drm/nouveau: port all engines to new engine module format
[deliverable/linux.git] / drivers / gpu / drm / nouveau / core / engine / graph / nv20.c
index 0d874b8b18e5a312b5d9e07b46a082e54d90786f..61faef976aee9abe1b8741f3fc33a1f42665ab56 100644 (file)
-#include "drmP.h"
-#include "drm.h"
-#include "nouveau_drv.h"
-#include <nouveau_drm.h>
-
-/*
- * NV20
- * -----
- * There are 3 families :
- * NV20 is 0x10de:0x020*
- * NV25/28 is 0x10de:0x025* / 0x10de:0x028*
- * NV2A is 0x10de:0x02A0
- *
- * NV30
- * -----
- * There are 3 families :
- * NV30/31 is 0x10de:0x030* / 0x10de:0x031*
- * NV34 is 0x10de:0x032*
- * NV35/36 is 0x10de:0x033* / 0x10de:0x034*
- *
- * Not seen in the wild, no dumps (probably NV35) :
- * NV37 is 0x10de:0x00fc, 0x10de:0x00fd
- * NV38 is 0x10de:0x0333, 0x10de:0x00fe
- *
- */
-
-struct nv20_graph_engine {
-       struct nouveau_exec_engine base;
-       struct nouveau_gpuobj *ctxtab;
-       void (*grctx_init)(struct nouveau_gpuobj *);
-       u32 grctx_size;
-       u32 grctx_user;
+#include <core/os.h>
+#include <core/class.h>
+#include <core/engctx.h>
+#include <core/handle.h>
+#include <core/enum.h>
+
+#include <subdev/timer.h>
+#include <subdev/fb.h>
+
+#include <engine/graph.h>
+#include <engine/fifo.h>
+
+#include "nv20.h"
+#include "regs.h"
+
+/*******************************************************************************
+ * Graphics object classes
+ ******************************************************************************/
+
+static struct nouveau_oclass
+nv20_graph_sclass[] = {
+       { 0x0012, &nv04_graph_ofuncs, NULL }, /* beta1 */
+       { 0x0019, &nv04_graph_ofuncs, NULL }, /* clip */
+       { 0x0030, &nv04_graph_ofuncs, NULL }, /* null */
+       { 0x0039, &nv04_graph_ofuncs, NULL }, /* m2mf */
+       { 0x0043, &nv04_graph_ofuncs, NULL }, /* rop */
+       { 0x0044, &nv04_graph_ofuncs, NULL }, /* patt */
+       { 0x004a, &nv04_graph_ofuncs, NULL }, /* gdi */
+       { 0x0062, &nv04_graph_ofuncs, NULL }, /* surf2d */
+       { 0x0072, &nv04_graph_ofuncs, NULL }, /* beta4 */
+       { 0x0089, &nv04_graph_ofuncs, NULL }, /* sifm */
+       { 0x008a, &nv04_graph_ofuncs, NULL }, /* ifc */
+       { 0x0096, &nv04_graph_ofuncs, NULL }, /* celcius */
+       { 0x0097, &nv04_graph_ofuncs, NULL }, /* kelvin */
+       { 0x009e, &nv04_graph_ofuncs, NULL }, /* swzsurf */
+       { 0x009f, &nv04_graph_ofuncs, NULL }, /* imageblit */
+       {},
 };
 
-#define NV20_GRCTX_SIZE (3580*4)
-#define NV25_GRCTX_SIZE (3529*4)
-#define NV2A_GRCTX_SIZE (3500*4)
+/*******************************************************************************
+ * PGRAPH context
+ ******************************************************************************/
 
-#define NV30_31_GRCTX_SIZE (24392)
-#define NV34_GRCTX_SIZE    (18140)
-#define NV35_36_GRCTX_SIZE (22396)
-
-int
-nv20_graph_unload_context(struct drm_device *dev)
+static int
+nv20_graph_context_ctor(struct nouveau_object *parent,
+                       struct nouveau_object *engine,
+                       struct nouveau_oclass *oclass, void *data, u32 size,
+                       struct nouveau_object **pobject)
 {
-       struct nouveau_channel *chan;
-       struct nouveau_gpuobj *grctx;
-       u32 tmp;
-
-       chan = nv10_graph_channel(dev);
-       if (!chan)
-               return 0;
-       grctx = chan->engctx[NVOBJ_ENGINE_GR];
-
-       nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_POINTER, grctx->addr >> 4);
-       nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_XFER,
-                    NV20_PGRAPH_CHANNEL_CTX_XFER_SAVE);
-
-       nouveau_wait_for_idle(dev);
-
-       nv_wr32(dev, NV10_PGRAPH_CTX_CONTROL, 0x10000000);
-       tmp  = nv_rd32(dev, NV10_PGRAPH_CTX_USER) & 0x00ffffff;
-       tmp |= 31 << 24;
-       nv_wr32(dev, NV10_PGRAPH_CTX_USER, tmp);
-       return 0;
-}
+       struct nv20_graph_chan *chan;
+       int ret, i;
 
-static void
-nv20_graph_rdi(struct drm_device *dev)
-{
-       struct drm_nouveau_private *dev_priv = dev->dev_private;
-       int i, writecount = 32;
-       uint32_t rdi_index = 0x2c80000;
-
-       if (dev_priv->chipset == 0x20) {
-               rdi_index = 0x3d0000;
-               writecount = 15;
-       }
-
-       nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, rdi_index);
-       for (i = 0; i < writecount; i++)
-               nv_wr32(dev, NV10_PGRAPH_RDI_DATA, 0);
+       ret = nouveau_graph_context_create(parent, engine, oclass, NULL,
+                                          0x37f0, 16, NVOBJ_FLAG_ZERO_ALLOC,
+                                          &chan);
+       *pobject = nv_object(chan);
+       if (ret)
+               return ret;
 
-       nouveau_wait_for_idle(dev);
-}
+       chan->chid = nouveau_fifo_chan(parent)->chid;
 
