Merge tag 'drm-intel-next-2022-08-29' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

drm/i915 feature pull for v6.1:

Features and functionality:
- Early Meteorlake (MTL) enabling (José, Radhakrishna, Clint, Imre, Vandita, Ville, Jani)
- Support more HDMI pixel clock frequencies on DG2 (Clint)
- Sanity check PCI BARs (Piotr Piórkowski)
- Enable DC5 on DG2 (Anusha)
- DG2 DMC firmware version bump to v2.07 (Madhumitha)
- New ADL-S PCI ID (José)

Refactoring and cleanups:
- Add display sub-struct to struct drm_i915_private (Jani)
- Add initial runtime info to device info (Jani)
- Split out HDCP and backlight registers to separate files (Jani)

Fixes:
- Skip wm/ddb readout for disabled pipes (Ville)
- HDMI port timing quirk for GLK ECS Liva Q2 (Diego Santa Cruz)
- Fix bw init null pointer dereference (Łukasz Bartosik)
- Disable PPS power hook for DP AUX backlight (Jouni)
- Avoid warnings on registering multiple backlight devices (Arun)
- Fix dual-link DSI backlight and CABC ports for display 11+ (Jani)
- Fix Type-C PHY ownership programming in HDMI legacy mode (Imre)
- Fix unclaimed register access while loading PIPEDMC-C/D (Imre)
- Bump up CDCLK for DG2 (Stan)
- Prune modes that require HDMI 2.1 FRL (Ankit)
- Disable FBC when PSR1 is enabled in display 12-13 (Matt)
- Fix TGL+ HDMI transcoder clock and DDI BUF disable order (Imre)
- Disable PSR before disable pipe (José)
- Disable DMC handlers during firmware loading/disabling on display 12+ (Imre)
- Disable clock gating for PIPEDMC-A/B as a workaround (Imre)

Merges:
- Two drm-next backmerges (Rodrigo, Jani)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87k06rfaku.fsf@intel.com

1 files changed, 18 insertions, 11 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 589af257edeb..b19a1bc26277 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -7,6 +7,7 @@
 
 #include "i915_drv.h"
 #include "i915_irq.h"
+#include "intel_backlight_regs.h"
 #include "intel_cdclk.h"
 #include "intel_combo_phy.h"
 #include "intel_de.h"
@@ -268,7 +269,7 @@ sanitize_target_dc_state(struct drm_i915_private *dev_priv,
 		if (target_dc_state != states[i])
 			continue;
 
-		if (dev_priv->dmc.allowed_dc_mask & target_dc_state)
+		if (dev_priv->display.dmc.allowed_dc_mask & target_dc_state)
 			break;
 
 		target_dc_state = states[i + 1];
@@ -301,7 +302,7 @@ void intel_display_power_set_target_dc_state(struct drm_i915_private *dev_priv,
 
 	state = sanitize_target_dc_state(dev_priv, state);
 
-	if (state == dev_priv->dmc.target_dc_state)
+	if (state == dev_priv->display.dmc.target_dc_state)
 		goto unlock;
 
 	dc_off_enabled = intel_power_well_is_enabled(dev_priv, power_well);
@@ -312,7 +313,7 @@ void intel_display_power_set_target_dc_state(struct drm_i915_private *dev_priv,
 	if (!dc_off_enabled)
 		intel_power_well_enable(dev_priv, power_well);
 
-	dev_priv->dmc.target_dc_state = state;
+	dev_priv->display.dmc.target_dc_state = state;
 
 	if (!dc_off_enabled)
 		intel_power_well_disable(dev_priv, power_well);
@@ -908,7 +909,7 @@ static u32 get_allowed_dc_mask(const struct drm_i915_private *dev_priv,
 		return 0;
 
 	if (IS_DG2(dev_priv))
-		max_dc = 0;
+		max_dc = 1;
 	else if (IS_DG1(dev_priv))
 		max_dc = 3;
 	else if (DISPLAY_VER(dev_priv) >= 12)
@@ -981,10 +982,10 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv)
 	dev_priv->params.disable_power_well =
 		sanitize_disable_power_well_option(dev_priv,
 						   dev_priv->params.disable_power_well);
-	dev_priv->dmc.allowed_dc_mask =
+	dev_priv->display.dmc.allowed_dc_mask =
 		get_allowed_dc_mask(dev_priv, dev_priv->params.enable_dc);
 
