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drm/nva3/pm: more random unknown PFB regs 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2012-01-27 13:26:52 +10:00
parent 27740383dd
commit 30e533900e
1 changed files with 23 additions and 1 deletions
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24
drivers/gpu/drm/nouveau/nva3_pm.c
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@ -393,12 +393,34 @@ mclk_clock_set(struct nouveau_mem_exec_func *exec)
static void
mclk_timing_set(struct nouveau_mem_exec_func *exec)
{
struct drm_device *dev = exec->dev;
struct nva3_pm_state *info = exec->priv;
struct nouveau_pm_level *perflvl = info->perflvl;
u8 *ramcfg, ver, len;
int i;
for (i = 0; i < 9; i++)
nv_wr32(exec->dev, 0x100220 + (i * 4), perflvl->timing.reg[i]);
nv_wr32(dev, 0x100220 + (i * 4), perflvl->timing.reg[i]);
ramcfg = nouveau_perf_ramcfg(dev, perflvl->memory, &ver, &len);
if (ramcfg) {
u32 unk714 = nv_rd32(dev, 0x100714) & ~0xf0000010;
u32 unk718 = nv_rd32(dev, 0x100718) & ~0x00000100;
u32 unk71c = nv_rd32(dev, 0x10071c) & ~0x00000100;
if ( (ramcfg[2] & 0x20))
unk714 |= 0xf0000000;
if (!(ramcfg[2] & 0x04))
unk714 |= 0x00000010;
nv_wr32(dev, 0x100714, unk714);
if (ramcfg[2] & 0x01)
unk71c |= 0x00000100;
nv_wr32(dev, 0x10071c, unk71c);
if (ramcfg[2] & 0x02)
unk718 |= 0x00000100;
nv_wr32(dev, 0x100718, unk718);
}
}
static void