-static void
-nv20_graph_context_init(struct nouveau_gpuobj *ctx)
-{
-       int i;
-
-       nv_wo32(ctx, 0x033c, 0xffff0000);
-       nv_wo32(ctx, 0x03a0, 0x0fff0000);
-       nv_wo32(ctx, 0x03a4, 0x0fff0000);
-       nv_wo32(ctx, 0x047c, 0x00000101);
-       nv_wo32(ctx, 0x0490, 0x00000111);
-       nv_wo32(ctx, 0x04a8, 0x44400000);
+       nv_wo32(chan, 0x0000, 0x00000001 | (chan->chid << 24));
+       nv_wo32(chan, 0x033c, 0xffff0000);
+       nv_wo32(chan, 0x03a0, 0x0fff0000);
+       nv_wo32(chan, 0x03a4, 0x0fff0000);
+       nv_wo32(chan, 0x047c, 0x00000101);
+       nv_wo32(chan, 0x0490, 0x00000111);
+       nv_wo32(chan, 0x04a8, 0x44400000);
        for (i = 0x04d4; i <= 0x04e0; i += 4)
-               nv_wo32(ctx, i, 0x00030303);
+               nv_wo32(chan, i, 0x00030303);
        for (i = 0x04f4; i <= 0x0500; i += 4)
-               nv_wo32(ctx, i, 0x00080000);
+               nv_wo32(chan, i, 0x00080000);
        for (i = 0x050c; i <= 0x0518; i += 4)
-               nv_wo32(ctx, i, 0x01012000);
+               nv_wo32(chan, i, 0x01012000);
        for (i = 0x051c; i <= 0x0528; i += 4)
-               nv_wo32(ctx, i, 0x000105b8);
+               nv_wo32(chan, i, 0x000105b8);
        for (i = 0x052c; i <= 0x0538; i += 4)
-               nv_wo32(ctx, i, 0x00080008);
+               nv_wo32(chan, i, 0x00080008);
        for (i = 0x055c; i <= 0x0598; i += 4)
-               nv_wo32(ctx, i, 0x07ff0000);
-       nv_wo32(ctx, 0x05a4, 0x4b7fffff);
-       nv_wo32(ctx, 0x05fc, 0x00000001);
-       nv_wo32(ctx, 0x0604, 0x00004000);
-       nv_wo32(ctx, 0x0610, 0x00000001);
-       nv_wo32(ctx, 0x0618, 0x00040000);
-       nv_wo32(ctx, 0x061c, 0x00010000);
+               nv_wo32(chan, i, 0x07ff0000);
+       nv_wo32(chan, 0x05a4, 0x4b7fffff);
+       nv_wo32(chan, 0x05fc, 0x00000001);
+       nv_wo32(chan, 0x0604, 0x00004000);
+       nv_wo32(chan, 0x0610, 0x00000001);
+       nv_wo32(chan, 0x0618, 0x00040000);
+       nv_wo32(chan, 0x061c, 0x00010000);
        for (i = 0x1c1c; i <= 0x248c; i += 16) {
-               nv_wo32(ctx, (i + 0), 0x10700ff9);
-               nv_wo32(ctx, (i + 4), 0x0436086c);
-               nv_wo32(ctx, (i + 8), 0x000c001b);
+               nv_wo32(chan, (i + 0), 0x10700ff9);
+               nv_wo32(chan, (i + 4), 0x0436086c);
+               nv_wo32(chan, (i + 8), 0x000c001b);
        }
-       nv_wo32(ctx, 0x281c, 0x3f800000);
-       nv_wo32(ctx, 0x2830, 0x3f800000);
-       nv_wo32(ctx, 0x285c, 0x40000000);
-       nv_wo32(ctx, 0x2860, 0x3f800000);
-       nv_wo32(ctx, 0x2864, 0x3f000000);
-       nv_wo32(ctx, 0x286c, 0x40000000);
-       nv_wo32(ctx, 0x2870, 0x3f800000);
-       nv_wo32(ctx, 0x2878, 0xbf800000);
-       nv_wo32(ctx, 0x2880, 0xbf800000);
-       nv_wo32(ctx, 0x34a4, 0x000fe000);
-       nv_wo32(ctx, 0x3530, 0x000003f8);
-       nv_wo32(ctx, 0x3540, 0x002fe000);
+       nv_wo32(chan, 0x281c, 0x3f800000);
+       nv_wo32(chan, 0x2830, 0x3f800000);
+       nv_wo32(chan, 0x285c, 0x40000000);
+       nv_wo32(chan, 0x2860, 0x3f800000);
+       nv_wo32(chan, 0x2864, 0x3f000000);
+       nv_wo32(chan, 0x286c, 0x40000000);
+       nv_wo32(chan, 0x2870, 0x3f800000);
+       nv_wo32(chan, 0x2878, 0xbf800000);
+       nv_wo32(chan, 0x2880, 0xbf800000);
+       nv_wo32(chan, 0x34a4, 0x000fe000);
+       nv_wo32(chan, 0x3530, 0x000003f8);
+       nv_wo32(chan, 0x3540, 0x002fe000);
        for (i = 0x355c; i <= 0x3578; i += 4)
-               nv_wo32(ctx, i, 0x001c527c);
+               nv_wo32(chan, i, 0x001c527c);
+       return 0;
 }
 
-static void
-nv25_graph_context_init(struct nouveau_gpuobj *ctx)
+int
+nv20_graph_context_init(struct nouveau_object *object)
 {
-       int i;
-
-       nv_wo32(ctx, 0x035c, 0xffff0000);
-       nv_wo32(ctx, 0x03c0, 0x0fff0000);
-       nv_wo32(ctx, 0x03c4, 0x0fff0000);
-       nv_wo32(ctx, 0x049c, 0x00000101);
-       nv_wo32(ctx, 0x04b0, 0x00000111);
-       nv_wo32(ctx, 0x04c8, 0x00000080);
-       nv_wo32(ctx, 0x04cc, 0xffff0000);
-       nv_wo32(ctx, 0x04d0, 0x00000001);
-       nv_wo32(ctx, 0x04e4, 0x44400000);
-       nv_wo32(ctx, 0x04fc, 0x4b800000);
-       for (i = 0x0510; i <= 0x051c; i += 4)
-               nv_wo32(ctx, i, 0x00030303);
-       for (i = 0x0530; i <= 0x053c; i += 4)
-               nv_wo32(ctx, i, 0x00080000);
-       for (i = 0x0548; i <= 0x0554; i += 4)
-               nv_wo32(ctx, i, 0x01012000);
-       for (i = 0x0558; i <= 0x0564; i += 4)
-               nv_wo32(ctx, i, 0x000105b8);
-       for (i = 0x0568; i <= 0x0574; i += 4)
-               nv_wo32(ctx, i, 0x00080008);
-       for (i = 0x0598; i <= 0x05d4; i += 4)
-               nv_wo32(ctx, i, 0x07ff0000);
-       nv_wo32(ctx, 0x05e0, 0x4b7fffff);
-       nv_wo32(ctx, 0x0620, 0x00000080);
-       nv_wo32(ctx, 0x0624, 0x30201000);
-       nv_wo32(ctx, 0x0628, 0x70605040);
-       nv_wo32(ctx, 0x062c, 0xb0a09080);
-       nv_wo32(ctx, 0x0630, 0xf0e0d0c0);
-       nv_wo32(ctx, 0x0664, 0x00000001);
-       nv_wo32(ctx, 0x066c, 0x00004000);
-       nv_wo32(ctx, 0x0678, 0x00000001);
-       nv_wo32(ctx, 0x0680, 0x00040000);
-       nv_wo32(ctx, 0x0684, 0x00010000);
-       for (i = 0x1b04; i <= 0x2374; i += 16) {
-               nv_wo32(ctx, (i + 0), 0x10700ff9);
-               nv_wo32(ctx, (i + 4), 0x0436086c);
-               nv_wo32(ctx, (i + 8), 0x000c001b);
-       }
-       nv_wo32(ctx, 0x2704, 0x3f800000);
-       nv_wo32(ctx, 0x2718, 0x3f800000);
-       nv_wo32(ctx, 0x2744, 0x40000000);
-       nv_wo32(ctx, 0x2748, 0x3f800000);
-       nv_wo32(ctx, 0x274c, 0x3f000000);
-       nv_wo32(ctx, 0x2754, 0x40000000);
-       nv_wo32(ctx, 0x2758, 0x3f800000);
-       nv_wo32(ctx, 0x2760, 0xbf800000);
-       nv_wo32(ctx, 0x2768, 0xbf800000);
-       nv_wo32(ctx, 0x308c, 0x000fe000);
-       nv_wo32(ctx, 0x3108, 0x000003f8);
-       nv_wo32(ctx, 0x3468, 0x002fe000);
-       for (i = 0x3484; i <= 0x34a0; i += 4)
-               nv_wo32(ctx, i, 0x001c527c);
-}
+       struct nv20_graph_priv *priv = (void *)object->engine;
+       struct nv20_graph_chan *chan = (void *)object;
+       int ret;
 
