diff options
author | Alexandre Courbot <acourbot@nvidia.com> | 2016-04-01 02:37:44 (GMT) |
---|---|---|
committer | Ben Skeggs <bskeggs@redhat.com> | 2016-04-06 06:06:51 (GMT) |
commit | 34440ed697aed2588d3e99bbdc75700a967bd1bd (patch) | |
tree | 035dc71ef053b46ba0231a902a14890d6ca4931c /drivers/gpu/drm/nouveau/include | |
parent | 52829d4fabaf71748f16126d421dbefbfcf1319a (diff) | |
download | linux-34440ed697aed2588d3e99bbdc75700a967bd1bd.tar.xz |
drm/nouveau/tegra: acquire and enable reference clock if needed
GM20B requires an extra clock compared to GK20A. Add that information
into the platform data and acquire and enable this clock if necessary.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/include')
-rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h b/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h index 16641ce..b5370cb 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/tegra.h @@ -11,6 +11,7 @@ struct nvkm_device_tegra { struct reset_control *rst; struct clk *clk; + struct clk *clk_ref; struct clk *clk_pwr; struct regulator *vdd; @@ -36,6 +37,10 @@ struct nvkm_device_tegra_func { * bypassed). A value of 0 means an IOMMU is never used. */ u8 iommu_bit; + /* + * Whether the chip requires a reference clock + */ + bool require_ref_clk; }; int nvkm_device_tegra_new(const struct nvkm_device_tegra_func *, |