[Intel-gfx] [PATCH] drm/i915/kbl: Enable PW1 and Misc I/O power wells

[Damien Lespiau]

On Wed, Jan 06, 2016 at 12:08:36PM +0000, Michel Thierry wrote:
> My kbl stopped working because of this.
> 
> Fixes regression from
> commit 2f693e28b8df69f67beced5e18bb2b91c2bfcec2
> Author: Damien Lespiau <damien.lespiau at intel.com>
> Date:   Wed Nov 4 19:24:12 2015 +0200
>     drm/i915: Make turning on/off PW1 and Misc I/O part of the init/fini
>     sequences
> 
> Cc: Damien Lespiau <damien.lespiau at intel.com>
> Cc: Paulo Zanoni <paulo.r.zanoni at intel.com>
> Cc: Patrik Jakobsson <patrik.jakobsson at linux.intel.com>
> Cc: Imre Deak <imre.deak at intel.com>
> Signed-off-by: Michel Thierry <michel.thierry at intel.com>

Part of a time where IS_SKYLAKE() would have been true for KBL...

Reviewed-by: Damien Lespiau <damien.lespiau at intel.com>

-- 
Damien

> ---
>  drivers/gpu/drm/i915/intel_runtime_pm.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
> index ddbdbff..4b44e68 100644
> --- a/drivers/gpu/drm/i915/intel_runtime_pm.c
> +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
> @@ -1851,7 +1851,7 @@ void skl_pw1_misc_io_init(struct drm_i915_private *dev_priv)
>  {
>  	struct i915_power_well *well;
>  
> -	if (!IS_SKYLAKE(dev_priv))
> +	if (!(IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)))
>  		return;
>  
>  	well = lookup_power_well(dev_priv, SKL_DISP_PW_1);
> @@ -1865,7 +1865,7 @@ void skl_pw1_misc_io_fini(struct drm_i915_private *dev_priv)
>  {
>  	struct i915_power_well *well;
>  
> -	if (!IS_SKYLAKE(dev_priv))
> +	if (!(IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)))
>  		return;
>  
>  	well = lookup_power_well(dev_priv, SKL_DISP_PW_1);
> -- 
> 2.6.4
>