-static void
-nv2a_graph_context_init(struct nouveau_gpuobj *ctx)
-{
-       int i;
-
-       nv_wo32(ctx, 0x033c, 0xffff0000);
-       nv_wo32(ctx, 0x03a0, 0x0fff0000);
-       nv_wo32(ctx, 0x03a4, 0x0fff0000);
-       nv_wo32(ctx, 0x047c, 0x00000101);
-       nv_wo32(ctx, 0x0490, 0x00000111);
-       nv_wo32(ctx, 0x04a8, 0x44400000);
-       for (i = 0x04d4; i <= 0x04e0; i += 4)
-               nv_wo32(ctx, i, 0x00030303);
-       for (i = 0x04f4; i <= 0x0500; i += 4)
-               nv_wo32(ctx, i, 0x00080000);
-       for (i = 0x050c; i <= 0x0518; i += 4)
-               nv_wo32(ctx, i, 0x01012000);
-       for (i = 0x051c; i <= 0x0528; i += 4)
-               nv_wo32(ctx, i, 0x000105b8);
-       for (i = 0x052c; i <= 0x0538; i += 4)
-               nv_wo32(ctx, i, 0x00080008);
-       for (i = 0x055c; i <= 0x0598; i += 4)
-               nv_wo32(ctx, i, 0x07ff0000);
-       nv_wo32(ctx, 0x05a4, 0x4b7fffff);
-       nv_wo32(ctx, 0x05fc, 0x00000001);
-       nv_wo32(ctx, 0x0604, 0x00004000);
-       nv_wo32(ctx, 0x0610, 0x00000001);
-       nv_wo32(ctx, 0x0618, 0x00040000);
-       nv_wo32(ctx, 0x061c, 0x00010000);
-       for (i = 0x1a9c; i <= 0x22fc; i += 16) { /*XXX: check!! */
-               nv_wo32(ctx, (i + 0), 0x10700ff9);
-               nv_wo32(ctx, (i + 4), 0x0436086c);
-               nv_wo32(ctx, (i + 8), 0x000c001b);
-       }
-       nv_wo32(ctx, 0x269c, 0x3f800000);
-       nv_wo32(ctx, 0x26b0, 0x3f800000);
-       nv_wo32(ctx, 0x26dc, 0x40000000);
-       nv_wo32(ctx, 0x26e0, 0x3f800000);
-       nv_wo32(ctx, 0x26e4, 0x3f000000);
-       nv_wo32(ctx, 0x26ec, 0x40000000);
-       nv_wo32(ctx, 0x26f0, 0x3f800000);
-       nv_wo32(ctx, 0x26f8, 0xbf800000);
-       nv_wo32(ctx, 0x2700, 0xbf800000);
-       nv_wo32(ctx, 0x3024, 0x000fe000);
-       nv_wo32(ctx, 0x30a0, 0x000003f8);
-       nv_wo32(ctx, 0x33fc, 0x002fe000);
-       for (i = 0x341c; i <= 0x3438; i += 4)
-               nv_wo32(ctx, i, 0x001c527c);
-}
+       ret = nouveau_graph_context_init(&chan->base);
+       if (ret)
+               return ret;
 
-static void
-nv30_31_graph_context_init(struct nouveau_gpuobj *ctx)
-{
-       int i;
-
-       nv_wo32(ctx, 0x0410, 0x00000101);
-       nv_wo32(ctx, 0x0424, 0x00000111);
-       nv_wo32(ctx, 0x0428, 0x00000060);
-       nv_wo32(ctx, 0x0444, 0x00000080);
-       nv_wo32(ctx, 0x0448, 0xffff0000);
-       nv_wo32(ctx, 0x044c, 0x00000001);
-       nv_wo32(ctx, 0x0460, 0x44400000);
-       nv_wo32(ctx, 0x048c, 0xffff0000);
-       for (i = 0x04e0; i < 0x04e8; i += 4)
-               nv_wo32(ctx, i, 0x0fff0000);
-       nv_wo32(ctx, 0x04ec, 0x00011100);
-       for (i = 0x0508; i < 0x0548; i += 4)
-               nv_wo32(ctx, i, 0x07ff0000);
-       nv_wo32(ctx, 0x0550, 0x4b7fffff);
-       nv_wo32(ctx, 0x058c, 0x00000080);
-       nv_wo32(ctx, 0x0590, 0x30201000);
-       nv_wo32(ctx, 0x0594, 0x70605040);
-       nv_wo32(ctx, 0x0598, 0xb8a89888);
-       nv_wo32(ctx, 0x059c, 0xf8e8d8c8);
-       nv_wo32(ctx, 0x05b0, 0xb0000000);
-       for (i = 0x0600; i < 0x0640; i += 4)
-               nv_wo32(ctx, i, 0x00010588);
-       for (i = 0x0640; i < 0x0680; i += 4)
-               nv_wo32(ctx, i, 0x00030303);
-       for (i = 0x06c0; i < 0x0700; i += 4)
-               nv_wo32(ctx, i, 0x0008aae4);
-       for (i = 0x0700; i < 0x0740; i += 4)
-               nv_wo32(ctx, i, 0x01012000);
-       for (i = 0x0740; i < 0x0780; i += 4)
-               nv_wo32(ctx, i, 0x00080008);
-       nv_wo32(ctx, 0x085c, 0x00040000);
-       nv_wo32(ctx, 0x0860, 0x00010000);
-       for (i = 0x0864; i < 0x0874; i += 4)
-               nv_wo32(ctx, i, 0x00040004);
-       for (i = 0x1f18; i <= 0x3088 ; i += 16) {
-               nv_wo32(ctx, i + 0, 0x10700ff9);
-               nv_wo32(ctx, i + 1, 0x0436086c);
-               nv_wo32(ctx, i + 2, 0x000c001b);
-       }
-       for (i = 0x30b8; i < 0x30c8; i += 4)
-               nv_wo32(ctx, i, 0x0000ffff);
-       nv_wo32(ctx, 0x344c, 0x3f800000);
-       nv_wo32(ctx, 0x3808, 0x3f800000);
-       nv_wo32(ctx, 0x381c, 0x3f800000);
-       nv_wo32(ctx, 0x3848, 0x40000000);
-       nv_wo32(ctx, 0x384c, 0x3f800000);
-       nv_wo32(ctx, 0x3850, 0x3f000000);
-       nv_wo32(ctx, 0x3858, 0x40000000);
-       nv_wo32(ctx, 0x385c, 0x3f800000);
-       nv_wo32(ctx, 0x3864, 0xbf800000);
-       nv_wo32(ctx, 0x386c, 0xbf800000);
+       nv_wo32(priv->ctxtab, chan->chid * 4, nv_gpuobj(chan)->addr >> 4);
+       return 0;
 }
 
