Merge tag 'drm-intel-next-2025-03-10' of https://gitlab.freedesktop.org/drm/i915/kernel into drm-next

drm/i915 feature pull #2 for v6.15:

Features and functionality:
- FBC dirty rectangle support for display version 30+ (Vinod)
- Update plane scalers via DSB based commits (Ville)
- Move runtime power status info to display power debugfs (Jani)

Refactoring and cleanups:
- Convert i915 and xe to DRM client setup (Thomas)
- Refactor and clean up CDCLK/bw/dbuf readout/sanitation (Ville)
- Conversions from drm_i915_private to struct intel_display (Jani, Suraj)
- Refactor display reset for better separation between display and core (Jani)
- Move panel fitter code together (Jani)
- Add mst and hdcp sub-structs to display structs for clarity (Jani)
- Header refactoring to clarify separation between display and i915 core (Jani)

Fixes:
- Fix DP MST max stream count to match number of pipes (Jani)
- Fix encoder HW state readout of DP MST UHBR (Imre)
- Fix ICL+ combo PHY cursor and coeff polarity programming (Ville)
- Fix pipeDMC and ATS fault handling (Ville)
- Display workarounds (Gustavo)
- Remove duplicate forward declaration (Vinod)
- Improve POWER_DOMAIN_*() macro type safety (Gustavo)
- Move CDCLK post plane programming later (Ville)

DRM core changes:
- Add client-hotplug helper (Thomas)
- Send pending hotplug events after client resume (Thomas)
- Add fb_restore and fb_set_suspend fb helper hooks (Thomas)
- Remove struct fb_probe fb helper hook (Thomas)
- Add const qualifier to drm_atomic_helper_damage_merged() (Vinod)

Xe driver changes:
- Convert i915 and xe to DRM client setup (Thomas)
- Refactor i915 compat headers (Jani)
- Fix fbdev GGTT mapping handling (Maarten)
- Figure out pxp instance from the gem object (Jani)

Merges:
- Backmerge drm-next to fix conflicts with drm-xe-next (Jani)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87o6y9gpub.fsf@intel.com

Author: airlied

drivers/gpu/drm/drm_client_event.c

@@ -49,6 +49,29 @@ void drm_client_dev_unregister(struct drm_device *dev)
 }
 EXPORT_SYMBOL(drm_client_dev_unregister);
 
+static void drm_client_hotplug(struct drm_client_dev *client)
+{
+	struct drm_device *dev = client->dev;
+	int ret;
+
+	if (!client->funcs || !client->funcs->hotplug)
+		return;
+
+	if (client->hotplug_failed)
+		return;
+
+	if (client->suspended) {
+		client->hotplug_pending = true;
+		return;
+	}
+
+	client->hotplug_pending = false;
+	ret = client->funcs->hotplug(client);
+	drm_dbg_kms(dev, "%s: ret=%d\n", client->name, ret);
+	if (ret)
+		client->hotplug_failed = true;
+}
+
 /**
  * drm_client_dev_hotplug - Send hotplug event to clients
  * @dev: DRM device
@@ -61,7 +84,6 @@ EXPORT_SYMBOL(drm_client_dev_unregister);
 void drm_client_dev_hotplug(struct drm_device *dev)
 {
 	struct drm_client_dev *client;
-	int ret;
 
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
 		return;
@@ -72,18 +94,8 @@ void drm_client_dev_hotplug(struct drm_device *dev)
 	}
 
 	mutex_lock(&dev->clientlist_mutex);
-	list_for_each_entry(client, &dev->clientlist, list) {
-		if (!client->funcs || !client->funcs->hotplug)
-			continue;
-
-		if (client->hotplug_failed)
-			continue;
-
-		ret = client->funcs->hotplug(client);
-		drm_dbg_kms(dev, "%s: ret=%d\n", client->name, ret);
-		if (ret)
-			client->hotplug_failed = true;
-	}
+	list_for_each_entry(client, &dev->clientlist, list)
+		drm_client_hotplug(client);
 	mutex_unlock(&dev->clientlist_mutex);
 }
 EXPORT_SYMBOL(drm_client_dev_hotplug);
@@ -153,6 +165,9 @@ static int drm_client_resume(struct drm_client_dev *client, bool holds_console_l
 
 	client->suspended = false;
 
+	if (client->hotplug_pending)
+		drm_client_hotplug(client);
+
 	return ret;
 }
 

drivers/gpu/drm/drm_damage_helper.c

@@ -308,7 +308,7 @@ EXPORT_SYMBOL(drm_atomic_helper_damage_iter_next);
  * True if there is valid plane damage otherwise false.
  */
 bool drm_atomic_helper_damage_merged(const struct drm_plane_state *old_state,
-				     struct drm_plane_state *state,
+				     const struct drm_plane_state *state,
 				     struct drm_rect *rect)
 {
 	struct drm_atomic_helper_damage_iter iter;

drivers/gpu/drm/drm_fb_helper.c

@@ -245,6 +245,9 @@ __drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper,
 	if (do_delayed)
 		drm_fb_helper_hotplug_event(fb_helper);
 
+	if (fb_helper->funcs->fb_restore)
+		fb_helper->funcs->fb_restore(fb_helper);
+
 	return ret;
 }
 