-	dev_priv->dmc.target_dc_state =
+	dev_priv->display.dmc.target_dc_state =
 		sanitize_target_dc_state(dev_priv, DC_STATE_EN_UPTO_DC6);
 
 	mutex_init(&power_domains->lock);
@@ -1101,7 +1102,7 @@ static void icl_mbus_init(struct drm_i915_private *dev_priv)
 	unsigned long abox_regs = INTEL_INFO(dev_priv)->display.abox_mask;
 	u32 mask, val, i;
 
-	if (IS_ALDERLAKE_P(dev_priv))
+	if (IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14)
 		return;
 
 	mask = MBUS_ABOX_BT_CREDIT_POOL1_MASK |
@@ -1381,6 +1382,9 @@ static void intel_pch_reset_handshake(struct drm_i915_private *dev_priv,
 		reset_bits = RESET_PCH_HANDSHAKE_ENABLE;
 	}
 
+	if (DISPLAY_VER(dev_priv) >= 14)
+		reset_bits |= MTL_RESET_PICA_HANDSHAKE_EN;
+
 	val = intel_de_read(dev_priv, reg);
 
 	if (enable)
@@ -1433,6 +1437,7 @@ static void skl_display_core_uninit(struct drm_i915_private *dev_priv)
 		return;
 
 	gen9_disable_dc_states(dev_priv);
+	/* TODO: disable DMC program */
 
 	gen9_dbuf_disable(dev_priv);
 
@@ -1500,6 +1505,7 @@ static void bxt_display_core_uninit(struct drm_i915_private *dev_priv)
 		return;
 
 	gen9_disable_dc_states(dev_priv);
+	/* TODO: disable DMC program */
 
 	gen9_dbuf_disable(dev_priv);
 
@@ -1675,6 +1681,7 @@ static void icl_display_core_uninit(struct drm_i915_private *dev_priv)
 		return;
 
 	gen9_disable_dc_states(dev_priv);
+	intel_dmc_disable_program(dev_priv);
 
 	/* 1. Disable all display engine functions -> aready done */
 
@@ -2039,7 +2046,7 @@ void intel_power_domains_suspend(struct drm_i915_private *i915,
 	 * resources as required and also enable deeper system power states
 	 * that would be blocked if the firmware was inactive.
 	 */
-	if (!(i915->dmc.allowed_dc_mask & DC_STATE_EN_DC9) &&
+	if (!(i915->display.dmc.allowed_dc_mask & DC_STATE_EN_DC9) &&
 	    suspend_mode == I915_DRM_SUSPEND_IDLE &&
 	    intel_dmc_has_payload(i915)) {
 		intel_display_power_flush_work(i915);
@@ -2232,10 +2239,10 @@ void intel_display_power_resume(struct drm_i915_private *i915)
 		bxt_disable_dc9(i915);
 		icl_display_core_init(i915, true);
 		if (intel_dmc_has_payload(i915)) {
-			if (i915->dmc.allowed_dc_mask &
+			if (i915->display.dmc.allowed_dc_mask &
 			    DC_STATE_EN_UPTO_DC6)
 				skl_enable_dc6(i915);
-			else if (i915->dmc.allowed_dc_mask &
+			else if (i915->display.dmc.allowed_dc_mask &
 				 DC_STATE_EN_UPTO_DC5)
 				gen9_enable_dc5(i915);
 		}
@@ -2243,7 +2250,7 @@ void intel_display_power_resume(struct drm_i915_private *i915)
 		bxt_disable_dc9(i915);
 		bxt_display_core_init(i915, true);
 		if (intel_dmc_has_payload(i915) &&
-		    (i915->dmc.allowed_dc_mask & DC_STATE_EN_UPTO_DC5))
+		    (i915->display.dmc.allowed_dc_mask & DC_STATE_EN_UPTO_DC5))
 			gen9_enable_dc5(i915);
 	} else if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
 		hsw_disable_pc8(i915);