-static void
-nv34_graph_context_init(struct nouveau_gpuobj *ctx)
+int
+nv20_graph_context_fini(struct nouveau_object *object, bool suspend)
 {
-       int i;
-
-       nv_wo32(ctx, 0x040c, 0x01000101);
-       nv_wo32(ctx, 0x0420, 0x00000111);
-       nv_wo32(ctx, 0x0424, 0x00000060);
-       nv_wo32(ctx, 0x0440, 0x00000080);
-       nv_wo32(ctx, 0x0444, 0xffff0000);
-       nv_wo32(ctx, 0x0448, 0x00000001);
-       nv_wo32(ctx, 0x045c, 0x44400000);
-       nv_wo32(ctx, 0x0480, 0xffff0000);
-       for (i = 0x04d4; i < 0x04dc; i += 4)
-               nv_wo32(ctx, i, 0x0fff0000);
-       nv_wo32(ctx, 0x04e0, 0x00011100);
-       for (i = 0x04fc; i < 0x053c; i += 4)
-               nv_wo32(ctx, i, 0x07ff0000);
-       nv_wo32(ctx, 0x0544, 0x4b7fffff);
-       nv_wo32(ctx, 0x057c, 0x00000080);
-       nv_wo32(ctx, 0x0580, 0x30201000);
-       nv_wo32(ctx, 0x0584, 0x70605040);
-       nv_wo32(ctx, 0x0588, 0xb8a89888);
-       nv_wo32(ctx, 0x058c, 0xf8e8d8c8);
-       nv_wo32(ctx, 0x05a0, 0xb0000000);
-       for (i = 0x05f0; i < 0x0630; i += 4)
-               nv_wo32(ctx, i, 0x00010588);
-       for (i = 0x0630; i < 0x0670; i += 4)
-               nv_wo32(ctx, i, 0x00030303);
-       for (i = 0x06b0; i < 0x06f0; i += 4)
-               nv_wo32(ctx, i, 0x0008aae4);
-       for (i = 0x06f0; i < 0x0730; i += 4)
-               nv_wo32(ctx, i, 0x01012000);
-       for (i = 0x0730; i < 0x0770; i += 4)
-               nv_wo32(ctx, i, 0x00080008);
-       nv_wo32(ctx, 0x0850, 0x00040000);
-       nv_wo32(ctx, 0x0854, 0x00010000);
-       for (i = 0x0858; i < 0x0868; i += 4)
-               nv_wo32(ctx, i, 0x00040004);
-       for (i = 0x15ac; i <= 0x271c ; i += 16) {
-               nv_wo32(ctx, i + 0, 0x10700ff9);
-               nv_wo32(ctx, i + 1, 0x0436086c);
-               nv_wo32(ctx, i + 2, 0x000c001b);
+       struct nv20_graph_priv *priv = (void *)object->engine;
+       struct nv20_graph_chan *chan = (void *)object;
+       int chid = -1;
+
+       nv_mask(priv, 0x400720, 0x00000001, 0x00000000);
+       if (nv_rd32(priv, 0x400144) & 0x00010000)
+               chid = (nv_rd32(priv, 0x400148) & 0x1f000000) >> 24;
+       if (chan->chid == chid) {
+               nv_wr32(priv, 0x400784, nv_gpuobj(chan)->addr >> 4);
+               nv_wr32(priv, 0x400788, 0x00000002);
+               nv_wait(priv, 0x400700, 0xffffffff, 0x00000000);
+               nv_wr32(priv, 0x400144, 0x10000000);
+               nv_mask(priv, 0x400148, 0xff000000, 0x1f000000);
        }
-       for (i = 0x274c; i < 0x275c; i += 4)
-               nv_wo32(ctx, i, 0x0000ffff);
-       nv_wo32(ctx, 0x2ae0, 0x3f800000);
-       nv_wo32(ctx, 0x2e9c, 0x3f800000);
-       nv_wo32(ctx, 0x2eb0, 0x3f800000);
-       nv_wo32(ctx, 0x2edc, 0x40000000);
-       nv_wo32(ctx, 0x2ee0, 0x3f800000);
-       nv_wo32(ctx, 0x2ee4, 0x3f000000);
-       nv_wo32(ctx, 0x2eec, 0x40000000);
-       nv_wo32(ctx, 0x2ef0, 0x3f800000);
-       nv_wo32(ctx, 0x2ef8, 0xbf800000);
-       nv_wo32(ctx, 0x2f00, 0xbf800000);
-}
+       nv_mask(priv, 0x400720, 0x00000001, 0x00000001);
 
-static void
-nv35_36_graph_context_init(struct nouveau_gpuobj *ctx)
-{
-       int i;
-
-       nv_wo32(ctx, 0x040c, 0x00000101);
-       nv_wo32(ctx, 0x0420, 0x00000111);
-       nv_wo32(ctx, 0x0424, 0x00000060);
-       nv_wo32(ctx, 0x0440, 0x00000080);
-       nv_wo32(ctx, 0x0444, 0xffff0000);
-       nv_wo32(ctx, 0x0448, 0x00000001);
-       nv_wo32(ctx, 0x045c, 0x44400000);
-       nv_wo32(ctx, 0x0488, 0xffff0000);
-       for (i = 0x04dc; i < 0x04e4; i += 4)
-               nv_wo32(ctx, i, 0x0fff0000);
-       nv_wo32(ctx, 0x04e8, 0x00011100);
-       for (i = 0x0504; i < 0x0544; i += 4)
-               nv_wo32(ctx, i, 0x07ff0000);
-       nv_wo32(ctx, 0x054c, 0x4b7fffff);
-       nv_wo32(ctx, 0x0588, 0x00000080);
-       nv_wo32(ctx, 0x058c, 0x30201000);
-       nv_wo32(ctx, 0x0590, 0x70605040);
-       nv_wo32(ctx, 0x0594, 0xb8a89888);
-       nv_wo32(ctx, 0x0598, 0xf8e8d8c8);
-       nv_wo32(ctx, 0x05ac, 0xb0000000);
-       for (i = 0x0604; i < 0x0644; i += 4)
-               nv_wo32(ctx, i, 0x00010588);
-       for (i = 0x0644; i < 0x0684; i += 4)
-               nv_wo32(ctx, i, 0x00030303);
-       for (i = 0x06c4; i < 0x0704; i += 4)
-               nv_wo32(ctx, i, 0x0008aae4);
-       for (i = 0x0704; i < 0x0744; i += 4)
-               nv_wo32(ctx, i, 0x01012000);
-       for (i = 0x0744; i < 0x0784; i += 4)
-               nv_wo32(ctx, i, 0x00080008);
-       nv_wo32(ctx, 0x0860, 0x00040000);
-       nv_wo32(ctx, 0x0864, 0x00010000);
-       for (i = 0x0868; i < 0x0878; i += 4)
-               nv_wo32(ctx, i, 0x00040004);
-       for (i = 0x1f1c; i <= 0x308c ; i += 16) {
-               nv_wo32(ctx, i + 0, 0x10700ff9);
-               nv_wo32(ctx, i + 4, 0x0436086c);
-               nv_wo32(ctx, i + 8, 0x000c001b);
-       }
-       for (i = 0x30bc; i < 0x30cc; i += 4)
-               nv_wo32(ctx, i, 0x0000ffff);
-       nv_wo32(ctx, 0x3450, 0x3f800000);
-       nv_wo32(ctx, 0x380c, 0x3f800000);
-       nv_wo32(ctx, 0x3820, 0x3f800000);
-       nv_wo32(ctx, 0x384c, 0x40000000);
-       nv_wo32(ctx, 0x3850, 0x3f800000);
-       nv_wo32(ctx, 0x3854, 0x3f000000);
-       nv_wo32(ctx, 0x385c, 0x40000000);
-       nv_wo32(ctx, 0x3860, 0x3f800000);
-       nv_wo32(ctx, 0x3868, 0xbf800000);
-       nv_wo32(ctx, 0x3870, 0xbf800000);
+       nv_wo32(priv->ctxtab, chan->chid * 4, 0x00000000);
+       return nouveau_graph_context_fini(&chan->base, suspend);
 }
 
-int
-nv20_graph_context_new(struct nouveau_channel *chan, int engine)
-{
-       struct nv20_graph_engine *pgraph = nv_engine(chan->dev, engine);
-       struct nouveau_gpuobj *grctx = NULL;
-       struct drm_device *dev = chan->dev;
-       int ret;
-
-       ret = nouveau_gpuobj_new(dev, NULL, pgraph->grctx_size, 16,
-                                NVOBJ_FLAG_ZERO_ALLOC, &grctx);
-       if (ret)
-               return ret;
-
-       /* Initialise default context values */
-       pgraph->grctx_init(grctx);
-
-       /* nv20: nv_wo32(dev, chan->ramin_grctx->gpuobj, 10, chan->id<<24); */
-       /* CTX_USER */
-       nv_wo32(grctx, pgraph->grctx_user, (chan->id << 24) | 0x1);
+static struct nouveau_oclass
+nv20_graph_cclass = {
+       .handle = NV_ENGCTX(GR, 0x20),
+       .ofuncs = &(struct nouveau_ofuncs) {
+               .ctor = nv20_graph_context_ctor,
+               .dtor = _nouveau_graph_context_dtor,
+               .init = nv20_graph_context_init,
+               .fini = nv20_graph_context_fini,
+               .rd32 = _nouveau_graph_context_rd32,
+               .wr32 = _nouveau_graph_context_wr32,
+       },
+};
 
