[Intel-gfx] [PATCH 04/18] drm/i915/gen2: Add an ID for the display pipes power well

[Ville Syrjälä]

On Thu, Jul 06, 2017 at 05:40:26PM +0300, Imre Deak wrote:
> Make the GEN2 power well ID assignment explicit for consistency.
> 
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Signed-off-by: Imre Deak <imre.deak at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_reg.h         | 6 ++++++
>  drivers/gpu/drm/i915/intel_runtime_pm.c | 1 +
>  2 files changed, 7 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index e4135bd..ce90847 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -1073,6 +1073,12 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
>   */
>  enum i915_power_well_id {
>  	/*
> +	 * GEN2

Just 830 actually. Rest of gen2 don't have this.

> +	 *  - custom power well
> +	 */
> +	I830_DISP_PW_PIPES = 0,
> +
> +	/*
>  	 * VLV/CHV
>  	 *  - PUNIT_REG_PWRGT_CTRL, PUNIT_REG_PWRGT_STATUS (PUNIT HAS v0.8)
>  	 */
> diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
> index 9601b62..4a9d955 100644
> --- a/drivers/gpu/drm/i915/intel_runtime_pm.c
> +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
> @@ -2036,6 +2036,7 @@ static struct i915_power_well i830_power_wells[] = {
>  		.name = "pipes",
>  		.domains = I830_PIPES_POWER_DOMAINS,
>  		.ops = &i830_pipes_power_well_ops,
> +		.id = I830_DISP_PW_PIPES,
>  	},
>  };
>  
> -- 
> 2.7.4

-- 
Ville Syrjälä
Intel OTC