[Intel-gfx] [PATCH 15/30] drm/i915/display: remove explicit CNL handling from intel_display_power.c

[Lucas De Marchi <lucas.demarchi@intel.com>]

The only real platform with DISPLAY_VER == 10 is GLK. We don't need to
handle CNL explicitly in intel_display_power.c.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
---
 .../drm/i915/display/intel_display_power.c    | 289 ------------------
 .../drm/i915/display/intel_display_power.h    |   2 -
 drivers/gpu/drm/i915/i915_reg.h               |  13 -
 3 files changed, 304 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 81efc77bada0..44aef0c44ab7 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -447,17 +447,6 @@ static void hsw_power_well_enable(struct drm_i915_private *dev_priv,
 
 	hsw_wait_for_power_well_enable(dev_priv, power_well, false);
 
-	/* Display WA #1178: cnl */
-	if (IS_CANNONLAKE(dev_priv) &&
-	    pw_idx >= GLK_PW_CTL_IDX_AUX_B &&
-	    pw_idx <= CNL_PW_CTL_IDX_AUX_F) {
-		u32 val;
-
-		val = intel_de_read(dev_priv, CNL_AUX_ANAOVRD1(pw_idx));
-		val |= CNL_AUX_ANAOVRD1_ENABLE | CNL_AUX_ANAOVRD1_LDO_BYPASS;
-		intel_de_write(dev_priv, CNL_AUX_ANAOVRD1(pw_idx), val);
-	}
-
 	if (power_well->desc->hsw.has_fuses) {
 		enum skl_power_gate pg;
 
@@ -2743,63 +2732,6 @@ intel_display_power_put_mask_in_set(struct drm_i915_private *i915,
 	BIT_ULL(POWER_DOMAIN_GMBUS) |			\
 	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_F_LANES) |		\
-	BIT_ULL(POWER_DOMAIN_AUX_B) |                       \
-	BIT_ULL(POWER_DOMAIN_AUX_C) |			\
-	BIT_ULL(POWER_DOMAIN_AUX_D) |			\
-	BIT_ULL(POWER_DOMAIN_AUX_F) |			\
-	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_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_AUX_IO_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_AUX_F_POWER_DOMAINS (		\
-	BIT_ULL(POWER_DOMAIN_AUX_F) |			\
-	BIT_ULL(POWER_DOMAIN_INIT))
-#define CNL_DISPLAY_DDI_F_IO_POWER_DOMAINS (		\
-	BIT_ULL(POWER_DOMAIN_PORT_DDI_F_IO) |		\
-	BIT_ULL(POWER_DOMAIN_INIT))
-#define CNL_DISPLAY_DC_OFF_POWER_DOMAINS (		\
-	CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS |		\
-	BIT_ULL(POWER_DOMAIN_GT_IRQ) |			\
-	BIT_ULL(POWER_DOMAIN_MODESET) |			\
-	BIT_ULL(POWER_DOMAIN_AUX_A) |			\
-	BIT_ULL(POWER_DOMAIN_INIT))
-
 /*
  * ICL PW_0/PG_0 domains (HW/DMC control):
  * - PCI
@@ -3706,148 +3638,6 @@ static const struct i915_power_well_desc glk_power_wells[] = {
 	},
 };
 
