drm/i915: Move i915_power_well_regs struct into i915_power_well_ops

Move the i915_power_well_regs struct into i915_power_well_ops. Most of
the power wells use the same ops/regs combination, so this saves some
space and also simplifies the platform power domain->power well
definitions.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220222165137.1004194-5-imre.deak@intel.com

1 files changed, 72 insertions, 182 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 857dd9ddba35..32e4fc6a451e 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -26,7 +26,15 @@
 #include "intel_vga.h"
 #include "vlv_sideband.h"
 
+struct i915_power_well_regs {
+	i915_reg_t bios;
+	i915_reg_t driver;
+	i915_reg_t kvmr;
+	i915_reg_t debug;
+};
+
 struct i915_power_well_ops {
+	const struct i915_power_well_regs *regs;
 	/*
 	 * Synchronize the well's hw state to match the current sw state, for
 	 * example enable/disable it based on the current refcount. Called
@@ -53,13 +61,6 @@ struct i915_power_well_ops {
 			   struct i915_power_well *power_well);
 };
 
-struct i915_power_well_regs {
-	i915_reg_t bios;
-	i915_reg_t driver;
-	i915_reg_t kvmr;
-	i915_reg_t debug;
-};
-
 /* Power well structure for haswell */
 struct i915_power_well_desc {
 	const char *name;
@@ -83,7 +84,6 @@ struct i915_power_well_desc {
 			enum dpio_phy phy;
 		} bxt;
 		struct {
-			const struct i915_power_well_regs *regs;
 			/*
 			 * request/status flag index in the power well
 			 * constrol/status registers.
@@ -438,7 +438,7 @@ static void hsw_wait_for_power_well_enable(struct drm_i915_private *dev_priv,
 					   struct i915_power_well *power_well,
 					   bool timeout_expected)
 {
-	const struct i915_power_well_regs *regs = power_well->desc->hsw.regs;
+	const struct i915_power_well_regs *regs = power_well->desc->ops->regs;
 	int pw_idx = power_well->desc->hsw.idx;
 	int enable_delay = power_well->desc->hsw.fixed_enable_delay;
 
@@ -482,7 +482,7 @@ static u32 hsw_power_well_requesters(struct drm_i915_private *dev_priv,
 static void hsw_wait_for_power_well_disable(struct drm_i915_private *dev_priv,
 					    struct i915_power_well *power_well)
 {
-	const struct i915_power_well_regs *regs = power_well->desc->hsw.regs;
+	const struct i915_power_well_regs *regs = power_well->desc->ops->regs;
 	int pw_idx = power_well->desc->hsw.idx;
 	bool disabled;
 	u32 reqs;
@@ -520,7 +520,7 @@ static void gen9_wait_for_power_well_fuses(struct drm_i915_private *dev_priv,
 static void hsw_power_well_enable(struct drm_i915_private *dev_priv,
 				  struct i915_power_well *power_well)
 {
-	const struct i915_power_well_regs *regs = power_well->desc->hsw.regs;
+	const struct i915_power_well_regs *regs = power_well->desc->ops->regs;
 	int pw_idx = power_well->desc->hsw.idx;
 	u32 val;
 
@@ -567,7 +567,7 @@ static void hsw_power_well_enable(struct drm_i915_private *dev_priv,
 static void hsw_power_well_disable(struct drm_i915_private *dev_priv,
 				   struct i915_power_well *power_well)
 {
-	const struct i915_power_well_regs *regs = power_well->desc->hsw.regs;
+	const struct i915_power_well_regs *regs = power_well->desc->ops->regs;
 	int pw_idx = power_well->desc->hsw.idx;
 	u32 val;
 
@@ -584,7 +584,7 @@ static void
 icl_combo_phy_aux_power_well_enable(struct drm_i915_private *dev_priv,
 				    struct i915_power_well *power_well)
 {
-	const struct i915_power_well_regs *regs = power_well->desc->hsw.regs;
+	const struct i915_power_well_regs *regs = power_well->desc->ops->regs;
 	int pw_idx = power_well->desc->hsw.idx;
 	enum phy phy = icl_aux_pw_to_phy(dev_priv, power_well);
 	u32 val;
@@ -616,7 +616,7 @@ static void
 icl_combo_phy_aux_power_well_disable(struct drm_i915_private *dev_priv,
 				     struct i915_power_well *power_well)
 {
-	const struct i915_power_well_regs *regs = power_well->desc->hsw.regs;
