[PATCH v5 19/28] drm/i915/dsc: Add a power domain for VDSC on eDP/MIPI DSI

[Ville Syrjälä]

On Fri, Oct 05, 2018 at 04:22:57PM -0700, Manasi Navare wrote:
> On Icelake, a separate power well PG2 is created for
> VDSC engine used for eDP/MIPI DSI. This patch adds a new
> display power domain for Power well 2.
> 
> v2:
> * Fix the power well mismatch CI error (Ville)
> * Rename as VDSC_PIPE_A (Imre)
> * Fix a whitespace (Anusha)
> * Fix Comments (Imre)
> 
> Cc: Ville Syrjala <ville.syrjala at linux.intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
> Cc: Imre Deak <imre.deak at intel.com>
> Signed-off-by: Manasi Navare <manasi.d.navare at intel.com>
> ---
>  drivers/gpu/drm/i915/intel_display.h    | 1 +
>  drivers/gpu/drm/i915/intel_runtime_pm.c | 4 +++-
>  2 files changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.h b/drivers/gpu/drm/i915/intel_display.h
> index 9eaba1bccae8..4c513169960c 100644
> --- a/drivers/gpu/drm/i915/intel_display.h
> +++ b/drivers/gpu/drm/i915/intel_display.h
> @@ -256,6 +256,7 @@ enum intel_display_power_domain {
>  	POWER_DOMAIN_MODESET,
>  	POWER_DOMAIN_GT_IRQ,
>  	POWER_DOMAIN_INIT,
> +	POWER_DOMAIN_VDSC_PIPE_A,

I'd probably put it next to the other pipe related power domains.
So maybe after POWER_DOMAIN_PIPE_C_PANEL_FITTER.

And to match the current naming pattern it should be called
POWER_DOMAIN_PIPE_A_VDSC.

>  
>  	POWER_DOMAIN_NUM,
>  };
> diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
> index 3cf8533e0834..3ed0a3a1015a 100644
> --- a/drivers/gpu/drm/i915/intel_runtime_pm.c
> +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
> @@ -146,6 +146,8 @@ intel_display_power_domain_str(enum intel_display_power_domain domain)
>  		return "MODESET";
>  	case POWER_DOMAIN_GT_IRQ:
>  		return "GT_IRQ";
> +	case POWER_DOMAIN_VDSC_PIPE_A:
> +		return "VDSC_PIPE_A";
>  	default:
>  		MISSING_CASE(domain);
>  		return "?";
> @@ -1971,9 +1973,9 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
>  	 */
>  #define ICL_PW_2_POWER_DOMAINS (			\
>  	ICL_PW_3_POWER_DOMAINS |			\
> +	BIT_ULL(POWER_DOMAIN_VDSC_PIPE_A) |		\
>  	BIT_ULL(POWER_DOMAIN_INIT))
>  	/*
> -	 * - eDP/DSI VDSC
>  	 * - KVMR (HW control)
>  	 */
>  #define ICL_DISPLAY_DC_OFF_POWER_DOMAINS (		\
> -- 
> 2.18.0

-- 
Ville Syrjälä
Intel