAG_VRAM);
+               if (!ret)
+                       ret = nouveau_bo_map(disp->sync);
+               if (ret)
+                       nouveau_bo_ref(NULL, &disp->sync);
+       }
+
+       if (ret)
+               goto out;
+
+       /* attempt to allocate a supported evo display class */
+       ret = -ENODEV;
+       for (i = 0; ret && i < ARRAY_SIZE(oclass); i++) {
+               ret = nouveau_object_new(nv_object(drm), NVDRM_DEVICE,
+                                        0xd1500000, oclass[i], NULL, 0,
+                                        &disp->core);
+       }
+
+       if (ret)
+               goto out;
+
+       /* allocate master evo channel */
+       ret = nvd0_dmac_create(disp->core, NV50_DISP_MAST_CLASS, 0,
+                             &(struct nv50_display_mast_class) {
+                                       .pushbuf = EVO_PUSH_HANDLE(MAST, 0),
+                             }, sizeof(struct nv50_display_mast_class),
+                             disp->sync->bo.offset, &disp->mast.base);
+       if (ret)
+               goto out;
+
        /* create crtc objects to represent the hw heads */
        crtcs = nv_rd32(device, 0x022448);
        for (i = 0; i < crtcs; i++) {
-               ret = nvd0_crtc_create(dev, i);
+               ret = nvd0_crtc_create(dev, disp->core, i);
                if (ret)
                        goto out;
        }
@@ -2060,84 +2159,6 @@ nvd0_display_create(struct drm_device *dev)
        /* setup interrupt handling */
        tasklet_init(&disp->tasklet, nvd0_display_bh, (unsigned long)dev);
 
-       /* small shared memory area we use for notifiers and semaphores */
-       ret = nouveau_bo_new(dev, 4096, 0x1000, TTM_PL_FLAG_VRAM,
-                            0, 0x0000, NULL, &disp->sync);
-       if (!ret) {
-               ret = nouveau_bo_pin(disp->sync, TTM_PL_FLAG_VRAM);
-               if (!ret)
-                       ret = nouveau_bo_map(disp->sync);
-               if (ret)
-                       nouveau_bo_ref(NULL, &disp->sync);
-       }
-
-       if (ret)
-               goto out;
-
-       /* hash table and dma objects for the memory areas we care about */
-       ret = nouveau_gpuobj_new(nv_object(device), NULL, 0x4000, 0x10000,
-                                NVOBJ_FLAG_ZERO_ALLOC, &disp->mem);
-       if (ret)
-               goto out;
-
-       /* create evo dma channels */
-       for (i = 0; i < EVO_DMA_NR; i++) {
-               struct evo *evo = &disp->evo[i];
-               u64 offset = disp->sync->bo.offset;
-               u32 dmao = 0x1000 + (i * 0x100);
-               u32 hash = 0x0000 + (i * 0x040);
-
-               evo->idx = i;
-               evo->sem.offset = EVO_SYNC(evo->idx, 0x00);
-               evo->ptr = pci_alloc_consistent(pdev, PAGE_SIZE, &evo->handle);
-               if (!evo->ptr) {
-                       ret = -ENOMEM;
-                       goto out;
-               }
-
-               nv_wo32(disp->mem, dmao + 0x00, 0x00000049);
-               nv_wo32(disp->mem, dmao + 0x04, (offset + 0x0000) >> 8);
-               nv_wo32(disp->mem, dmao + 0x08, (offset + 0x0fff) >> 8);
-               nv_wo32(disp->mem, dmao + 0x0c, 0x00000000);
-               nv_wo32(disp->mem, dmao + 0x10, 0x00000000);
-               nv_wo32(disp->mem, dmao + 0x14, 0x00000000);
-               nv_wo32(disp->mem, hash + 0x00, NvEvoSync);
-               nv_wo32(disp->mem, hash + 0x04, 0x00000001 | (i << 27) |
-                                               ((dmao + 0x00) << 9));
-
-               nv_wo32(disp->mem, dmao + 0x20, 0x00000049);
-               nv_wo32(disp->mem, dmao + 0x24, 0x00000000);
-               nv_wo32(disp->mem, dmao + 0x28, (pfb->ram.size - 1) >> 8);
-               nv_wo32(disp->mem, dmao + 0x2c, 0x00000000);
-               nv_wo32(disp->mem, dmao + 0x30, 0x00000000);
-               nv_wo32(disp->mem, dmao + 0x34, 0x00000000);
-               nv_wo32(disp->mem, hash + 0x08, NvEvoVRAM);
-               nv_wo32(disp->mem, hash + 0x0c, 0x00000001 | (i << 27) |
-                                               ((dmao + 0x20) << 9));
-
-               nv_wo32(disp->mem, dmao + 0x40, 0x00000009);
-               nv_wo32(disp->mem, dmao + 0x44, 0x00000000);
-               nv_wo32(disp->mem, dmao + 0x48, (pfb->ram.size - 1) >> 8);
-               nv_wo32(disp->mem, dmao + 0x4c, 0x00000000);
-               nv_wo32(disp->mem, dmao + 0x50, 0x00000000);
-               nv_wo32(disp->mem, dmao + 0x54, 0x00000000);
-               nv_wo32(disp->mem, hash + 0x10, NvEvoVRAM_LP);
-               nv_wo32(disp->mem, hash + 0x14, 0x00000001 | (i << 27) |
-                                               ((dmao + 0x40) << 9));
-
-               nv_wo32(disp->mem, dmao + 0x60, 0x0fe00009);
-               nv_wo32(disp->mem, dmao + 0x64, 0x00000000);
-               nv_wo32(disp->mem, dmao + 0x68, (pfb->ram.size - 1) >> 8);
-               nv_wo32(disp->mem, dmao + 0x6c, 0x00000000);
-               nv_wo32(disp->mem, dmao + 0x70, 0x00000000);
-               nv_wo32(disp->mem, dmao + 0x74, 0x00000000);
-               nv_wo32(disp->mem, hash + 0x18, NvEvoFB32);
-               nv_wo32(disp->mem, hash + 0x1c, 0x00000001 | (i << 27) |
-                                               ((dmao + 0x60) << 9));
-       }
-
-       bar->flush(bar);
-
 out:
        if (ret)
                nvd0_display_destroy(dev);