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gpu: nvgpu: Add DT support for TPC_PG_POWERGATE

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Added support for TPC_PG_POWERGATE during probe for nvgpu via DT.
A new DT binding GV11B_FUSE_OPT_TPC_DISABLE is supported by nvgpu
driver that checks for valid masks and updates the global tpc_pg_mask
flag.

Bug 200518434

Change-Id: Ia65ae518b48e36d28de5e9375bc994232f6a9438
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2117783
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Deepak Goyal <dgoyal@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Debarshi Dutta
2019-05-13 16:47:04 +05:30
committed by mobile promotions
parent 543a904e63
commit 1f867543da
3 changed files with 33 additions and 0 deletions
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3
drivers/gpu/nvgpu/os/linux/platform_gk20a.h
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@@ -196,6 +196,9 @@ struct gk20a_platform {
/* Pre callback is called before frequency change */
void (*prescale)(struct device *dev);
/* Set TPC_PG during probe */
void (*set_tpc_pg_mask)(struct device *dev, u32 tpc_mask);
/* Devfreq governor name. If scaling is enabled, we request
* this governor to be used in scaling */
const char *devfreq_governor;