[Intel-gfx] [PATCH] drm/i915/cnl: Extend Wa 1178 to Aux F.

[Lucas De Marchi]

On Tue, Jan 23, 2018 at 01:57:13PM -0800, Rodrigo Vivi wrote:
> We also need to extend this WA to Aux F.
> 
> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan at intel.com>
> Cc: Lucas De Marchi <lucas.demarchi at intel.com>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>

Reviewed-by: Lucas De Marchi <lucas.demarchi at intel.com>

Lucas De Marchi

> ---
>  drivers/gpu/drm/i915/i915_reg.h         | 4 +++-
>  drivers/gpu/drm/i915/intel_runtime_pm.c | 2 +-
>  2 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 671303a0310f..2916124d2950 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -8435,10 +8435,12 @@ enum skl_power_gate {
>  #define _CNL_AUX_ANAOVRD1_B		0x162250
>  #define _CNL_AUX_ANAOVRD1_C		0x162210
>  #define _CNL_AUX_ANAOVRD1_D		0x1622D0
> +#define _CNL_AUX_ANAOVRD1_F		0x162A90
>  #define CNL_AUX_ANAOVRD1(pw)		_MMIO(_PICK(_CNL_AUX_REG_IDX(pw), \
>  						    _CNL_AUX_ANAOVRD1_B, \
>  						    _CNL_AUX_ANAOVRD1_C, \
> -						    _CNL_AUX_ANAOVRD1_D))
> +						    _CNL_AUX_ANAOVRD1_D, \
> +						    _CNL_AUX_ANAOVRD1_F))
>  #define   CNL_AUX_ANAOVRD1_ENABLE	(1<<16)
>  #define   CNL_AUX_ANAOVRD1_LDO_BYPASS	(1<<23)
>  
> diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
> index 27174d49a529..73700a41723e 100644
> --- a/drivers/gpu/drm/i915/intel_runtime_pm.c
> +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
> @@ -395,7 +395,7 @@ static void hsw_power_well_enable(struct drm_i915_private *dev_priv,
>  	/* Display WA #1178: cnl */
>  	if (IS_CANNONLAKE(dev_priv) &&
>  	    (id == CNL_DISP_PW_AUX_B || id == CNL_DISP_PW_AUX_C ||
> -	     id == CNL_DISP_PW_AUX_D)) {
> +	     id == CNL_DISP_PW_AUX_D || id == CNL_DISP_PW_AUX_F)) {
>  		val = I915_READ(CNL_AUX_ANAOVRD1(id));
>  		val |= CNL_AUX_ANAOVRD1_ENABLE | CNL_AUX_ANAOVRD1_LDO_BYPASS;
>  		I915_WRITE(CNL_AUX_ANAOVRD1(id), val);
> -- 
> 2.13.6
> 
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