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drm/gk104/clk: only touch divider for mode we'll be using

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2014-06-12 11:02:45 +10:00
parent bc1dfff04a
commit 1968a1e904
1 changed files with 5 additions and 3 deletions
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8
drivers/gpu/drm/nouveau/core/subdev/clock/nve0.c
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@ -307,7 +307,6 @@ calc_clk(struct nve0_clock_priv *priv,
info->dsrc = src0;
if (div0) {
info->ddiv |= 0x80000000;
info->ddiv |= div0 << 8;
info->ddiv |= div0;
}
if (div1D) {
@ -352,7 +351,7 @@ nve0_clock_prog_0(struct nve0_clock_priv *priv, int clk)
{
struct nve0_clock_info *info = &priv->eng[clk];
if (!info->ssel) {
nv_mask(priv, 0x1371d0 + (clk * 0x04), 0x80003f3f, info->ddiv);
nv_mask(priv, 0x1371d0 + (clk * 0x04), 0x8000003f, info->ddiv);
nv_wr32(priv, 0x137160 + (clk * 0x04), info->dsrc);
}
}
@ -389,7 +388,10 @@ static void
nve0_clock_prog_3(struct nve0_clock_priv *priv, int clk)
{
struct nve0_clock_info *info = &priv->eng[clk];
nv_mask(priv, 0x137250 + (clk * 0x04), 0x00003f3f, info->mdiv);
if (info->ssel)
nv_mask(priv, 0x137250 + (clk * 0x04), 0x00003f00, info->mdiv);
else
nv_mask(priv, 0x137250 + (clk * 0x04), 0x0000003f, info->mdiv);
}
static void