+	const struct i915_power_well_regs *regs = power_well->desc->ops->regs;
 	int pw_idx = power_well->desc->hsw.idx;
 	enum phy phy = icl_aux_pw_to_phy(dev_priv, power_well);
 	u32 val;
@@ -688,7 +688,7 @@ icl_tc_phy_aux_power_well_enable(struct drm_i915_private *dev_priv,
 {
 	enum aux_ch aux_ch = icl_aux_pw_to_ch(power_well);
 	struct intel_digital_port *dig_port = aux_ch_to_digital_port(dev_priv, aux_ch);
-	const struct i915_power_well_regs *regs = power_well->desc->hsw.regs;
+	const struct i915_power_well_regs *regs = power_well->desc->ops->regs;
 	bool is_tbt = power_well->desc->hsw.is_tc_tbt;
 	bool timeout_expected;
 	u32 val;
@@ -768,7 +768,7 @@ icl_aux_power_well_disable(struct drm_i915_private *dev_priv,
 static bool hsw_power_well_enabled(struct drm_i915_private *dev_priv,
 				   struct i915_power_well *power_well)
 {
-	const struct i915_power_well_regs *regs = power_well->desc->hsw.regs;
+	const struct i915_power_well_regs *regs = power_well->desc->ops->regs;
 	enum i915_power_well_id id = power_well->desc->id;
 	int pw_idx = power_well->desc->hsw.idx;
 	u32 mask = HSW_PWR_WELL_CTL_REQ(pw_idx) |
@@ -1178,7 +1178,7 @@ static void skl_enable_dc6(struct drm_i915_private *dev_priv)
 static void hsw_power_well_sync_hw(struct drm_i915_private *dev_priv,
 				   struct i915_power_well *power_well)
 {
-	const struct i915_power_well_regs *regs = power_well->desc->hsw.regs;
+	const struct i915_power_well_regs *regs = power_well->desc->ops->regs;
 	int pw_idx = power_well->desc->hsw.idx;
 	u32 mask = HSW_PWR_WELL_CTL_REQ(pw_idx);
 	u32 bios_req = intel_de_read(dev_priv, regs->bios);
@@ -3250,7 +3250,15 @@ static const struct i915_power_well_desc i830_power_wells[] = {
 	},
 };
 
+static const struct i915_power_well_regs hsw_power_well_regs = {
+	.bios	= HSW_PWR_WELL_CTL1,
+	.driver	= HSW_PWR_WELL_CTL2,
+	.kvmr	= HSW_PWR_WELL_CTL3,
+	.debug	= HSW_PWR_WELL_CTL4,
+};
+
 static const struct i915_power_well_ops hsw_power_well_ops = {
+	.regs = &hsw_power_well_regs,
 	.sync_hw = hsw_power_well_sync_hw,
 	.enable = hsw_power_well_enable,
 	.disable = hsw_power_well_disable,
@@ -3271,13 +3279,6 @@ static const struct i915_power_well_ops bxt_dpio_cmn_power_well_ops = {
 	.is_enabled = bxt_dpio_cmn_power_well_enabled,
 };
 
-static const struct i915_power_well_regs hsw_power_well_regs = {
-	.bios	= HSW_PWR_WELL_CTL1,
-	.driver	= HSW_PWR_WELL_CTL2,
-	.kvmr	= HSW_PWR_WELL_CTL3,
-	.debug	= HSW_PWR_WELL_CTL4,
-};
-
 static const struct i915_power_well_desc hsw_power_wells[] = {
 	{
 		.name = "always-on",
@@ -3292,7 +3293,6 @@ static const struct i915_power_well_desc hsw_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = HSW_DISP_PW_GLOBAL,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = HSW_PW_CTL_IDX_GLOBAL,
 			.hsw.has_vga = true,
 		},
@@ -3313,7 +3313,6 @@ static const struct i915_power_well_desc bdw_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = HSW_DISP_PW_GLOBAL,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = HSW_PW_CTL_IDX_GLOBAL,
 			.hsw.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C),
 			.hsw.has_vga = true,
@@ -3485,7 +3484,6 @@ static const struct i915_power_well_desc skl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = SKL_DISP_PW_1,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = SKL_PW_CTL_IDX_PW_1,
 			.hsw.has_fuses = true,
 		},
@@ -3498,7 +3496,6 @@ static const struct i915_power_well_desc skl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = SKL_DISP_PW_MISC_IO,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = SKL_PW_CTL_IDX_MISC_IO,
 		},
 	},
@@ -3514,7 +3511,6 @@ static const struct i915_power_well_desc skl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = SKL_DISP_PW_2,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = SKL_PW_CTL_IDX_PW_2,
