drm/i915/adl_s: Add power wells

TGL power wells can be re-used for ADL-S with the exception of the fake
power well for TC_COLD, just like DG-1.

BSpec: 53597
Bspec: 49231

Cc: Imre Deak <imre.deak@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Aditya Swarup <aditya.swarup@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Aditya Swarup <aditya.swarup@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210129182945.217078-3-aditya.swarup@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index bb04b50..2f35a21 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -4689,7 +4689,7 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv)
         * The enabling order will be from lower to higher indexed wells,
         * the disabling order is reversed.
         */
-       if (IS_DG1(dev_priv)) {
+       if (IS_ALDERLAKE_S(dev_priv) || IS_DG1(dev_priv)) {
                err = set_power_wells_mask(power_domains, tgl_power_wells,
                                           BIT_ULL(TGL_DISP_PW_TC_COLD_OFF));
        } else if (IS_ROCKETLAKE(dev_priv)) {