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Merge remote branch 'nouveau/for-airlied' of ../drm-nouveau-next into…
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… drm-linus

* 'nouveau/for-airlied' of ../drm-nouveau-next:
  drm/nv50: fix vram ptes on IGPs to point at stolen system memory
  drm/nv50: fix instmem binding on IGPs to point at stolen system memory
  drm/nv50: improve vram page table construction
  drm/nv50: more efficient clearing of gpu page table entries
  drm/nv50: make nv50_mem_vm_{bind,unbind} operate only on vram
  drm/nouveau: Fix up pre-nv17 analog load detection.
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Dave Airlie committed Feb 23, 2010
2 parents 635f1a3 + 6c42966 commit f7072e0
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Showing 4 changed files with 118 additions and 60 deletions.
1 change: 1 addition & 0 deletions drivers/gpu/drm/nouveau/nouveau_drv.h
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Original file line number Diff line number Diff line change
Expand Up @@ -583,6 +583,7 @@ struct drm_nouveau_private {
uint64_t vm_end;
struct nouveau_gpuobj *vm_vram_pt[NV50_VM_VRAM_NR];
int vm_vram_pt_nr;
uint64_t vram_sys_base;

/* the mtrr covering the FB */
int fb_mtrr;
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113 changes: 72 additions & 41 deletions drivers/gpu/drm/nouveau/nouveau_mem.c
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Original file line number Diff line number Diff line change
Expand Up @@ -285,53 +285,50 @@ nv50_mem_vm_bind_linear(struct drm_device *dev, uint64_t virt, uint32_t size,
uint32_t flags, uint64_t phys)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj **pgt;
unsigned psz, pfl, pages;

if (virt >= dev_priv->vm_gart_base &&
(virt + size) < (dev_priv->vm_gart_base + dev_priv->vm_gart_size)) {
psz = 12;
pgt = &dev_priv->gart_info.sg_ctxdma;
pfl = 0x21;
virt -= dev_priv->vm_gart_base;
} else
if (virt >= dev_priv->vm_vram_base &&
(virt + size) < (dev_priv->vm_vram_base + dev_priv->vm_vram_size)) {
psz = 16;
pgt = dev_priv->vm_vram_pt;
pfl = 0x01;
virt -= dev_priv->vm_vram_base;
} else {
NV_ERROR(dev, "Invalid address: 0x%16llx-0x%16llx\n",
virt, virt + size - 1);
return -EINVAL;
}
struct nouveau_gpuobj *pgt;
unsigned block;
int i;

pages = size >> psz;
virt = ((virt - dev_priv->vm_vram_base) >> 16) << 1;
size = (size >> 16) << 1;

phys |= ((uint64_t)flags << 32);
phys |= 1;
if (dev_priv->vram_sys_base) {
phys += dev_priv->vram_sys_base;
phys |= 0x30;
}

dev_priv->engine.instmem.prepare_access(dev, true);
if (flags & 0x80000000) {
while (pages--) {
struct nouveau_gpuobj *pt = pgt[virt >> 29];
unsigned pte = ((virt & 0x1fffffffULL) >> psz) << 1;
while (size) {
unsigned offset_h = upper_32_bits(phys);
unsigned offset_l = lower_32_bits(phys);
unsigned pte, end;

for (i = 7; i >= 0; i--) {
block = 1 << (i + 1);
if (size >= block && !(virt & (block - 1)))
break;
}
offset_l |= (i << 7);

nv_wo32(dev, pt, pte++, 0x00000000);
nv_wo32(dev, pt, pte++, 0x00000000);
phys += block << 15;
size -= block;

virt += (1 << psz);
}
} else {
while (pages--) {
struct nouveau_gpuobj *pt = pgt[virt >> 29];
unsigned pte = ((virt & 0x1fffffffULL) >> psz) << 1;
unsigned offset_h = upper_32_bits(phys) & 0xff;
unsigned offset_l = lower_32_bits(phys);
while (block) {
pgt = dev_priv->vm_vram_pt[virt >> 14];
pte = virt & 0x3ffe;

nv_wo32(dev, pt, pte++, offset_l | pfl);
nv_wo32(dev, pt, pte++, offset_h | flags);
end = pte + block;
if (end > 16384)
end = 16384;
block -= (end - pte);
virt += (end - pte);