 			.hsw.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C),
 			.hsw.has_vga = true,
@@ -3527,7 +3523,6 @@ static const struct i915_power_well_desc skl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = SKL_PW_CTL_IDX_DDI_A_E,
 		},
 	},
@@ -3537,7 +3532,6 @@ static const struct i915_power_well_desc skl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = SKL_PW_CTL_IDX_DDI_B,
 		},
 	},
@@ -3547,7 +3541,6 @@ static const struct i915_power_well_desc skl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = SKL_PW_CTL_IDX_DDI_C,
 		},
 	},
@@ -3557,7 +3550,6 @@ static const struct i915_power_well_desc skl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = SKL_PW_CTL_IDX_DDI_D,
 		},
 	},
@@ -3579,7 +3571,6 @@ static const struct i915_power_well_desc bxt_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = SKL_DISP_PW_1,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = SKL_PW_CTL_IDX_PW_1,
 			.hsw.has_fuses = true,
 		},
@@ -3596,7 +3587,6 @@ static const struct i915_power_well_desc bxt_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = SKL_DISP_PW_2,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = SKL_PW_CTL_IDX_PW_2,
 			.hsw.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C),
 			.hsw.has_vga = true,
@@ -3639,7 +3629,6 @@ static const struct i915_power_well_desc glk_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = SKL_DISP_PW_1,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = SKL_PW_CTL_IDX_PW_1,
 			.hsw.has_fuses = true,
 		},
@@ -3656,7 +3645,6 @@ static const struct i915_power_well_desc glk_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = SKL_DISP_PW_2,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = SKL_PW_CTL_IDX_PW_2,
 			.hsw.irq_pipe_mask = BIT(PIPE_B) | BIT(PIPE_C),
 			.hsw.has_vga = true,
@@ -3696,7 +3684,6 @@ static const struct i915_power_well_desc glk_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = GLK_PW_CTL_IDX_AUX_A,
 		},
 	},
@@ -3706,7 +3693,6 @@ static const struct i915_power_well_desc glk_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = GLK_PW_CTL_IDX_AUX_B,
 		},
 	},
@@ -3716,7 +3702,6 @@ static const struct i915_power_well_desc glk_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = GLK_PW_CTL_IDX_AUX_C,
 		},
 	},
@@ -3726,7 +3711,6 @@ static const struct i915_power_well_desc glk_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = GLK_PW_CTL_IDX_DDI_A,
 		},
 	},
@@ -3736,7 +3720,6 @@ static const struct i915_power_well_desc glk_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = SKL_PW_CTL_IDX_DDI_B,
 		},
 	},
@@ -3746,31 +3729,39 @@ static const struct i915_power_well_desc glk_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = SKL_PW_CTL_IDX_DDI_C,
 		},
 	},
 };
 
+static const struct i915_power_well_regs icl_aux_power_well_regs = {
+	.bios	= ICL_PWR_WELL_CTL_AUX1,
+	.driver	= ICL_PWR_WELL_CTL_AUX2,
+	.debug	= ICL_PWR_WELL_CTL_AUX4,
+};
+
 static const struct i915_power_well_ops icl_aux_power_well_ops = {
+	.regs = &icl_aux_power_well_regs,
 	.sync_hw = hsw_power_well_sync_hw,
 	.enable = icl_aux_power_well_enable,
 	.disable = icl_aux_power_well_disable,
 	.is_enabled = hsw_power_well_enabled,
 };
 
-static const struct i915_power_well_regs icl_aux_power_well_regs = {
-	.bios	= ICL_PWR_WELL_CTL_AUX1,
-	.driver	= ICL_PWR_WELL_CTL_AUX2,
-	.debug	= ICL_PWR_WELL_CTL_AUX4,
-};
-
 static const struct i915_power_well_regs icl_ddi_power_well_regs = {
 	.bios	= ICL_PWR_WELL_CTL_DDI1,
 	.driver	= ICL_PWR_WELL_CTL_DDI2,
 	.debug	= ICL_PWR_WELL_CTL_DDI4,
 };
 
+static const struct i915_power_well_ops icl_ddi_power_well_ops = {
+	.regs = &icl_ddi_power_well_regs,
+	.sync_hw = hsw_power_well_sync_hw,
+	.enable = hsw_power_well_enable,
+	.disable = hsw_power_well_disable,
+	.is_enabled = hsw_power_well_enabled,
