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gpu: nvgpu: enable devfreq after finalize poweron

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Enabling gpu scaling driver after finalize poweron,
will make gpu booting happen at initially set
frequency(1GHz).

Also doing platform specific init scale after enabling
scaling driver.

Bug 2049965
Bug 2039013
Bug 200377508

Change-Id: I633f8f5a25d9de18cbb3a022913b8b725ccd87e5
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1644703
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
seshendra Gadagottu
2018-01-23 13:12:04 -08:00
committed by mobile promotions
parent 791ce6bd54
commit 9afb084055
5 changed files with 20 additions and 13 deletions
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3
drivers/gpu/nvgpu/common/linux/platform_gk20a.h
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@@ -177,6 +177,9 @@ struct gk20a_platform {
/* Called to register GPCPLL with common clk framework */
int (*clk_register)(struct gk20a *g);
/* platform specific scale init quirks */
void (*initscale)(struct device *dev);
/* Postscale callback is called after frequency change */
void (*postscale)(struct device *dev,
unsigned long freq);