diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index ac0bf2364efa1b177e998480f3bd2548a8011238..45e887742339a4bf7db326a1950929ca55a39c7c 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1065,6 +1065,7 @@ enum skl_disp_power_wells {
 	SKL_DISP_PW_MISC_IO,
 	SKL_DISP_PW_DDI_A_E,
 	GLK_DISP_PW_DDI_A = SKL_DISP_PW_DDI_A_E,
+	CNL_DISP_PW_DDI_A = SKL_DISP_PW_DDI_A_E,
 	SKL_DISP_PW_DDI_B,
 	SKL_DISP_PW_DDI_C,
 	SKL_DISP_PW_DDI_D,
@@ -1072,6 +1073,10 @@ enum skl_disp_power_wells {
 	GLK_DISP_PW_AUX_A = 8,
 	GLK_DISP_PW_AUX_B,
 	GLK_DISP_PW_AUX_C,
+	CNL_DISP_PW_AUX_A = GLK_DISP_PW_AUX_A,
+	CNL_DISP_PW_AUX_B = GLK_DISP_PW_AUX_B,
+	CNL_DISP_PW_AUX_C = GLK_DISP_PW_AUX_C,
+	CNL_DISP_PW_AUX_D,
 
 	SKL_DISP_PW_1 = 14,
 	SKL_DISP_PW_2,
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index f8a375f8dde6680ba5b82f31895dcf1ea7c8a7af..0b3cacd29baca2ebb42e21ed8a273848791dfdc1 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -494,6 +494,55 @@ static void hsw_set_power_well(struct drm_i915_private *dev_priv,
 	BIT_ULL(POWER_DOMAIN_AUX_A) |			\
 	BIT_ULL(POWER_DOMAIN_INIT))
 
+#define CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_TRANSCODER_A) |		\
+	BIT_ULL(POWER_DOMAIN_PIPE_B) |			\
+	BIT_ULL(POWER_DOMAIN_TRANSCODER_B) |		\
+	BIT_ULL(POWER_DOMAIN_PIPE_C) |			\
+	BIT_ULL(POWER_DOMAIN_TRANSCODER_C) |		\
+	BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) |		\
+	BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) |		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_B_LANES) |		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_C_LANES) |		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_D_LANES) |		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_E_LANES) |		\
+	BIT_ULL(POWER_DOMAIN_AUX_B) |                       \
+	BIT_ULL(POWER_DOMAIN_AUX_C) |			\
+	BIT_ULL(POWER_DOMAIN_AUX_D) |			\
+	BIT_ULL(POWER_DOMAIN_AUDIO) |			\
+	BIT_ULL(POWER_DOMAIN_VGA) |				\
+	BIT_ULL(POWER_DOMAIN_INIT))
+#define CNL_DISPLAY_DDI_A_IO_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_A_IO) |		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_E_IO) |		\
+	BIT_ULL(POWER_DOMAIN_INIT))
+#define CNL_DISPLAY_DDI_B_IO_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_B_IO) |		\
+	BIT_ULL(POWER_DOMAIN_INIT))
+#define CNL_DISPLAY_DDI_C_IO_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_C_IO) |		\
+	BIT_ULL(POWER_DOMAIN_INIT))
+#define CNL_DISPLAY_DDI_D_IO_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_D_IO) |		\
+	BIT_ULL(POWER_DOMAIN_INIT))
+#define CNL_DISPLAY_AUX_A_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_AUX_A) |			\
+	BIT_ULL(POWER_DOMAIN_INIT))
+#define CNL_DISPLAY_AUX_B_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_AUX_B) |			\
+	BIT_ULL(POWER_DOMAIN_INIT))
+#define CNL_DISPLAY_AUX_C_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_AUX_C) |			\
+	BIT_ULL(POWER_DOMAIN_INIT))
+#define CNL_DISPLAY_AUX_D_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_AUX_D) |			\
+	BIT_ULL(POWER_DOMAIN_INIT))
+#define CNL_DISPLAY_DC_OFF_POWER_DOMAINS (		\
+	CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS |		\
+	BIT_ULL(POWER_DOMAIN_MODESET) |			\
+	BIT_ULL(POWER_DOMAIN_AUX_A) |			\
+	BIT_ULL(POWER_DOMAIN_INIT))
+
 static void assert_can_enable_dc9(struct drm_i915_private *dev_priv)
 {
 	WARN_ONCE((I915_READ(DC_STATE_EN) & DC_STATE_EN_DC9),
@@ -762,13 +811,14 @@ static void skl_set_power_well(struct drm_i915_private *dev_priv,
 		}
 		break;
 	case SKL_DISP_PW_MISC_IO:
-	case SKL_DISP_PW_DDI_A_E: /* GLK_DISP_PW_DDI_A */
+	case SKL_DISP_PW_DDI_A_E: /* GLK_DISP_PW_DDI_A, CNL_DISP_PW_DDI_A */
 	case SKL_DISP_PW_DDI_B:
 	case SKL_DISP_PW_DDI_C:
 	case SKL_DISP_PW_DDI_D:
-	case GLK_DISP_PW_AUX_A:
-	case GLK_DISP_PW_AUX_B:
-	case GLK_DISP_PW_AUX_C:
+	case GLK_DISP_PW_AUX_A: /* CNL_DISP_PW_AUX_A */
+	case GLK_DISP_PW_AUX_B: /* CNL_DISP_PW_AUX_B */
+	case GLK_DISP_PW_AUX_C: /* CNL_DISP_PW_AUX_C */
+	case CNL_DISP_PW_AUX_D:
 		break;
 	default:
 		WARN(1, "Unknown power well %lu\n", power_well->id);
@@ -2275,6 +2325,82 @@ static struct i915_power_well glk_power_wells[] = {
 	},
 };
 