-       nv_wo32(pgraph->ctxtab, chan->id * 4, grctx->addr >> 4);
-       chan->engctx[engine] = grctx;
-       return 0;
-}
+/*******************************************************************************
+ * PGRAPH engine/subdev functions
+ ******************************************************************************/
 
 void
-nv20_graph_context_del(struct nouveau_channel *chan, int engine)
+nv20_graph_tile_prog(struct nouveau_engine *engine, int i)
 {
-       struct nv20_graph_engine *pgraph = nv_engine(chan->dev, engine);
-       struct nouveau_gpuobj *grctx = chan->engctx[engine];
-       struct drm_device *dev = chan->dev;
-       struct drm_nouveau_private *dev_priv = dev->dev_private;
+       struct nouveau_fb_tile *tile = &nouveau_fb(engine)->tile.region[i];
+       struct nouveau_fifo *pfifo = nouveau_fifo(engine);
+       struct nv20_graph_priv *priv = (void *)engine;
        unsigned long flags;
 
-       spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
-       nv_mask(dev, NV04_PGRAPH_FIFO, 0x00000001, 0x00000000);
+       pfifo->pause(pfifo, &flags);
+       nv04_graph_idle(priv);
 
-       /* Unload the context if it's the currently active one */
-       if (nv10_graph_channel(dev) == chan)
-               nv20_graph_unload_context(dev);
+       nv_wr32(priv, NV20_PGRAPH_TLIMIT(i), tile->limit);
+       nv_wr32(priv, NV20_PGRAPH_TSIZE(i), tile->pitch);
+       nv_wr32(priv, NV20_PGRAPH_TILE(i), tile->addr);
 
-       nv_mask(dev, NV04_PGRAPH_FIFO, 0x00000001, 0x00000001);
-       spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
+       nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00EA0030 + 4 * i);
+       nv_wr32(priv, NV10_PGRAPH_RDI_DATA, tile->limit);
+       nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00EA0050 + 4 * i);
+       nv_wr32(priv, NV10_PGRAPH_RDI_DATA, tile->pitch);
+       nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00EA0010 + 4 * i);
+       nv_wr32(priv, NV10_PGRAPH_RDI_DATA, tile->addr);
 
-       /* Free the context resources */
-       nv_wo32(pgraph->ctxtab, chan->id * 4, 0);
+       if (nv_device(engine)->card_type == NV_20) {
+               nv_wr32(priv, NV20_PGRAPH_ZCOMP(i), tile->zcomp);
+               nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00ea0090 + 4 * i);
+               nv_wr32(priv, NV10_PGRAPH_RDI_DATA, tile->zcomp);
+       }
 
-       nouveau_gpuobj_ref(NULL, &grctx);
-       chan->engctx[engine] = NULL;
+       pfifo->start(pfifo, &flags);
 }
 
-static void
-nv20_graph_set_tile_region(struct drm_device *dev, int i)
+void
+nv20_graph_intr(struct nouveau_subdev *subdev)
 {
-       struct drm_nouveau_private *dev_priv = dev->dev_private;
-       struct nouveau_fb_tile *tile = nvfb_tile(dev, i);
-
-       nv_wr32(dev, NV20_PGRAPH_TLIMIT(i), tile->limit);
-       nv_wr32(dev, NV20_PGRAPH_TSIZE(i), tile->pitch);
-       nv_wr32(dev, NV20_PGRAPH_TILE(i), tile->addr);
-
-       nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00EA0030 + 4 * i);
-       nv_wr32(dev, NV10_PGRAPH_RDI_DATA, tile->limit);
-       nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00EA0050 + 4 * i);
-       nv_wr32(dev, NV10_PGRAPH_RDI_DATA, tile->pitch);
-       nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00EA0010 + 4 * i);
-       nv_wr32(dev, NV10_PGRAPH_RDI_DATA, tile->addr);
-
-       if (dev_priv->card_type == NV_20) {
-               nv_wr32(dev, NV20_PGRAPH_ZCOMP(i), tile->zcomp);
-               nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00ea0090 + 4 * i);
-               nv_wr32(dev, NV10_PGRAPH_RDI_DATA, tile->zcomp);
+       struct nv20_graph_priv *priv = (void *)subdev;
+       struct nouveau_engine *engine = nv_engine(subdev);
+       struct nouveau_handle *handle = NULL;
+       u32 stat = nv_rd32(priv, NV03_PGRAPH_INTR);
+       u32 nsource = nv_rd32(priv, NV03_PGRAPH_NSOURCE);
+       u32 nstatus = nv_rd32(priv, NV03_PGRAPH_NSTATUS);
+       u32 addr = nv_rd32(priv, NV04_PGRAPH_TRAPPED_ADDR);
+       u32 chid = (addr & 0x01f00000) >> 20;
+       u32 subc = (addr & 0x00070000) >> 16;
+       u32 mthd = (addr & 0x00001ffc);
+       u32 data = nv_rd32(priv, NV04_PGRAPH_TRAPPED_DATA);
+       u32 class = nv_rd32(priv, 0x400160 + subc * 4) & 0xfff;
+       u32 inst = nv_ro32(priv->ctxtab, (chid * 4)) << 4;
+       u32 show = stat;
+
+       if (stat & NV_PGRAPH_INTR_ERROR) {
+               if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) {
+                       handle = nouveau_engctx_lookup_class(engine, inst, class);
+                       if (handle && !nv_call(handle->object, mthd, data))
+                               show &= ~NV_PGRAPH_INTR_ERROR;
+                       nouveau_engctx_handle_put(handle);
+               }
        }
-}
-
-int
-nv20_graph_init(struct drm_device *dev, int engine)
-{
-       struct nv20_graph_engine *pgraph = nv_engine(dev, engine);
-       struct drm_nouveau_private *dev_priv = dev->dev_private;
-       uint32_t tmp, vramsz;
-       int i;
-
-       nv_wr32(dev, NV03_PMC_ENABLE,
-               nv_rd32(dev, NV03_PMC_ENABLE) & ~NV_PMC_ENABLE_PGRAPH);
-       nv_wr32(dev, NV03_PMC_ENABLE,
-               nv_rd32(dev, NV03_PMC_ENABLE) |  NV_PMC_ENABLE_PGRAPH);
-
-       nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_TABLE, pgraph->ctxtab->addr >> 4);
-
-       nv20_graph_rdi(dev);
-
-       nv_wr32(dev, NV03_PGRAPH_INTR   , 0xFFFFFFFF);
-       nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
-
-       nv_wr32(dev, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
-       nv_wr32(dev, NV04_PGRAPH_DEBUG_0, 0x00000000);
-       nv_wr32(dev, NV04_PGRAPH_DEBUG_1, 0x00118700);
-       nv_wr32(dev, NV04_PGRAPH_DEBUG_3, 0xF3CE0475); /* 0x4 = auto ctx switch */
-       nv_wr32(dev, NV10_PGRAPH_DEBUG_4, 0x00000000);
-       nv_wr32(dev, 0x40009C           , 0x00000040);
-
-       if (dev_priv->chipset >= 0x25) {
-               nv_wr32(dev, 0x400890, 0x00a8cfff);
-               nv_wr32(dev, 0x400610, 0x304B1FB6);
-               nv_wr32(dev, 0x400B80, 0x1cbd3883);
-               nv_wr32(dev, 0x400B84, 0x44000000);
-               nv_wr32(dev, 0x400098, 0x40000080);
-               nv_wr32(dev, 0x400B88, 0x000000ff);
 
