drm/i915: Assign everywhere the always-on power well ID

Power well IDs are used for lookup so they must be unique. To ensure
this assign the always-on power well ID everywhere where it's missing.
This didn't cause a problem so far, since we didn't need to look up
power wells that happened to share their IDs.
Signed-off-by: NImre Deak <imre.deak@intel.com>
Reviewed-by: NRodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1499352040-8819-4-git-send-email-imre.deak@intel.comSigned-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_runtime_pm.c

@@ -2013,6 +2013,7 @@ static struct i915_power_well i9xx_always_on_power_well[] = {
 		.always_on = 1,
 		.domains = POWER_DOMAIN_MASK,
 		.ops = &i9xx_always_on_power_well_ops,
+		.id = I915_DISP_PW_ALWAYS_ON,
 	},
 };
 
@@ -2029,6 +2030,7 @@ static struct i915_power_well i830_power_wells[] = {
 		.always_on = 1,
 		.domains = POWER_DOMAIN_MASK,
 		.ops = &i9xx_always_on_power_well_ops,
+		.id = I915_DISP_PW_ALWAYS_ON,
 	},
 	{
 		.name = "pipes",
@@ -2071,6 +2073,7 @@ static struct i915_power_well hsw_power_wells[] = {
 		.always_on = 1,
 		.domains = POWER_DOMAIN_MASK,
 		.ops = &i9xx_always_on_power_well_ops,
+		.id = I915_DISP_PW_ALWAYS_ON,
 	},
 	{
 		.name = "display",
@@ -2085,6 +2088,7 @@ static struct i915_power_well bdw_power_wells[] = {
 		.always_on = 1,
 		.domains = POWER_DOMAIN_MASK,
 		.ops = &i9xx_always_on_power_well_ops,
+		.id = I915_DISP_PW_ALWAYS_ON,
 	},
 	{
 		.name = "display",
@@ -2178,6 +2182,7 @@ static struct i915_power_well chv_power_wells[] = {
 		.always_on = 1,
 		.domains = POWER_DOMAIN_MASK,
 		.ops = &i9xx_always_on_power_well_ops,
+		.id = I915_DISP_PW_ALWAYS_ON,
 	},
 	{
 		.name = "display",
@@ -2282,6 +2287,7 @@ static struct i915_power_well bxt_power_wells[] = {
 		.always_on = 1,
 		.domains = POWER_DOMAIN_MASK,
 		.ops = &i9xx_always_on_power_well_ops,
+		.id = I915_DISP_PW_ALWAYS_ON,
 	},
 	{
 		.name = "power well 1",
@@ -2323,6 +2329,7 @@ static struct i915_power_well glk_power_wells[] = {
 		.always_on = 1,
 		.domains = POWER_DOMAIN_MASK,
 		.ops = &i9xx_always_on_power_well_ops,
+		.id = I915_DISP_PW_ALWAYS_ON,
 	},
 	{
 		.name = "power well 1",
@@ -2408,6 +2415,7 @@ static struct i915_power_well cnl_power_wells[] = {
 		.always_on = 1,
 		.domains = POWER_DOMAIN_MASK,
 		.ops = &i9xx_always_on_power_well_ops,
+		.id = I915_DISP_PW_ALWAYS_ON,
 	},
 	{
 		.name = "power well 1",