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drm/nouveau: add missing pll_calc calls 

Fixes a null pointer dereference when reclocking on my fermi.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Maarten Lankhorst 2012-11-16 17:47:16 +01:00 committed by Ben Skeggs
parent bf7e438bca
commit d9c390561d
3 changed files with 22 additions and 1 deletions
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3
drivers/gpu/drm/nouveau/core/include/subdev/clock.h
View File

@ -54,6 +54,7 @@ int nv04_clock_pll_calc(struct nouveau_clock *, struct nvbios_pll *,
int clk, struct nouveau_pll_vals *);
int nv04_clock_pll_prog(struct nouveau_clock *, u32 reg1,
struct nouveau_pll_vals *);
int nva3_clock_pll_calc(struct nouveau_clock *, struct nvbios_pll *,
int clk, struct nouveau_pll_vals *);
#endif

19
drivers/gpu/drm/nouveau/core/subdev/clock/nva3.c
View File

@ -66,6 +66,24 @@ nva3_clock_pll_set(struct nouveau_clock *clk, u32 type, u32 freq)
return ret;
}
int
nva3_clock_pll_calc(struct nouveau_clock *clock, struct nvbios_pll *info,
int clk, struct nouveau_pll_vals *pv)
{
int ret, N, M, P;
ret = nva3_pll_calc(clock, info, clk, &N, NULL, &M, &P);
if (ret > 0) {
pv->refclk = info->refclk;
pv->N1 = N;
pv->M1 = M;
pv->log2P = P;
}
return ret;
}
static int
nva3_clock_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
@ -80,6 +98,7 @@ nva3_clock_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
return ret;
priv->base.pll_set = nva3_clock_pll_set;
priv->base.pll_calc = nva3_clock_pll_calc;
return 0;
}

1
drivers/gpu/drm/nouveau/core/subdev/clock/nvc0.c
View File

@ -79,6 +79,7 @@ nvc0_clock_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
return ret;
priv->base.pll_set = nvc0_clock_pll_set;
priv->base.pll_calc = nva3_clock_pll_calc;
return 0;
}