-       } else {
-               nv_wr32(dev, 0x400880, 0x0008c7df);
-               nv_wr32(dev, 0x400094, 0x00000005);
-               nv_wr32(dev, 0x400B80, 0x45eae20e);
-               nv_wr32(dev, 0x400B84, 0x24000000);
-               nv_wr32(dev, 0x400098, 0x00000040);
-               nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00E00038);
-               nv_wr32(dev, NV10_PGRAPH_RDI_DATA , 0x00000030);
-               nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00E10038);
-               nv_wr32(dev, NV10_PGRAPH_RDI_DATA , 0x00000030);
+       nv_wr32(priv, NV03_PGRAPH_INTR, stat);
+       nv_wr32(priv, NV04_PGRAPH_FIFO, 0x00000001);
+
+       if (show) {
+               nv_info(priv, "");
+               nouveau_bitfield_print(nv10_graph_intr_name, show);
+               printk(" nsource:");
+               nouveau_bitfield_print(nv04_graph_nsource, nsource);
+               printk(" nstatus:");
+               nouveau_bitfield_print(nv10_graph_nstatus, nstatus);
+               printk("\n");
+               nv_info(priv, "ch %d/%d class 0x%04x mthd 0x%04x data 0x%08x\n",
+                       chid, subc, class, mthd, data);
        }
+}
 
-       /* Turn all the tiling regions off. */
-       for (i = 0; i < NV10_PFB_TILE__SIZE; i++)
-               nv20_graph_set_tile_region(dev, i);
-
-       nv_wr32(dev, 0x4009a0, nv_rd32(dev, 0x100324));
-       nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00EA000C);
-       nv_wr32(dev, NV10_PGRAPH_RDI_DATA, nv_rd32(dev, 0x100324));
-
-       nv_wr32(dev, NV10_PGRAPH_CTX_CONTROL, 0x10000100);
-       nv_wr32(dev, NV10_PGRAPH_STATE      , 0xFFFFFFFF);
-
-       tmp = nv_rd32(dev, NV10_PGRAPH_SURFACE) & 0x0007ff00;
-       nv_wr32(dev, NV10_PGRAPH_SURFACE, tmp);
-       tmp = nv_rd32(dev, NV10_PGRAPH_SURFACE) | 0x00020100;
-       nv_wr32(dev, NV10_PGRAPH_SURFACE, tmp);
-
-       /* begin RAM config */
-       vramsz = pci_resource_len(dev->pdev, 0) - 1;
-       nv_wr32(dev, 0x4009A4, nv_rd32(dev, NV04_PFB_CFG0));
-       nv_wr32(dev, 0x4009A8, nv_rd32(dev, NV04_PFB_CFG1));
-       nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00EA0000);
-       nv_wr32(dev, NV10_PGRAPH_RDI_DATA , nv_rd32(dev, NV04_PFB_CFG0));
-       nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00EA0004);
-       nv_wr32(dev, NV10_PGRAPH_RDI_DATA , nv_rd32(dev, NV04_PFB_CFG1));
-       nv_wr32(dev, 0x400820, 0);
-       nv_wr32(dev, 0x400824, 0);
-       nv_wr32(dev, 0x400864, vramsz - 1);
-       nv_wr32(dev, 0x400868, vramsz - 1);
+static int
+nv20_graph_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
+              struct nouveau_oclass *oclass, void *data, u32 size,
+              struct nouveau_object **pobject)
+{
+       struct nv20_graph_priv *priv;
+       int ret;
 
-       /* interesting.. the below overwrites some of the tile setup above.. */
-       nv_wr32(dev, 0x400B20, 0x00000000);
-       nv_wr32(dev, 0x400B04, 0xFFFFFFFF);
+       ret = nouveau_graph_create(parent, engine, oclass, true, &priv);
+       *pobject = nv_object(priv);
+       if (ret)
+               return ret;
 
-       nv_wr32(dev, NV03_PGRAPH_ABS_UCLIP_XMIN, 0);
-       nv_wr32(dev, NV03_PGRAPH_ABS_UCLIP_YMIN, 0);
-       nv_wr32(dev, NV03_PGRAPH_ABS_UCLIP_XMAX, 0x7fff);
-       nv_wr32(dev, NV03_PGRAPH_ABS_UCLIP_YMAX, 0x7fff);
+       ret = nouveau_gpuobj_new(parent, NULL, 32 * 4, 16,
+                                NVOBJ_FLAG_ZERO_ALLOC, &priv->ctxtab);
+       if (ret)
+               return ret;
 
+       nv_subdev(priv)->unit = 0x00001000;
+       nv_subdev(priv)->intr = nv20_graph_intr;
+       nv_engine(priv)->cclass = &nv20_graph_cclass;
+       nv_engine(priv)->sclass = nv20_graph_sclass;
+       nv_engine(priv)->tile_prog = nv20_graph_tile_prog;
        return 0;
 }
 
-int
-nv30_graph_init(struct drm_device *dev, int engine)
+void
+nv20_graph_dtor(struct nouveau_object *object)
 {
-       struct nv20_graph_engine *pgraph = nv_engine(dev, engine);
-       struct drm_nouveau_private *dev_priv = dev->dev_private;
-       int i;
-
-       nv_wr32(dev, NV03_PMC_ENABLE,
-               nv_rd32(dev, NV03_PMC_ENABLE) & ~NV_PMC_ENABLE_PGRAPH);
-       nv_wr32(dev, NV03_PMC_ENABLE,
-               nv_rd32(dev, NV03_PMC_ENABLE) |  NV_PMC_ENABLE_PGRAPH);
-
-       nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_TABLE, pgraph->ctxtab->addr >> 4);
-
-       nv_wr32(dev, NV03_PGRAPH_INTR   , 0xFFFFFFFF);
-       nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
-
-       nv_wr32(dev, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
-       nv_wr32(dev, NV04_PGRAPH_DEBUG_0, 0x00000000);
-       nv_wr32(dev, NV04_PGRAPH_DEBUG_1, 0x401287c0);
-       nv_wr32(dev, 0x400890, 0x01b463ff);
-       nv_wr32(dev, NV04_PGRAPH_DEBUG_3, 0xf2de0475);
-       nv_wr32(dev, NV10_PGRAPH_DEBUG_4, 0x00008000);
-       nv_wr32(dev, NV04_PGRAPH_LIMIT_VIOL_PIX, 0xf04bdff6);
-       nv_wr32(dev, 0x400B80, 0x1003d888);
-       nv_wr32(dev, 0x400B84, 0x0c000000);
-       nv_wr32(dev, 0x400098, 0x00000000);
-       nv_wr32(dev, 0x40009C, 0x0005ad00);
-       nv_wr32(dev, 0x400B88, 0x62ff00ff); /* suspiciously like PGRAPH_DEBUG_2 */
-       nv_wr32(dev, 0x4000a0, 0x00000000);
-       nv_wr32(dev, 0x4000a4, 0x00000008);
-       nv_wr32(dev, 0x4008a8, 0xb784a400);
-       nv_wr32(dev, 0x400ba0, 0x002f8685);
-       nv_wr32(dev, 0x400ba4, 0x00231f3f);
-       nv_wr32(dev, 0x4008a4, 0x40000020);
-
-       if (dev_priv->chipset == 0x34) {
-               nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00EA0004);
-               nv_wr32(dev, NV10_PGRAPH_RDI_DATA , 0x00200201);
-               nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00EA0008);
-               nv_wr32(dev, NV10_PGRAPH_RDI_DATA , 0x00000008);
-               nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00EA0000);
-               nv_wr32(dev, NV10_PGRAPH_RDI_DATA , 0x00000032);
-               nv_wr32(dev, NV10_PGRAPH_RDI_INDEX, 0x00E00004);
-               nv_wr32(dev, NV10_PGRAPH_RDI_DATA , 0x00000002);
-       }
+       struct nv20_graph_priv *priv = (void *)object;
+       nouveau_gpuobj_ref(NULL, &priv->ctxtab);
+       nouveau_graph_destroy(&priv->base);
+}
 