-static const struct i915_power_well_desc cnl_power_wells[] = {
-	{
-		.name = "always-on",
-		.always_on = true,
-		.domains = POWER_DOMAIN_MASK,
-		.ops = &i9xx_always_on_power_well_ops,
-		.id = DISP_PW_ID_NONE,
-	},
-	{
-		.name = "power well 1",
-		/* Handled by the DMC firmware */
-		.always_on = true,
-		.domains = 0,
-		.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,
-		},
-	},
-	{
-		.name = "AUX A",
-		.domains = CNL_DISPLAY_AUX_A_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
-		.id = DISP_PW_ID_NONE,
-		{
-			.hsw.regs = &hsw_power_well_regs,
-			.hsw.idx = GLK_PW_CTL_IDX_AUX_A,
-		},
-	},
-	{
-		.name = "AUX B",
-		.domains = CNL_DISPLAY_AUX_B_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
-		.id = DISP_PW_ID_NONE,
-		{
-			.hsw.regs = &hsw_power_well_regs,
-			.hsw.idx = GLK_PW_CTL_IDX_AUX_B,
-		},
-	},
-	{
-		.name = "AUX C",
-		.domains = CNL_DISPLAY_AUX_C_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
-		.id = DISP_PW_ID_NONE,
-		{
-			.hsw.regs = &hsw_power_well_regs,
-			.hsw.idx = GLK_PW_CTL_IDX_AUX_C,
-		},
-	},
-	{
-		.name = "AUX D",
-		.domains = CNL_DISPLAY_AUX_D_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
-		.id = DISP_PW_ID_NONE,
-		{
-			.hsw.regs = &hsw_power_well_regs,
-			.hsw.idx = CNL_PW_CTL_IDX_AUX_D,
-		},
-	},
-	{
-		.name = "DC off",
-		.domains = CNL_DISPLAY_DC_OFF_POWER_DOMAINS,
-		.ops = &gen9_dc_off_power_well_ops,
-		.id = SKL_DISP_DC_OFF,
-	},
-	{
-		.name = "power well 2",
-		.domains = CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS,
-		.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,
-			.hsw.has_fuses = true,
-		},
-	},
-	{
-		.name = "DDI A IO power well",
-		.domains = CNL_DISPLAY_DDI_A_IO_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
-		.id = DISP_PW_ID_NONE,
-		{
-			.hsw.regs = &hsw_power_well_regs,
-			.hsw.idx = GLK_PW_CTL_IDX_DDI_A,
-		},
-	},
-	{
-		.name = "DDI B IO power well",
-		.domains = CNL_DISPLAY_DDI_B_IO_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
-		.id = DISP_PW_ID_NONE,
-		{
-			.hsw.regs = &hsw_power_well_regs,
-			.hsw.idx = SKL_PW_CTL_IDX_DDI_B,
-		},
-	},
-	{
-		.name = "DDI C IO power well",
-		.domains = CNL_DISPLAY_DDI_C_IO_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
-		.id = DISP_PW_ID_NONE,
-		{
-			.hsw.regs = &hsw_power_well_regs,
-			.hsw.idx = SKL_PW_CTL_IDX_DDI_C,
-		},
-	},
-	{
-		.name = "DDI D IO power well",
-		.domains = CNL_DISPLAY_DDI_D_IO_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
-		.id = DISP_PW_ID_NONE,
-		{
-			.hsw.regs = &hsw_power_well_regs,
-			.hsw.idx = SKL_PW_CTL_IDX_DDI_D,
-		},
-	},
-	{
-		.name = "DDI F IO power well",
-		.domains = CNL_DISPLAY_DDI_F_IO_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
-		.id = CNL_DISP_PW_DDI_F_IO,
-		{
-			.hsw.regs = &hsw_power_well_regs,
-			.hsw.idx = CNL_PW_CTL_IDX_DDI_F,
-		},
-	},
-	{
-		.name = "AUX F",
-		.domains = CNL_DISPLAY_AUX_F_POWER_DOMAINS,
-		.ops = &hsw_power_well_ops,
-		.id = CNL_DISP_PW_DDI_F_AUX,
-		{
-			.hsw.regs = &hsw_power_well_regs,
-			.hsw.idx = CNL_PW_CTL_IDX_AUX_F,
-		},
-	},
-};
-
 static const struct i915_power_well_ops icl_aux_power_well_ops = {
 	.sync_hw = hsw_power_well_sync_hw,
 	.enable = icl_aux_power_well_enable,
@@ -5147,12 +4937,6 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv)
 		err = set_power_wells(power_domains, tgl_power_wells);
 	} else if (DISPLAY_VER(dev_priv) == 11) {
 		err = set_power_wells(power_domains, icl_power_wells);
-	} else if (IS_CNL_WITH_PORT_F(dev_priv)) {
-		err = set_power_wells(power_domains, cnl_power_wells);
-	} else if (IS_CANNONLAKE(dev_priv)) {
-		err = set_power_wells_mask(power_domains, cnl_power_wells,
-					   BIT_ULL(CNL_DISP_PW_DDI_F_IO) |
-					   BIT_ULL(CNL_DISP_PW_DDI_F_AUX));
 	} else if (IS_GEMINILAKE(dev_priv)) {
 		err = set_power_wells(power_domains, glk_power_wells);
 	} else if (IS_BROXTON(dev_priv)) {
@@ -5707,75 +5491,6 @@ static void bxt_display_core_uninit(struct drm_i915_private *dev_priv)
 	usleep_range(10, 30);		/* 10 us delay per Bspec */
 }
 
