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drm/gk104/fb/ram: twiddle some more bits when reclocking

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*when* this is done is only a rough approximation of what the binary driver
does.. need to investigate more to see if it matters

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2014-09-03 16:26:20 +10:00
parent 5af430abdf
commit b6f97a089b
1 changed files with 98 additions and 1 deletions
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99
drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c
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@ -1073,13 +1073,99 @@ nve0_ram_calc(struct nouveau_fb *pfb, u32 freq)
return nve0_ram_calc_xits(pfb, ram->base.next);
}
static void
nve0_ram_prog_0(struct nouveau_fb *pfb, u32 freq)
{
struct nve0_ram *ram = (void *)pfb->ram;
struct nouveau_ram_data *cfg;
u32 mhz = freq / 1000;
u32 mask, data;
list_for_each_entry(cfg, &ram->cfg, head) {
if (mhz >= cfg->bios.rammap_min &&
mhz <= cfg->bios.rammap_max)
break;
}
if (&cfg->head == &ram->cfg)
return;
if (mask = 0, data = 0, ram->diff.rammap_11_0a_03fe) {
data |= cfg->bios.rammap_11_0a_03fe << 12;
mask |= 0x001ff000;
}
if (ram->diff.rammap_11_09_01ff) {
data |= cfg->bios.rammap_11_09_01ff;
mask |= 0x000001ff;
}
nv_mask(pfb, 0x10f468, mask, data);
if (mask = 0, data = 0, ram->diff.rammap_11_0a_0400) {
data |= cfg->bios.rammap_11_0a_0400;
mask |= 0x00000001;
}
nv_mask(pfb, 0x10f420, mask, data);
if (mask = 0, data = 0, ram->diff.rammap_11_0a_0800) {
data |= cfg->bios.rammap_11_0a_0800;
mask |= 0x00000001;
}
nv_mask(pfb, 0x10f430, mask, data);
if (mask = 0, data = 0, ram->diff.rammap_11_0b_01f0) {
data |= cfg->bios.rammap_11_0b_01f0;
mask |= 0x0000001f;
}
nv_mask(pfb, 0x10f400, mask, data);
if (mask = 0, data = 0, ram->diff.rammap_11_0b_0200) {
data |= cfg->bios.rammap_11_0b_0200 << 9;
mask |= 0x00000200;
}
nv_mask(pfb, 0x10f410, mask, data);
if (mask = 0, data = 0, ram->diff.rammap_11_0d) {
data |= cfg->bios.rammap_11_0d << 16;
mask |= 0x00ff0000;
}
if (ram->diff.rammap_11_0f) {
data |= cfg->bios.rammap_11_0f << 8;
mask |= 0x0000ff00;
}
nv_mask(pfb, 0x10f440, mask, data);
if (mask = 0, data = 0, ram->diff.rammap_11_0e) {
data |= cfg->bios.rammap_11_0e << 8;
mask |= 0x0000ff00;
}
if (ram->diff.rammap_11_0b_0800) {
data |= cfg->bios.rammap_11_0b_0800 << 7;
mask |= 0x00000080;
}
if (ram->diff.rammap_11_0b_0400) {
data |= cfg->bios.rammap_11_0b_0400 << 5;
mask |= 0x00000020;
}
nv_mask(pfb, 0x10f444, mask, data);
}
static int
nve0_ram_prog(struct nouveau_fb *pfb)
{
struct nouveau_device *device = nv_device(pfb);
struct nve0_ram *ram = (void *)pfb->ram;
struct nve0_ramfuc *fuc = &ram->fuc;
ram_exec(fuc, nouveau_boolopt(device->cfgopt, "NvMemExec", true));
struct nouveau_ram_data *next = ram->base.next;
if (!nouveau_boolopt(device->cfgopt, "NvMemExec", true)) {
ram_exec(fuc, false);
return (ram->base.next == &ram->base.xition);
}
nve0_ram_prog_0(pfb, 1000);
ram_exec(fuc, true);
nve0_ram_prog_0(pfb, next->freq);
return (ram->base.next == &ram->base.xition);
}
@ -1325,6 +1411,17 @@ nve0_ram_ctor_data(struct nve0_ram *ram, u8 ramcfg, int i)
if (ret = 0, i == 0)
goto done;
d->rammap_11_0a_03fe |= p->rammap_11_0a_03fe != n->rammap_11_0a_03fe;
d->rammap_11_09_01ff |= p->rammap_11_09_01ff != n->rammap_11_09_01ff;
d->rammap_11_0a_0400 |= p->rammap_11_0a_0400 != n->rammap_11_0a_0400;
d->rammap_11_0a_0800 |= p->rammap_11_0a_0800 != n->rammap_11_0a_0800;
d->rammap_11_0b_01f0 |= p->rammap_11_0b_01f0 != n->rammap_11_0b_01f0;
d->rammap_11_0b_0200 |= p->rammap_11_0b_0200 != n->rammap_11_0b_0200;
d->rammap_11_0d |= p->rammap_11_0d != n->rammap_11_0d;
d->rammap_11_0f |= p->rammap_11_0f != n->rammap_11_0f;
d->rammap_11_0e |= p->rammap_11_0e != n->rammap_11_0e;
d->rammap_11_0b_0800 |= p->rammap_11_0b_0800 != n->rammap_11_0b_0800;
d->rammap_11_0b_0400 |= p->rammap_11_0b_0400 != n->rammap_11_0b_0400;
d->ramcfg_11_01_01 |= p->ramcfg_11_01_01 != n->ramcfg_11_01_01;
d->ramcfg_11_01_02 |= p->ramcfg_11_01_02 != n->ramcfg_11_01_02;
d->ramcfg_11_01_10 |= p->ramcfg_11_01_10 != n->ramcfg_11_01_10;