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drm/nouveau/clk/gk20a: fix VCO bit mask

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Fix the mask specified to switch to VCO mode was given as an (incorrect)
immediate value. Although the side-effect happens to be the same, this
is clearly incorrect.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Alexandre Courbot 2016-02-12 14:13:21 +09:00 committed by Ben Skeggs
parent e7952eb663
commit 3a91b9c5ef
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/nouveau/nvkm/subdev/clk/gk20a.c
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@ -422,7 +422,8 @@ _gk20a_pllg_program_mnp(struct gk20a_clk *clk, bool allow_slide)
return -ETIMEDOUT; return -ETIMEDOUT;
/* switch to VCO mode */ /* switch to VCO mode */
nvkm_mask(device, SEL_VCO, 0, BIT(SEL_VCO_GPC2CLK_OUT_SHIFT)); nvkm_mask(device, SEL_VCO, BIT(SEL_VCO_GPC2CLK_OUT_SHIFT),
BIT(SEL_VCO_GPC2CLK_OUT_SHIFT));
/* restore out divider 1:1 */ /* restore out divider 1:1 */
val = nvkm_rd32(device, GPC2CLK_OUT); val = nvkm_rd32(device, GPC2CLK_OUT);