+};
+
 static const struct i915_power_well_desc icl_power_wells[] = {
 	{
 		.name = "always-on",
@@ -3787,7 +3778,6 @@ static const struct i915_power_well_desc icl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = SKL_DISP_PW_1,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_1,
 			.hsw.has_fuses = true,
 		},
@@ -3804,7 +3794,6 @@ static const struct i915_power_well_desc icl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = SKL_DISP_PW_2,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_2,
 			.hsw.has_fuses = true,
 		},
@@ -3815,7 +3804,6 @@ static const struct i915_power_well_desc icl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = ICL_DISP_PW_3,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_3,
 			.hsw.irq_pipe_mask = BIT(PIPE_B),
 			.hsw.has_vga = true,
@@ -3825,60 +3813,54 @@ static const struct i915_power_well_desc icl_power_wells[] = {
 	{
 		.name = "DDI A IO",
 		.domains = ICL_DDI_IO_A_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_DDI_A,
 		},
 	},
 	{
 		.name = "DDI B IO",
 		.domains = ICL_DDI_IO_B_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_DDI_B,
 		},
 	},
 	{
 		.name = "DDI C IO",
 		.domains = ICL_DDI_IO_C_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_DDI_C,
 		},
 	},
 	{
 		.name = "DDI D IO",
 		.domains = ICL_DDI_IO_D_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_DDI_D,
 		},
 	},
 	{
 		.name = "DDI E IO",
 		.domains = ICL_DDI_IO_E_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_DDI_E,
 		},
 	},
 	{
 		.name = "DDI F IO",
 		.domains = ICL_DDI_IO_F_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_DDI_F,
 		},
 	},
@@ -3888,7 +3870,6 @@ static const struct i915_power_well_desc icl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_A,
 		},
 	},
@@ -3898,7 +3879,6 @@ static const struct i915_power_well_desc icl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_B,
 		},
 	},
@@ -3908,7 +3888,6 @@ static const struct i915_power_well_desc icl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_C,
 			.hsw.is_tc_tbt = false,
 		},
@@ -3919,7 +3898,6 @@ static const struct i915_power_well_desc icl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_D,
 			.hsw.is_tc_tbt = false,
 		},
@@ -3930,7 +3908,6 @@ static const struct i915_power_well_desc icl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_E,
 			.hsw.is_tc_tbt = false,
 		},
@@ -3941,7 +3918,6 @@ static const struct i915_power_well_desc icl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_F,
 			.hsw.is_tc_tbt = false,
 		},
@@ -3952,7 +3928,6 @@ static const struct i915_power_well_desc icl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_TBT1,
 			.hsw.is_tc_tbt = true,
 		},
@@ -3963,7 +3938,6 @@ static const struct i915_power_well_desc icl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_TBT2,
 			.hsw.is_tc_tbt = true,
 		},
@@ -3974,7 +3948,6 @@ static const struct i915_power_well_desc icl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_TBT3,
 			.hsw.is_tc_tbt = true,
 		},
@@ -3985,7 +3958,6 @@ static const struct i915_power_well_desc icl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_TBT4,
 			.hsw.is_tc_tbt = true,
 		},
@@ -3996,7 +3968,6 @@ static const struct i915_power_well_desc icl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_4,
 			.hsw.has_fuses = true,
 			.hsw.irq_pipe_mask = BIT(PIPE_C),
@@ -4104,7 +4075,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = SKL_DISP_PW_1,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_1,
 			.hsw.has_fuses = true,
 		},
@@ -4121,7 +4091,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = SKL_DISP_PW_2,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_2,
 			.hsw.has_fuses = true,
 		},