phys += (1 << psz);
virt += (1 << psz);
while (pte < end) {
nv_wo32(dev, pgt, pte++, offset_l);
nv_wo32(dev, pgt, pte++, offset_h);
}
}
}
dev_priv->engine.instmem.finish_access(dev);
Expand All @@ -356,7 +353,41 @@ nv50_mem_vm_bind_linear(struct drm_device *dev, uint64_t virt, uint32_t size,
void
nv50_mem_vm_unbind(struct drm_device *dev, uint64_t virt, uint32_t size)
{
nv50_mem_vm_bind_linear(dev, virt, size, 0x80000000, 0);
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *pgt;
unsigned pages, pte, end;

virt -= dev_priv->vm_vram_base;
pages = (size >> 16) << 1;

dev_priv->engine.instmem.prepare_access(dev, true);
while (pages) {
pgt = dev_priv->vm_vram_pt[virt >> 29];
pte = (virt & 0x1ffe0000ULL) >> 15;

end = pte + pages;
if (end > 16384)
end = 16384;
pages -= (end - pte);
virt += (end - pte) << 15;

while (pte < end)
nv_wo32(dev, pgt, pte++, 0);
}
dev_priv->engine.instmem.finish_access(dev);

nv_wr32(dev, 0x100c80, 0x00050001);
if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) {
NV_ERROR(dev, "timeout: (0x100c80 & 1) == 0 (2)\n");
NV_ERROR(dev, "0x100c80 = 0x%08x\n", nv_rd32(dev, 0x100c80));
return;
}

nv_wr32(dev, 0x100c80, 0x00000001);
if (!nv_wait(0x100c80, 0x00000001, 0x00000000)) {
NV_ERROR(dev, "timeout: (0x100c80 & 1) == 0 (2)\n");
NV_ERROR(dev, "0x100c80 = 0x%08x\n", nv_rd32(dev, 0x100c80));
}
}

/*
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6 changes: 5 additions & 1 deletion drivers/gpu/drm/nouveau/nv04_dac.c
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Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,7 @@ static enum drm_connector_status nv04_dac_detect(struct drm_encoder *encoder,
struct drm_connector *connector)
{
struct drm_device *dev = encoder->dev;
uint8_t saved_seq1, saved_pi, saved_rpc1;
uint8_t saved_seq1, saved_pi, saved_rpc1, saved_cr_mode;
uint8_t saved_palette0[3], saved_palette_mask;
uint32_t saved_rtest_ctrl, saved_rgen_ctrl;
int i;
Expand All @@ -135,6 +135,9 @@ static enum drm_connector_status nv04_dac_detect(struct drm_encoder *encoder,
/* only implemented for head A for now */
NVSetOwner(dev, 0);

saved_cr_mode = NVReadVgaCrtc(dev, 0, NV_CIO_CR_MODE_INDEX);
NVWriteVgaCrtc(dev, 0, NV_CIO_CR_MODE_INDEX, saved_cr_mode | 0x80);

saved_seq1 = NVReadVgaSeq(dev, 0, NV_VIO_SR_CLOCK_INDEX);
NVWriteVgaSeq(dev, 0, NV_VIO_SR_CLOCK_INDEX, saved_seq1 & ~0x20);

Expand Down Expand Up @@ -203,6 +206,7 @@ static enum drm_connector_status nv04_dac_detect(struct drm_encoder *encoder,
NVWriteVgaCrtc(dev, 0, NV_CIO_CRE_PIXEL_INDEX, saved_pi);
NVWriteVgaCrtc(dev, 0, NV_CIO_CRE_RPC1_INDEX, saved_rpc1);
NVWriteVgaSeq(dev, 0, NV_VIO_SR_CLOCK_INDEX, saved_seq1);
NVWriteVgaCrtc(dev, 0, NV_CIO_CR_MODE_INDEX, saved_cr_mode);

if (blue == 0x18) {
NV_INFO(dev, "Load detected on head A\n");
Expand Down
58 changes: 40 additions & 18 deletions drivers/gpu/drm/nouveau/nv50_instmem.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,11 @@ nv50_instmem_init(struct drm_device *dev)
for (i = 0x1700; i <= 0x1710; i += 4)
priv->save1700[(i-0x1700)/4] = nv_rd32(dev, i);

if (dev_priv->chipset == 0xaa || dev_priv->chipset == 0xac)
dev_priv->vram_sys_base = nv_rd32(dev, 0x100e10) << 12;
else
dev_priv->vram_sys_base = 0;

