drm/nouveau: Introduce NvPmEnableGating option
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Web: https://git.kernel.org/torvalds/c/3ea74559d851b0e3f611da45d0dd9d505c4f44d5 Commit: 3ea74559d851b0e3f611da45d0dd9d505c4f44d5 Parent: a0f79082bd1740137371f989dbdcbc19a52d3557 Refname: refs/heads/master Author: Lyude Paul <[email protected]> AuthorDate: Thu Feb 1 13:13:59 2018 -0500 Committer: Ben Skeggs <[email protected]> CommitDate: Fri Feb 2 15:24:10 2018 +1000 drm/nouveau: Introduce NvPmEnableGating option This adds the NvPmEnableGating config option to nouveau, which can be used to enable or disable clockgating for supported chipsets. Enabling can be done by passing config=NvPmEnableGating=1 To nouveau. If your chipset supports it, you'll see a message in your kernel log indicating that clockgating is enabled. Since clockgating has only had limited testing thus far, we leave this option disabled by default for now. Signed-off-by: Lyude Paul <[email protected]> Reviewed-by: Martin Peres <[email protected]> Signed-off-by: Ben Skeggs <[email protected]> --- drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c index de07bc07abdb..bf62303571b3 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/therm/base.c @@ -434,7 +434,9 @@ nvkm_therm_ctor(struct nvkm_therm *therm, struct nvkm_device *device, therm->attr_get = nvkm_therm_attr_get; therm->attr_set = nvkm_therm_attr_set; therm->mode = therm->suspend = -1; /* undefined */ - therm->clkgating_enabled = false; + + therm->clkgating_enabled = nvkm_boolopt(device->cfgopt, + "NvPmEnableGating", false); } int -- To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html