+static struct i915_power_well cnl_power_wells[] = {
+	{
+		.name = "always-on",
+		.always_on = 1,
+		.domains = POWER_DOMAIN_MASK,
+		.ops = &i9xx_always_on_power_well_ops,
+	},
+	{
+		.name = "power well 1",
+		/* Handled by the DMC firmware */
+		.domains = 0,
+		.ops = &skl_power_well_ops,
+		.id = SKL_DISP_PW_1,
+	},
+	{
+		.name = "AUX A",
+		.domains = CNL_DISPLAY_AUX_A_POWER_DOMAINS,
+		.ops = &skl_power_well_ops,
+		.id = CNL_DISP_PW_AUX_A,
+	},
+	{
+		.name = "AUX B",
+		.domains = CNL_DISPLAY_AUX_B_POWER_DOMAINS,
+		.ops = &skl_power_well_ops,
+		.id = CNL_DISP_PW_AUX_B,
+	},
+	{
+		.name = "AUX C",
+		.domains = CNL_DISPLAY_AUX_C_POWER_DOMAINS,
+		.ops = &skl_power_well_ops,
+		.id = CNL_DISP_PW_AUX_C,
+	},
+	{
+		.name = "AUX D",
+		.domains = CNL_DISPLAY_AUX_D_POWER_DOMAINS,
+		.ops = &skl_power_well_ops,
+		.id = CNL_DISP_PW_AUX_D,
+	},
+	{
+		.name = "DC off",
+		.domains = CNL_DISPLAY_DC_OFF_POWER_DOMAINS,
+		.ops = &gen9_dc_off_power_well_ops,
+		.id = SKL_DISP_PW_DC_OFF,
+	},
+	{
+		.name = "power well 2",
+		.domains = CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS,
+		.ops = &skl_power_well_ops,
+		.id = SKL_DISP_PW_2,
+	},
+	{
+		.name = "DDI A IO power well",
+		.domains = CNL_DISPLAY_DDI_A_IO_POWER_DOMAINS,
+		.ops = &skl_power_well_ops,
+		.id = CNL_DISP_PW_DDI_A,
+	},
+	{
+		.name = "DDI B IO power well",
+		.domains = CNL_DISPLAY_DDI_B_IO_POWER_DOMAINS,
+		.ops = &skl_power_well_ops,
+		.id = SKL_DISP_PW_DDI_B,
+	},
+	{
+		.name = "DDI C IO power well",
+		.domains = CNL_DISPLAY_DDI_C_IO_POWER_DOMAINS,
+		.ops = &skl_power_well_ops,
+		.id = SKL_DISP_PW_DDI_C,
+	},
+	{
+		.name = "DDI D IO power well",
+		.domains = CNL_DISPLAY_DDI_D_IO_POWER_DOMAINS,
+		.ops = &skl_power_well_ops,
+		.id = SKL_DISP_PW_DDI_D,
+	},
+};
+
 static int
 sanitize_disable_power_well_option(const struct drm_i915_private *dev_priv,
 				   int disable_power_well)
@@ -2369,6 +2495,8 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv)
 		set_power_wells(power_domains, bdw_power_wells);
 	} else if (IS_GEN9_BC(dev_priv)) {
 		set_power_wells(power_domains, skl_power_wells);
+	} else if (IS_CANNONLAKE(dev_priv)) {
+		set_power_wells(power_domains, cnl_power_wells);
 	} else if (IS_BROXTON(dev_priv)) {
 		set_power_wells(power_domains, bxt_power_wells);
 	} else if (IS_GEMINILAKE(dev_priv)) {