@@ -4132,7 +4101,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = ICL_DISP_PW_3,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_3,
 			.hsw.irq_pipe_mask = BIT(PIPE_B),
 			.hsw.has_vga = true,
@@ -4142,90 +4110,81 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 	{
 		.name = "DDI A IO",
 		.domains = ICL_DDI_IO_A_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_DDI_A,
 		}
 	},
 	{
 		.name = "DDI B IO",
 		.domains = ICL_DDI_IO_B_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_DDI_B,
 		}
 	},
 	{
 		.name = "DDI C IO",
 		.domains = ICL_DDI_IO_C_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_DDI_C,
 		}
 	},
 	{
 		.name = "DDI IO TC1",
 		.domains = TGL_DDI_IO_TC1_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC1,
 		},
 	},
 	{
 		.name = "DDI IO TC2",
 		.domains = TGL_DDI_IO_TC2_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC2,
 		},
 	},
 	{
 		.name = "DDI IO TC3",
 		.domains = TGL_DDI_IO_TC3_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC3,
 		},
 	},
 	{
 		.name = "DDI IO TC4",
 		.domains = TGL_DDI_IO_TC4_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC4,
 		},
 	},
 	{
 		.name = "DDI IO TC5",
 		.domains = TGL_DDI_IO_TC5_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC5,
 		},
 	},
 	{
 		.name = "DDI IO TC6",
 		.domains = TGL_DDI_IO_TC6_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC6,
 		},
 	},
@@ -4241,7 +4200,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_A,
 		},
 	},
@@ -4251,7 +4209,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_B,
 		},
 	},
@@ -4261,7 +4218,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_C,
 		},
 	},
@@ -4271,7 +4227,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC1,
 			.hsw.is_tc_tbt = false,
 		},
@@ -4282,7 +4237,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC2,
 			.hsw.is_tc_tbt = false,
 		},
@@ -4293,7 +4247,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC3,
 			.hsw.is_tc_tbt = false,
 		},
@@ -4304,7 +4257,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC4,
 			.hsw.is_tc_tbt = false,
 		},
@@ -4315,7 +4267,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC5,
 			.hsw.is_tc_tbt = false,
 		},
@@ -4326,7 +4277,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC6,
 			.hsw.is_tc_tbt = false,
 		},
@@ -4337,7 +4287,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TBT1,
 			.hsw.is_tc_tbt = true,
 		},
@@ -4348,7 +4297,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TBT2,
 			.hsw.is_tc_tbt = true,
 		},
@@ -4359,7 +4307,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TBT3,
 			.hsw.is_tc_tbt = true,
 		},
@@ -4370,7 +4317,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TBT4,
 			.hsw.is_tc_tbt = true,
 		},
@@ -4381,7 +4327,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TBT5,
 			.hsw.is_tc_tbt = true,
 		},
@@ -4392,7 +4337,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TBT6,
 			.hsw.is_tc_tbt = true,
 		},
@@ -4403,7 +4347,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_4,
 			.hsw.has_fuses = true,
 			.hsw.irq_pipe_mask = BIT(PIPE_C),
@@ -4415,7 +4358,6 @@ static const struct i915_power_well_desc tgl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_PW_5,
 			.hsw.has_fuses = true,
 			.hsw.irq_pipe_mask = BIT(PIPE_D),
@@ -4439,7 +4381,6 @@ static const struct i915_power_well_desc rkl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = SKL_DISP_PW_1,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_1,
 			.hsw.has_fuses = true,
 		},
@@ -4456,7 +4397,6 @@ static const struct i915_power_well_desc rkl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = ICL_DISP_PW_3,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_3,
 			.hsw.irq_pipe_mask = BIT(PIPE_B),
 			.hsw.has_vga = true,
@@ -4469,7 +4409,6 @@ static const struct i915_power_well_desc rkl_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_4,