-       nv_wr32(dev, 0x4000c0, 0x00000016);
+int
+nv20_graph_init(struct nouveau_object *object)
+{
+       struct nouveau_engine *engine = nv_engine(object);
+       struct nv20_graph_priv *priv = (void *)engine;
+       struct nouveau_fb *pfb = nouveau_fb(object);
+       u32 tmp, vramsz;
+       int ret, i;
 
-       /* Turn all the tiling regions off. */
-       for (i = 0; i < NV10_PFB_TILE__SIZE; i++)
-               nv20_graph_set_tile_region(dev, i);
+       ret = nouveau_graph_init(&priv->base);
+       if (ret)
+               return ret;
 
-       nv_wr32(dev, NV10_PGRAPH_CTX_CONTROL, 0x10000100);
-       nv_wr32(dev, NV10_PGRAPH_STATE      , 0xFFFFFFFF);
-       nv_wr32(dev, 0x0040075c             , 0x00000001);
+       nv_wr32(priv, NV20_PGRAPH_CHANNEL_CTX_TABLE, priv->ctxtab->addr >> 4);
 
-       /* begin RAM config */
-       /* vramsz = pci_resource_len(dev->pdev, 0) - 1; */
-       nv_wr32(dev, 0x4009A4, nv_rd32(dev, NV04_PFB_CFG0));
-       nv_wr32(dev, 0x4009A8, nv_rd32(dev, NV04_PFB_CFG1));
-       if (dev_priv->chipset != 0x34) {
-               nv_wr32(dev, 0x400750, 0x00EA0000);
-               nv_wr32(dev, 0x400754, nv_rd32(dev, NV04_PFB_CFG0));
-               nv_wr32(dev, 0x400750, 0x00EA0004);
-               nv_wr32(dev, 0x400754, nv_rd32(dev, NV04_PFB_CFG1));
+       if (nv_device(priv)->chipset == 0x20) {
+               nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x003d0000);
+               for (i = 0; i < 15; i++)
+                       nv_wr32(priv, NV10_PGRAPH_RDI_DATA, 0x00000000);
+               nv_wait(priv, 0x400700, 0xffffffff, 0x00000000);
+       } else {
+               nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x02c80000);
+               for (i = 0; i < 32; i++)
+                       nv_wr32(priv, NV10_PGRAPH_RDI_DATA, 0x00000000);
+               nv_wait(priv, 0x400700, 0xffffffff, 0x00000000);
        }
 
-       return 0;
-}
+       nv_wr32(priv, NV03_PGRAPH_INTR   , 0xFFFFFFFF);
+       nv_wr32(priv, NV03_PGRAPH_INTR_EN, 0xFFFFFFFF);
 
-int
-nv20_graph_fini(struct drm_device *dev, int engine, bool suspend)
-{
-       nv_mask(dev, NV04_PGRAPH_FIFO, 0x00000001, 0x00000000);
-       if (!nv_wait(dev, NV04_PGRAPH_STATUS, ~0, 0) && suspend) {
-               nv_mask(dev, NV04_PGRAPH_FIFO, 0x00000001, 0x00000001);
-               return -EBUSY;
-       }
-       nv20_graph_unload_context(dev);
-       nv_wr32(dev, NV03_PGRAPH_INTR_EN, 0x00000000);
-       return 0;
-}
+       nv_wr32(priv, NV04_PGRAPH_DEBUG_0, 0xFFFFFFFF);
+       nv_wr32(priv, NV04_PGRAPH_DEBUG_0, 0x00000000);
+       nv_wr32(priv, NV04_PGRAPH_DEBUG_1, 0x00118700);
+       nv_wr32(priv, NV04_PGRAPH_DEBUG_3, 0xF3CE0475); /* 0x4 = auto ctx switch */
+       nv_wr32(priv, NV10_PGRAPH_DEBUG_4, 0x00000000);
+       nv_wr32(priv, 0x40009C           , 0x00000040);
 
-static void
-nv20_graph_isr(struct drm_device *dev)
-{
-       u32 stat;
-
-       while ((stat = nv_rd32(dev, NV03_PGRAPH_INTR))) {
-               u32 nsource = nv_rd32(dev, NV03_PGRAPH_NSOURCE);
-               u32 nstatus = nv_rd32(dev, NV03_PGRAPH_NSTATUS);
-               u32 addr = nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR);
-               u32 chid = (addr & 0x01f00000) >> 20;
-               u32 subc = (addr & 0x00070000) >> 16;
-               u32 mthd = (addr & 0x00001ffc);
-               u32 data = nv_rd32(dev, NV04_PGRAPH_TRAPPED_DATA);
-               u32 class = nv_rd32(dev, 0x400160 + subc * 4) & 0xfff;
-               u32 show = stat;
-
-               if (stat & NV_PGRAPH_INTR_ERROR) {
-                       if (nsource & NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD) {
-                               if (!nouveau_gpuobj_mthd_call2(dev, chid, class, mthd, data))
-                                       show &= ~NV_PGRAPH_INTR_ERROR;
-                       }
-               }
+       if (nv_device(priv)->chipset >= 0x25) {
+               nv_wr32(priv, 0x400890, 0x00a8cfff);
+               nv_wr32(priv, 0x400610, 0x304B1FB6);
+               nv_wr32(priv, 0x400B80, 0x1cbd3883);
+               nv_wr32(priv, 0x400B84, 0x44000000);
+               nv_wr32(priv, 0x400098, 0x40000080);
+               nv_wr32(priv, 0x400B88, 0x000000ff);
 
-               nv_wr32(dev, NV03_PGRAPH_INTR, stat);
-               nv_wr32(dev, NV04_PGRAPH_FIFO, 0x00000001);
-
-               if (show && nouveau_ratelimit()) {
-                       NV_INFO(dev, "PGRAPH -");
-                       nouveau_bitfield_print(nv10_graph_intr, show);
-                       printk(" nsource:");
-                       nouveau_bitfield_print(nv04_graph_nsource, nsource);
-                       printk(" nstatus:");
-                       nouveau_bitfield_print(nv10_graph_nstatus, nstatus);
-                       printk("\n");
-                       NV_INFO(dev, "PGRAPH - ch %d/%d class 0x%04x "
-                                    "mthd 0x%04x data 0x%08x\n",
-                               chid, subc, class, mthd, data);
-               }
+       } else {
+               nv_wr32(priv, 0x400880, 0x0008c7df);
+               nv_wr32(priv, 0x400094, 0x00000005);
+               nv_wr32(priv, 0x400B80, 0x45eae20e);
+               nv_wr32(priv, 0x400B84, 0x24000000);
+               nv_wr32(priv, 0x400098, 0x00000040);
+               nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00E00038);
+               nv_wr32(priv, NV10_PGRAPH_RDI_DATA , 0x00000030);
+               nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00E10038);
+               nv_wr32(priv, NV10_PGRAPH_RDI_DATA , 0x00000030);
        }
-}
-
-static void
-nv20_graph_destroy(struct drm_device *dev, int engine)
-{
-       struct nv20_graph_engine *pgraph = nv_engine(dev, engine);
 
-       nouveau_irq_unregister(dev, 12);
-       nouveau_gpuobj_ref(NULL, &pgraph->ctxtab);
+       /* Turn all the tiling regions off. */
+       for (i = 0; i < pfb->tile.regions; i++)
+               engine->tile_prog(engine, i);
 
-       NVOBJ_ENGINE_DEL(dev, GR);
-       kfree(pgraph);
-}
+       nv_wr32(priv, 0x4009a0, nv_rd32(priv, 0x100324));
+       nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00EA000C);
+       nv_wr32(priv, NV10_PGRAPH_RDI_DATA, nv_rd32(priv, 0x100324));
 
-int
-nv20_graph_create(struct drm_device *dev)
-{
-       struct drm_nouveau_private *dev_priv = dev->dev_private;
-       struct nv20_graph_engine *pgraph;
-       int ret;
+       nv_wr32(priv, NV10_PGRAPH_CTX_CONTROL, 0x10000100);
+       nv_wr32(priv, NV10_PGRAPH_STATE      , 0xFFFFFFFF);
 
