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drm/nva3/clk: Abort when PLL doesn't lock 

Signed-off-by: Roy Spliet <rspliet@eclipso.eu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Roy Spliet 2014-08-21 13:45:15 +02:00 committed by Ben Skeggs
parent 70c7995d12
commit 275dd6f48f
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/nouveau/core/subdev/clock/nva3.c
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@ -311,7 +311,11 @@ prog_pll(struct nva3_clock_priv *priv, int clk, u32 pll, int idx)
nv_wr32(priv, coef, info->pll);
nv_mask(priv, ctrl, 0x00000015, 0x00000015);
nv_mask(priv, ctrl, 0x00000010, 0x00000000);
nv_wait(priv, ctrl, 0x00020000, 0x00020000);
if (!nv_wait(priv, ctrl, 0x00020000, 0x00020000)) {
nv_mask(priv, ctrl, 0x00000010, 0x00000010);
nv_mask(priv, src0, 0x00000101, 0x00000000);
return;
}
nv_mask(priv, ctrl, 0x00000010, 0x00000010);
nv_mask(priv, ctrl, 0x00000008, 0x00000000);
disable_clk_src(priv, src1);