 			.hsw.has_fuses = true,
 			.hsw.irq_pipe_mask = BIT(PIPE_C),
@@ -4478,40 +4417,36 @@ static const struct i915_power_well_desc rkl_power_wells[] = {
 	{
 		.name = "DDI A IO",
 		.domains = ICL_DDI_IO_A_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_DDI_A,
 		}
 	},
 	{
 		.name = "DDI B IO",
 		.domains = ICL_DDI_IO_B_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_DDI_B,
 		}
 	},
 	{
 		.name = "DDI IO TC1",
 		.domains = TGL_DDI_IO_TC1_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC1,
 		},
 	},
 	{
 		.name = "DDI IO TC2",
 		.domains = TGL_DDI_IO_TC2_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC2,
 		},
 	},
@@ -4521,7 +4456,6 @@ static const struct i915_power_well_desc rkl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_A,
 		},
 	},
@@ -4531,7 +4465,6 @@ static const struct i915_power_well_desc rkl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_B,
 		},
 	},
@@ -4541,7 +4474,6 @@ static const struct i915_power_well_desc rkl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC1,
 		},
 	},
@@ -4551,7 +4483,6 @@ static const struct i915_power_well_desc rkl_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC2,
 		},
 	},
@@ -4573,7 +4504,6 @@ static const struct i915_power_well_desc dg1_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = SKL_DISP_PW_1,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_1,
 			.hsw.has_fuses = true,
 		},
@@ -4590,7 +4520,6 @@ static const struct i915_power_well_desc dg1_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = SKL_DISP_PW_2,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_2,
 			.hsw.has_fuses = true,
 		},
@@ -4601,7 +4530,6 @@ static const struct i915_power_well_desc dg1_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = ICL_DISP_PW_3,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_3,
 			.hsw.irq_pipe_mask = BIT(PIPE_B),
 			.hsw.has_vga = true,
@@ -4611,40 +4539,36 @@ static const struct i915_power_well_desc dg1_power_wells[] = {
 	{
 		.name = "DDI A IO",
 		.domains = ICL_DDI_IO_A_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_DDI_A,
 		}
 	},
 	{
 		.name = "DDI B IO",
 		.domains = ICL_DDI_IO_B_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_DDI_B,
 		}
 	},
 	{
 		.name = "DDI IO TC1",
 		.domains = TGL_DDI_IO_TC1_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC1,
 		},
 	},
 	{
 		.name = "DDI IO TC2",
 		.domains = TGL_DDI_IO_TC2_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC2,
 		},
 	},
@@ -4654,7 +4578,6 @@ static const struct i915_power_well_desc dg1_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_A,
 		},
 	},
@@ -4664,7 +4587,6 @@ static const struct i915_power_well_desc dg1_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_B,
 		},
 	},
@@ -4674,7 +4596,6 @@ static const struct i915_power_well_desc dg1_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC1,
 			.hsw.is_tc_tbt = false,
 		},
@@ -4685,7 +4606,6 @@ static const struct i915_power_well_desc dg1_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC2,
 			.hsw.is_tc_tbt = false,
 		},
@@ -4696,7 +4616,6 @@ static const struct i915_power_well_desc dg1_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_4,
 			.hsw.has_fuses = true,
 			.hsw.irq_pipe_mask = BIT(PIPE_C),
@@ -4708,7 +4627,6 @@ static const struct i915_power_well_desc dg1_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_PW_5,
 			.hsw.has_fuses = true,
 			.hsw.irq_pipe_mask = BIT(PIPE_D),
@@ -4732,7 +4650,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = SKL_DISP_PW_1,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_1,
 			.hsw.has_fuses = true,
 		},
@@ -4749,7 +4666,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = SKL_DISP_PW_2,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_PW_2,
