[Nouveau] [RFC PATCH 14/29] therm: Trigger reclock in temperature daemon

[Pierre Moreau]

Reviewed-by: Pierre Moreau <pierre.morrow at free.fr>

On 2017-09-15 — 17:11, Karol Herbst wrote:
> Depending on the temperature, cstates might become unreachable or the maped
> voltage of a cstate changes. We want to adjust to that.
> 
> Signed-off-by: Karol Herbst <karolherbst at gmail.com>
> Reviewed-by: Martin Peres <martin.peres at free.fr>
> ---
>  drm/nouveau/nvkm/subdev/therm/base.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/drm/nouveau/nvkm/subdev/therm/base.c b/drm/nouveau/nvkm/subdev/therm/base.c
> index 59f01fec..c90b9cfc 100644
> --- a/drm/nouveau/nvkm/subdev/therm/base.c
> +++ b/drm/nouveau/nvkm/subdev/therm/base.c
> @@ -23,6 +23,8 @@
>   */
>  #include "priv.h"
>  
> +#include <subdev/clk.h>
> +
>  int
>  nvkm_therm_temp_get(struct nvkm_therm *therm, int *val)
>  {
> @@ -168,9 +170,15 @@ nvkm_therm_alarm(struct nvkm_alarm *alarm)
>  	int temp;
>  	struct nvkm_therm *therm =
>  	       container_of(alarm, struct nvkm_therm, alarm);
> +	struct nvkm_clk *clk = therm->subdev.device->clk;
> +
>  	if (nvkm_therm_temp_get(therm, &temp) >= 0)
>  		therm->last_temp = temp;
> +
>  	nvkm_therm_update(therm, therm->last_temp, -1);
> +
> +	if (clk)
> +		nvkm_clk_tstate(clk, therm->last_temp);
>  }
>  
>  int
> -- 
> 2.14.1
> 
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