/* Reserve the last MiB of VRAM, we should probably try to avoid
* setting up the below tables over the top of the VBIOS image at
* some point.
Expand Down Expand Up @@ -172,16 +177,28 @@ nv50_instmem_init(struct drm_device *dev)
* We map the entire fake channel into the start of the PRAMIN BAR
*/
ret = nouveau_gpuobj_new_ref(dev, chan, NULL, 0, pt_size, 0x1000,
0, &priv->pramin_pt);
0, &priv->pramin_pt);
if (ret)
return ret;

for (i = 0, v = c_offset; i < pt_size; i += 8, v += 0x1000) {
if (v < (c_offset + c_size))
BAR0_WI32(priv->pramin_pt->gpuobj, i + 0, v | 1);
else
BAR0_WI32(priv->pramin_pt->gpuobj, i + 0, 0x00000009);
v = c_offset | 1;
if (dev_priv->vram_sys_base) {
v += dev_priv->vram_sys_base;
v |= 0x30;
}

i = 0;
while (v < dev_priv->vram_sys_base + c_offset + c_size) {
BAR0_WI32(priv->pramin_pt->gpuobj, i + 0, v);
BAR0_WI32(priv->pramin_pt->gpuobj, i + 4, 0x00000000);
v += 0x1000;
i += 8;
}

while (i < pt_size) {
BAR0_WI32(priv->pramin_pt->gpuobj, i + 0, 0x00000000);
BAR0_WI32(priv->pramin_pt->gpuobj, i + 4, 0x00000000);
i += 8;
}

BAR0_WI32(chan->vm_pd, 0x00, priv->pramin_pt->instance | 0x63);
Expand Down Expand Up @@ -416,28 +433,34 @@ nv50_instmem_bind(struct drm_device *dev, struct nouveau_gpuobj *gpuobj)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nv50_instmem_priv *priv = dev_priv->engine.instmem.priv;
uint32_t pte, pte_end, vram;
struct nouveau_gpuobj *pramin_pt = priv->pramin_pt->gpuobj;
uint32_t pte, pte_end;
uint64_t vram;

if (!gpuobj->im_backing || !gpuobj->im_pramin || gpuobj->im_bound)
return -EINVAL;

NV_DEBUG(dev, "st=0x%0llx sz=0x%0llx\n",
gpuobj->im_pramin->start, gpuobj->im_pramin->size);

pte = (gpuobj->im_pramin->start >> 12) << 3;
pte_end = ((gpuobj->im_pramin->size >> 12) << 3) + pte;
pte = (gpuobj->im_pramin->start >> 12) << 1;
pte_end = ((gpuobj->im_pramin->size >> 12) << 1) + pte;
vram = gpuobj->im_backing_start;

NV_DEBUG(dev, "pramin=0x%llx, pte=%d, pte_end=%d\n",
gpuobj->im_pramin->start, pte, pte_end);
NV_DEBUG(dev, "first vram page: 0x%08x\n", gpuobj->im_backing_start);

vram |= 1;
if (dev_priv->vram_sys_base) {
vram += dev_priv->vram_sys_base;
vram |= 0x30;
}

dev_priv->engine.instmem.prepare_access(dev, true);
while (pte < pte_end) {
nv_wo32(dev, priv->pramin_pt->gpuobj, (pte + 0)/4, vram | 1);
nv_wo32(dev, priv->pramin_pt->gpuobj, (pte + 4)/4, 0x00000000);

pte += 8;
nv_wo32(dev, pramin_pt, pte++, lower_32_bits(vram));
nv_wo32(dev, pramin_pt, pte++, upper_32_bits(vram));
vram += NV50_INSTMEM_PAGE_SIZE;
}
dev_priv->engine.instmem.finish_access(dev);
Expand Down Expand Up @@ -470,14 +493,13 @@ nv50_instmem_unbind(struct drm_device *dev, struct nouveau_gpuobj *gpuobj)
if (gpuobj->im_bound == 0)
return -EINVAL;

pte = (gpuobj->im_pramin->start >> 12) << 3;
pte_end = ((gpuobj->im_pramin->size >> 12) << 3) + pte;
pte = (gpuobj->im_pramin->start >> 12) << 1;
pte_end = ((gpuobj->im_pramin->size >> 12) << 1) + pte;

dev_priv->engine.instmem.prepare_access(dev, true);
while (pte < pte_end) {
nv_wo32(dev, priv->pramin_pt->gpuobj, (pte + 0)/4, 0x00000009);
nv_wo32(dev, priv->pramin_pt->gpuobj, (pte + 4)/4, 0x00000000);
pte += 8;
nv_wo32(dev, priv->pramin_pt->gpuobj, pte++, 0x00000000);
nv_wo32(dev, priv->pramin_pt->gpuobj, pte++, 0x00000000);
}
dev_priv->engine.instmem.finish_access(dev);

Expand Down

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