 			.hsw.has_vga = true,
 			.hsw.has_fuses = true,
@@ -4761,7 +4677,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = XELPD_PW_CTL_IDX_PW_A,
 			.hsw.irq_pipe_mask = BIT(PIPE_A),
 			.hsw.has_fuses = true,
@@ -4773,7 +4688,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = XELPD_PW_CTL_IDX_PW_B,
 			.hsw.irq_pipe_mask = BIT(PIPE_B),
 			.hsw.has_fuses = true,
@@ -4785,7 +4699,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = XELPD_PW_CTL_IDX_PW_C,
 			.hsw.irq_pipe_mask = BIT(PIPE_C),
 			.hsw.has_fuses = true,
@@ -4797,7 +4710,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &hsw_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &hsw_power_well_regs,
 			.hsw.idx = XELPD_PW_CTL_IDX_PW_D,
 			.hsw.irq_pipe_mask = BIT(PIPE_D),
 			.hsw.has_fuses = true,
@@ -4806,90 +4718,81 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 	{
 		.name = "DDI A IO",
 		.domains = ICL_DDI_IO_A_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_DDI_A,
 		}
 	},
 	{
 		.name = "DDI B IO",
 		.domains = ICL_DDI_IO_B_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_DDI_B,
 		}
 	},
 	{
 		.name = "DDI C IO",
 		.domains = ICL_DDI_IO_C_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_DDI_C,
 		}
 	},
 	{
 		.name = "DDI IO D_XELPD",
 		.domains = XELPD_DDI_IO_D_XELPD_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = XELPD_PW_CTL_IDX_DDI_D,
 		}
 	},
 	{
 		.name = "DDI IO E_XELPD",
 		.domains = XELPD_DDI_IO_E_XELPD_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = XELPD_PW_CTL_IDX_DDI_E,
 		}
 	},
 	{
 		.name = "DDI IO TC1",
 		.domains = XELPD_DDI_IO_TC1_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC1,
 		}
 	},
 	{
 		.name = "DDI IO TC2",
 		.domains = XELPD_DDI_IO_TC2_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC2,
 		}
 	},
 	{
 		.name = "DDI IO TC3",
 		.domains = XELPD_DDI_IO_TC3_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC3,
 		}
 	},
 	{
 		.name = "DDI IO TC4",
 		.domains = XELPD_DDI_IO_TC4_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
+		.ops = &icl_ddi_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_ddi_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC4,
 		}
 	},
@@ -4899,7 +4802,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_A,
 			.hsw.fixed_enable_delay = 600,
 		},
@@ -4910,7 +4812,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_B,
 			.hsw.fixed_enable_delay = 600,
 		},
@@ -4921,7 +4822,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = ICL_PW_CTL_IDX_AUX_C,
 			.hsw.fixed_enable_delay = 600,
 		},
@@ -4932,7 +4832,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = XELPD_PW_CTL_IDX_AUX_D,
 			.hsw.fixed_enable_delay = 600,
 		},
@@ -4943,7 +4842,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = XELPD_PW_CTL_IDX_AUX_E,
 		},
 	},
@@ -4953,7 +4851,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC1,
 			.hsw.fixed_enable_delay = 600,
 		},
@@ -4964,7 +4861,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC2,
 		},
 	},
@@ -4974,7 +4870,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC3,
 		},
 	},
@@ -4984,7 +4879,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC4,
 		},
 	},
@@ -4994,7 +4888,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TBT1,
 			.hsw.is_tc_tbt = true,
 		},
@@ -5005,7 +4898,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TBT2,
 			.hsw.is_tc_tbt = true,
 		},
@@ -5016,7 +4908,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TBT3,
 			.hsw.is_tc_tbt = true,
 		},
@@ -5027,7 +4918,6 @@ static const struct i915_power_well_desc xelpd_power_wells[] = {
 		.ops = &icl_aux_power_well_ops,
 		.id = DISP_PW_ID_NONE,
 		{
-			.hsw.regs = &icl_aux_power_well_regs,
 			.hsw.idx = TGL_PW_CTL_IDX_AUX_TBT4,
 			.hsw.is_tc_tbt = true,
 		},