-       pgraph = kzalloc(sizeof(*pgraph), GFP_KERNEL);
-       if (!pgraph)
-               return -ENOMEM;
-
-       pgraph->base.destroy = nv20_graph_destroy;
-       pgraph->base.fini = nv20_graph_fini;
-       pgraph->base.context_new = nv20_graph_context_new;
-       pgraph->base.context_del = nv20_graph_context_del;
-       pgraph->base.object_new = nv04_graph_object_new;
-       pgraph->base.set_tile_region = nv20_graph_set_tile_region;
-
-       pgraph->grctx_user = 0x0028;
-       if (dev_priv->card_type == NV_20) {
-               pgraph->base.init = nv20_graph_init;
-               switch (dev_priv->chipset) {
-               case 0x20:
-                       pgraph->grctx_init = nv20_graph_context_init;
-                       pgraph->grctx_size = NV20_GRCTX_SIZE;
-                       pgraph->grctx_user = 0x0000;
-                       break;
-               case 0x25:
-               case 0x28:
-                       pgraph->grctx_init = nv25_graph_context_init;
-                       pgraph->grctx_size = NV25_GRCTX_SIZE;
-                       break;
-               case 0x2a:
-                       pgraph->grctx_init = nv2a_graph_context_init;
-                       pgraph->grctx_size = NV2A_GRCTX_SIZE;
-                       pgraph->grctx_user = 0x0000;
-                       break;
-               default:
-                       NV_ERROR(dev, "PGRAPH: unknown chipset\n");
-                       kfree(pgraph);
-                       return 0;
-               }
-       } else {
-               pgraph->base.init = nv30_graph_init;
-               switch (dev_priv->chipset) {
-               case 0x30:
-               case 0x31:
-                       pgraph->grctx_init = nv30_31_graph_context_init;
-                       pgraph->grctx_size = NV30_31_GRCTX_SIZE;
-                       break;
-               case 0x34:
-                       pgraph->grctx_init = nv34_graph_context_init;
-                       pgraph->grctx_size = NV34_GRCTX_SIZE;
-                       break;
-               case 0x35:
-               case 0x36:
-                       pgraph->grctx_init = nv35_36_graph_context_init;
-                       pgraph->grctx_size = NV35_36_GRCTX_SIZE;
-                       break;
-               default:
-                       NV_ERROR(dev, "PGRAPH: unknown chipset\n");
-                       kfree(pgraph);
-                       return 0;
-               }
-       }
+       tmp = nv_rd32(priv, NV10_PGRAPH_SURFACE) & 0x0007ff00;
+       nv_wr32(priv, NV10_PGRAPH_SURFACE, tmp);
+       tmp = nv_rd32(priv, NV10_PGRAPH_SURFACE) | 0x00020100;
+       nv_wr32(priv, NV10_PGRAPH_SURFACE, tmp);
 
-       /* Create Context Pointer Table */
-       ret = nouveau_gpuobj_new(dev, NULL, 32 * 4, 16, NVOBJ_FLAG_ZERO_ALLOC,
-                                &pgraph->ctxtab);
-       if (ret) {
-               kfree(pgraph);
-               return ret;
-       }
+       /* begin RAM config */
+       vramsz = pci_resource_len(nv_device(priv)->pdev, 0) - 1;
+       nv_wr32(priv, 0x4009A4, nv_rd32(priv, 0x100200));
+       nv_wr32(priv, 0x4009A8, nv_rd32(priv, 0x100204));
+       nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00EA0000);
+       nv_wr32(priv, NV10_PGRAPH_RDI_DATA , nv_rd32(priv, 0x100200));
+       nv_wr32(priv, NV10_PGRAPH_RDI_INDEX, 0x00EA0004);
+       nv_wr32(priv, NV10_PGRAPH_RDI_DATA , nv_rd32(priv, 0x100204));
+       nv_wr32(priv, 0x400820, 0);
+       nv_wr32(priv, 0x400824, 0);
+       nv_wr32(priv, 0x400864, vramsz - 1);
+       nv_wr32(priv, 0x400868, vramsz - 1);
 
-       NVOBJ_ENGINE_ADD(dev, GR, &pgraph->base);
-       nouveau_irq_register(dev, 12, nv20_graph_isr);
-
-       NVOBJ_CLASS(dev, 0x0030, GR); /* null */
-       NVOBJ_CLASS(dev, 0x0039, GR); /* m2mf */
-       NVOBJ_CLASS(dev, 0x004a, GR); /* gdirect */
-       NVOBJ_CLASS(dev, 0x009f, GR); /* imageblit (nv12) */
-       NVOBJ_CLASS(dev, 0x008a, GR); /* ifc */
-       NVOBJ_CLASS(dev, 0x0089, GR); /* sifm */
-       NVOBJ_CLASS(dev, 0x0062, GR); /* surf2d */
-       NVOBJ_CLASS(dev, 0x0043, GR); /* rop */
-       NVOBJ_CLASS(dev, 0x0012, GR); /* beta1 */
-       NVOBJ_CLASS(dev, 0x0072, GR); /* beta4 */
-       NVOBJ_CLASS(dev, 0x0019, GR); /* cliprect */
-       NVOBJ_CLASS(dev, 0x0044, GR); /* pattern */
-       if (dev_priv->card_type == NV_20) {
-               NVOBJ_CLASS(dev, 0x009e, GR); /* swzsurf */
-               NVOBJ_CLASS(dev, 0x0096, GR); /* celcius */
-
-               /* kelvin */
-               if (dev_priv->chipset < 0x25)
-                       NVOBJ_CLASS(dev, 0x0097, GR);
-               else
-                       NVOBJ_CLASS(dev, 0x0597, GR);
-       } else {
-               NVOBJ_CLASS(dev, 0x038a, GR); /* ifc (nv30) */
-               NVOBJ_CLASS(dev, 0x0389, GR); /* sifm (nv30) */
-               NVOBJ_CLASS(dev, 0x0362, GR); /* surf2d (nv30) */
-               NVOBJ_CLASS(dev, 0x039e, GR); /* swzsurf */
-
-               /* rankine */
-               if (0x00000003 & (1 << (dev_priv->chipset & 0x0f)))
-                       NVOBJ_CLASS(dev, 0x0397, GR);
-               else
-               if (0x00000010 & (1 << (dev_priv->chipset & 0x0f)))
-                       NVOBJ_CLASS(dev, 0x0697, GR);
-               else
-               if (0x000001e0 & (1 << (dev_priv->chipset & 0x0f)))
-                       NVOBJ_CLASS(dev, 0x0497, GR);
-       }
+       /* interesting.. the below overwrites some of the tile setup above.. */
+       nv_wr32(priv, 0x400B20, 0x00000000);
+       nv_wr32(priv, 0x400B04, 0xFFFFFFFF);
 
+       nv_wr32(priv, NV03_PGRAPH_ABS_UCLIP_XMIN, 0);
+       nv_wr32(priv, NV03_PGRAPH_ABS_UCLIP_YMIN, 0);
+       nv_wr32(priv, NV03_PGRAPH_ABS_UCLIP_XMAX, 0x7fff);
+       nv_wr32(priv, NV03_PGRAPH_ABS_UCLIP_YMAX, 0x7fff);
        return 0;
 }
+
+struct nouveau_oclass
+nv20_graph_oclass = {
+       .handle = NV_ENGINE(GR, 0x20),
+       .ofuncs = &(struct nouveau_ofuncs) {
+               .ctor = nv20_graph_ctor,
+               .dtor = nv20_graph_dtor,
+               .init = nv20_graph_init,
+               .fini = _nouveau_graph_fini,
+       },
+};
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