redonkable/alistair23-linux
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drm/nvd0/disp: setup a couple of dma objects we'll need

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-07-05 11:58:58 +10:00
parent 4600522a8f
commit efd272a7a0
1 changed files with 41 additions and 2 deletions
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43
drivers/gpu/drm/nouveau/nvd0_display.c
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@ -30,6 +30,9 @@
#include "nouveau_encoder.h"
#include "nouveau_crtc.h"
#define MEM_SYNC 0xe0000001
#define MEM_VRAM 0xe0010000
struct nvd0_display {
struct nouveau_gpuobj *mem;
struct {
@ -172,6 +175,7 @@ int
nvd0_display_init(struct drm_device *dev)
{
struct nvd0_display *disp = nvd0_display(dev);
u32 *push;
int i;
if (nv_rd32(dev, 0x6100ac) & 0x00000100) {
@ -189,7 +193,7 @@ nvd0_display_init(struct drm_device *dev)
/* init master */
nv_wr32(dev, 0x610494, (disp->evo[0].handle >> 8) | 3);
nv_wr32(dev, 0x610498, 0x00010000);
nv_wr32(dev, 0x61049c, 0x00000000);
nv_wr32(dev, 0x61049c, 0x00000001);
nv_mask(dev, 0x610490, 0x00000010, 0x00000010);
nv_wr32(dev, 0x640000, 0x00000000);
nv_wr32(dev, 0x610490, 0x01000013);
@ -214,6 +218,19 @@ nvd0_display_init(struct drm_device *dev)
nv_mask(dev, 0x6100a0, 1 << i, 1 << i);
}
push = evo_wait(dev, 0, 32);
if (!push)
return -EBUSY;
evo_mthd(push, 0x0088, 1);
evo_data(push, MEM_SYNC);
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, 0);
return 0;
}
@ -238,6 +255,7 @@ int
nvd0_display_create(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
struct pci_dev *pdev = dev->pdev;
struct nvd0_display *disp;
int ret;
@ -251,10 +269,31 @@ nvd0_display_create(struct drm_device *dev)
nouveau_irq_register(dev, 26, nvd0_display_intr);
/* hash table and dma objects for the memory areas we care about */
ret = nouveau_gpuobj_new(dev, NULL, 4 * 1024, 0x1000, 0, &disp->mem);
ret = nouveau_gpuobj_new(dev, NULL, 0x4000, 0x10000,
NVOBJ_FLAG_ZERO_ALLOC, &disp->mem);
if (ret)
goto out;
nv_wo32(disp->mem, 0x1000, 0x00000049);
nv_wo32(disp->mem, 0x1004, (disp->mem->vinst + 0x2000) >> 8);
nv_wo32(disp->mem, 0x1008, (disp->mem->vinst + 0x2fff) >> 8);
nv_wo32(disp->mem, 0x100c, 0x00000000);
nv_wo32(disp->mem, 0x1010, 0x00000000);
nv_wo32(disp->mem, 0x1014, 0x00000000);
nv_wo32(disp->mem, 0x0000, MEM_SYNC);
nv_wo32(disp->mem, 0x0004, (0x1000 << 9) | 0x00000001);
nv_wo32(disp->mem, 0x1020, 0x00000009);
nv_wo32(disp->mem, 0x1024, 0x00000000);
nv_wo32(disp->mem, 0x1028, (dev_priv->vram_size - 1) >> 8);
nv_wo32(disp->mem, 0x102c, 0x00000000);
nv_wo32(disp->mem, 0x1030, 0x00000000);
nv_wo32(disp->mem, 0x1034, 0x00000000);
nv_wo32(disp->mem, 0x0008, MEM_VRAM);
nv_wo32(disp->mem, 0x000c, (0x1020 << 9) | 0x00000001);
pinstmem->flush(dev);
/* push buffers for evo channels */
disp->evo[0].ptr =
pci_alloc_consistent(pdev, PAGE_SIZE, &disp->evo[0].handle);