-static void cnl_display_core_init(struct drm_i915_private *dev_priv, bool resume)
-{
-	struct i915_power_domains *power_domains = &dev_priv->power_domains;
-	struct i915_power_well *well;
-
-	gen9_set_dc_state(dev_priv, DC_STATE_DISABLE);
-
-	/* 1. Enable PCH Reset Handshake */
-	intel_pch_reset_handshake(dev_priv, !HAS_PCH_NOP(dev_priv));
-
-	if (!HAS_DISPLAY(dev_priv))
-		return;
-
-	/* 2-3. */
-	intel_combo_phy_init(dev_priv);
-
-	/*
-	 * 4. Enable Power Well 1 (PG1).
-	 *    The AUX IO power wells will be enabled on demand.
-	 */
-	mutex_lock(&power_domains->lock);
-	well = lookup_power_well(dev_priv, SKL_DISP_PW_1);
-	intel_power_well_enable(dev_priv, well);
-	mutex_unlock(&power_domains->lock);
-
-	/* 5. Enable CD clock */
-	intel_cdclk_init_hw(dev_priv);
-
-	/* 6. Enable DBUF */
-	gen9_dbuf_enable(dev_priv);
-
-	if (resume && intel_dmc_has_payload(dev_priv))
-		intel_dmc_load_program(dev_priv);
-}
-
-static void cnl_display_core_uninit(struct drm_i915_private *dev_priv)
-{
-	struct i915_power_domains *power_domains = &dev_priv->power_domains;
-	struct i915_power_well *well;
-
-	if (!HAS_DISPLAY(dev_priv))
-		return;
-
-	gen9_disable_dc_states(dev_priv);
-
-	/* 1. Disable all display engine functions -> aready done */
-
-	/* 2. Disable DBUF */
-	gen9_dbuf_disable(dev_priv);
-
-	/* 3. Disable CD clock */
-	intel_cdclk_uninit_hw(dev_priv);
-
-	/*
-	 * 4. Disable Power Well 1 (PG1).
-	 *    The AUX IO power wells are toggled on demand, so they are already
-	 *    disabled at this point.
-	 */
-	mutex_lock(&power_domains->lock);
-	well = lookup_power_well(dev_priv, SKL_DISP_PW_1);
-	intel_power_well_disable(dev_priv, well);
-	mutex_unlock(&power_domains->lock);
-
-	usleep_range(10, 30);		/* 10 us delay per Bspec */
-
-	/* 5. */
-	intel_combo_phy_uninit(dev_priv);
-}
-
 struct buddy_page_mask {
 	u32 page_mask;
 	u8 type;
@@ -6120,8 +5835,6 @@ void intel_power_domains_init_hw(struct drm_i915_private *i915, bool resume)
 
 	if (DISPLAY_VER(i915) >= 11) {
 		icl_display_core_init(i915, resume);
-	} else if (IS_CANNONLAKE(i915)) {
-		cnl_display_core_init(i915, resume);
 	} else if (IS_GEMINILAKE(i915) || IS_BROXTON(i915)) {
 		bxt_display_core_init(i915, resume);
 	} else if (DISPLAY_VER(i915) == 9) {
@@ -6281,8 +5994,6 @@ void intel_power_domains_suspend(struct drm_i915_private *i915,
 
 	if (DISPLAY_VER(i915) >= 11)
 		icl_display_core_uninit(i915);
-	else if (IS_CANNONLAKE(i915))
-		cnl_display_core_uninit(i915);
 	else if (IS_GEMINILAKE(i915) || IS_BROXTON(i915))
 		bxt_display_core_uninit(i915);
 	else if (DISPLAY_VER(i915) == 9)
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h
index ad788bbd727d..c79f7ca739d2 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.h
+++ b/drivers/gpu/drm/i915/display/intel_display_power.h
@@ -142,8 +142,6 @@ enum i915_power_well_id {
 	SKL_DISP_PW_MISC_IO,
 	SKL_DISP_PW_1,
 	SKL_DISP_PW_2,
-	CNL_DISP_PW_DDI_F_IO,
-	CNL_DISP_PW_DDI_F_AUX,
 	ICL_DISP_PW_3,
 	SKL_DISP_DC_OFF,
 	TGL_DISP_PW_TC_COLD_OFF,
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 65596987b156..91e93f3e9649 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -9828,19 +9828,6 @@ enum skl_power_gate {
 	((pw_idx) - ICL_PW_CTL_IDX_PW_1 + SKL_PG1)
 #define  SKL_FUSE_PG_DIST_STATUS(pg)		(1 << (27 - (pg)))
 
-#define _CNL_AUX_REG_IDX(pw_idx)	((pw_idx) - GLK_PW_CTL_IDX_AUX_B)
-#define _CNL_AUX_ANAOVRD1_B		0x162250
-#define _CNL_AUX_ANAOVRD1_C		0x162210
-#define _CNL_AUX_ANAOVRD1_D		0x1622D0
-#define _CNL_AUX_ANAOVRD1_F		0x162A90
-#define CNL_AUX_ANAOVRD1(pw_idx)	_MMIO(_PICK(_CNL_AUX_REG_IDX(pw_idx), \
-						    _CNL_AUX_ANAOVRD1_B, \
-						    _CNL_AUX_ANAOVRD1_C, \
-						    _CNL_AUX_ANAOVRD1_D, \
-						    _CNL_AUX_ANAOVRD1_F))
-#define   CNL_AUX_ANAOVRD1_ENABLE	(1 << 16)
-#define   CNL_AUX_ANAOVRD1_LDO_BYPASS	(1 << 23)
-
 #define _ICL_AUX_REG_IDX(pw_idx)	((pw_idx) - ICL_PW_CTL_IDX_AUX_A)
 #define _ICL_AUX_ANAOVRD1_A		0x162398
 #define _ICL_AUX_ANAOVRD1_B		0x6C398
-- 
2.31.1

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