drm/nouveau: restructure source tree, split core from drm implementation

Future work will be headed in the way of separating the policy supplied by
the nouveau drm module from the mechanisms provided by the driver core.

There will be a couple of major classes (subdev, engine) of driver modules
that have clearly defined tasks, and the further directory structure change
is to reflect this.

No code changes here whatsoever, aside from fixing up a couple of include
file pathnames.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 0 insertions, 836 deletions

diff --git a/drivers/gpu/drm/nouveau/nv20_graph.c b/drivers/gpu/drm/nouveau/nv20_graph.c
deleted file mode 100644
index e34ea30758f..00000000000
--- a/drivers/gpu/drm/nouveau/nv20_graph.c
+++ /dev/null
@@ -1,836 +0,0 @@
-#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;
-};
-
-#define NV20_GRCTX_SIZE (3580*4)
-#define NV25_GRCTX_SIZE (3529*4)
-#define NV2A_GRCTX_SIZE (3500*4)
-
-#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)
-{
-	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->pinst >> 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;
-}
-
-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);
-
-	nouveau_wait_for_idle(dev);
-}
-
-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);
-	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 = 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(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);
-	for (i = 0x355c; i <= 0x3578; i += 4)
-		nv_wo32(ctx, i, 0x001c527c);
-}
-
-static void
-nv25_graph_context_init(struct nouveau_gpuobj *ctx)
-{
-	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);
-}
-
-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);
-}
-
-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);
-}
-
-static void
-nv34_graph_context_init(struct nouveau_gpuobj *ctx)
-{
-	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);
-	}
-	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);
-}
-
-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);
-}
-
-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);
-
-	nv_wo32(pgraph->ctxtab, chan->id * 4, grctx->pinst >> 4);
-	chan->engctx[engine] = grctx;
-	return 0;
-}
-
-void
-nv20_graph_context_del(struct nouveau_channel *chan, int engine)
-{
-	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;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
-	nv_mask(dev, NV04_PGRAPH_FIFO, 0x00000001, 0x00000000);
-
-	/* Unload the context if it's the currently active one */
-	if (nv10_graph_channel(dev) == chan)
-		nv20_graph_unload_context(dev);
-
-	nv_mask(dev, NV04_PGRAPH_FIFO, 0x00000001, 0x00000001);
-	spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
-
-	/* Free the context resources */
-	nv_wo32(pgraph->ctxtab, chan->id * 4, 0);
-
-	nouveau_gpuobj_ref(NULL, &grctx);
-	chan->engctx[engine] = NULL;
-}
-
-static void
-nv20_graph_set_tile_region(struct drm_device *dev, int i)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_tile_reg *tile = &dev_priv->tile.reg[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);
-	}
-}
-
-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->pinst >> 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);
-	}
-
-	/* 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);
-
-	/* interesting.. the below overwrites some of the tile setup above.. */
-	nv_wr32(dev, 0x400B20, 0x00000000);
-	nv_wr32(dev, 0x400B04, 0xFFFFFFFF);
-
-	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);
-
-	return 0;
-}
-
-int
-nv30_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;
-	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->pinst >> 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);
-	}
-
-	nv_wr32(dev, 0x4000c0, 0x00000016);
-
-	/* 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, NV10_PGRAPH_CTX_CONTROL, 0x10000100);
-	nv_wr32(dev, NV10_PGRAPH_STATE      , 0xFFFFFFFF);
-	nv_wr32(dev, 0x0040075c             , 0x00000001);
-
-	/* 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));
-	}
-
-	return 0;
-}
-
-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;
-}
-
-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;
-			}
-		}
-
-		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);
-		}
-	}
-}
-
-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);
-
-	NVOBJ_ENGINE_DEL(dev, GR);
-	kfree(pgraph);
-}
-
-int
-nv20_graph_create(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nv20_graph_engine *pgraph;
-	int ret;
-
-	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;
-		}
-	}
-
-	/* 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;
-	}
-
-	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);
-	}
-
-	return 0;
-}