@@ -754,7 +757,12 @@ EXPORT_SYMBOL(drm_fb_helper_deferred_io);
  */
 void drm_fb_helper_set_suspend(struct drm_fb_helper *fb_helper, bool suspend)
 {
-	if (fb_helper && fb_helper->info)
+	if (!fb_helper || !fb_helper->info)
+		return;
+
+	if (fb_helper->funcs->fb_set_suspend)
+		fb_helper->funcs->fb_set_suspend(fb_helper, suspend);
+	else
 		fb_set_suspend(fb_helper->info, suspend);
 }
 EXPORT_SYMBOL(drm_fb_helper_set_suspend);
@@ -800,7 +808,7 @@ void drm_fb_helper_set_suspend_unlocked(struct drm_fb_helper *fb_helper,
 		}
 	}
 
-	fb_set_suspend(fb_helper->info, suspend);
+	drm_fb_helper_set_suspend(fb_helper, suspend);
 	console_unlock();
 }
 EXPORT_SYMBOL(drm_fb_helper_set_suspend_unlocked);
@@ -1626,6 +1634,9 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper)
 	struct fb_info *info;
 	int ret;
 
+	if (drm_WARN_ON(dev, !dev->driver->fbdev_probe))
+		return -EINVAL;
+
 	ret = drm_fb_helper_find_sizes(fb_helper, &sizes);
 	if (ret) {
 		/* First time: disable all crtc's.. */
@@ -1635,10 +1646,7 @@ static int drm_fb_helper_single_fb_probe(struct drm_fb_helper *fb_helper)
 	}
 
 	/* push down into drivers */
-	if (dev->driver->fbdev_probe)
-		ret = dev->driver->fbdev_probe(fb_helper, &sizes);
-	else if (fb_helper->funcs)
-		ret = fb_helper->funcs->fb_probe(fb_helper, &sizes);
+	ret = dev->driver->fbdev_probe(fb_helper, &sizes);
 	if (ret < 0)
 		return ret;
 

drivers/gpu/drm/i915/display/g4x_dp.c

@@ -1311,7 +1311,7 @@ bool g4x_dp_init(struct intel_display *display,
 
 	intel_encoder->devdata = devdata;
 
-	mutex_init(&dig_port->hdcp_mutex);
+	mutex_init(&dig_port->hdcp.mutex);
 
 	if (drm_encoder_init(display->drm, &intel_encoder->base,
 			     &intel_dp_enc_funcs, DRM_MODE_ENCODER_TMDS,

drivers/gpu/drm/i915/display/g4x_hdmi.c

@@ -715,7 +715,7 @@ bool g4x_hdmi_init(struct intel_display *display,
 
 	intel_encoder->devdata = devdata;
 
-	mutex_init(&dig_port->hdcp_mutex);
+	mutex_init(&dig_port->hdcp.mutex);
 
 	if (drm_encoder_init(display->drm, &intel_encoder->base,
 			     &intel_hdmi_enc_funcs, DRM_MODE_ENCODER_TMDS,

drivers/gpu/drm/i915/display/i9xx_wm.c

@@ -3902,12 +3902,6 @@ static void g4x_wm_sanitize(struct drm_i915_private *dev_priv)
 	mutex_unlock(&dev_priv->display.wm.wm_mutex);
 }
 
-static void g4x_wm_get_hw_state_and_sanitize(struct drm_i915_private *i915)
-{
-	g4x_wm_get_hw_state(i915);
-	g4x_wm_sanitize(i915);
-}
-
 static void vlv_wm_get_hw_state(struct drm_i915_private *dev_priv)
 {
 	struct vlv_wm_values *wm = &dev_priv->display.wm.vlv;
@@ -4055,12 +4049,6 @@ static void vlv_wm_sanitize(struct drm_i915_private *dev_priv)
 	mutex_unlock(&dev_priv->display.wm.wm_mutex);
 }
 
-static void vlv_wm_get_hw_state_and_sanitize(struct drm_i915_private *i915)
-{
-	vlv_wm_get_hw_state(i915);
-	vlv_wm_sanitize(i915);
-}
-
 /*
  * FIXME should probably kill this and improve
  * the real watermark readout/sanitation instead
@@ -4122,14 +4110,16 @@ static const struct intel_wm_funcs vlv_wm_funcs = {
 	.initial_watermarks = vlv_initial_watermarks,
 	.optimize_watermarks = vlv_optimize_watermarks,
 	.atomic_update_watermarks = vlv_atomic_update_fifo,
-	.get_hw_state = vlv_wm_get_hw_state_and_sanitize,
+	.get_hw_state = vlv_wm_get_hw_state,
+	.sanitize = vlv_wm_sanitize,
 };
 
 static const struct intel_wm_funcs g4x_wm_funcs = {
 	.compute_watermarks = g4x_compute_watermarks,
 	.initial_watermarks = g4x_initial_watermarks,
 	.optimize_watermarks = g4x_optimize_watermarks,
-	.get_hw_state = g4x_wm_get_hw_state_and_sanitize,
+	.get_hw_state = g4x_wm_get_hw_state,
+	.sanitize = g4x_wm_sanitize,
 };
 
 static const struct intel_wm_funcs pnv_wm_funcs = {

drivers/gpu/drm/i915/display/icl_dsi.c

@@ -1647,7 +1647,7 @@ static int gen11_dsi_compute_config(struct intel_encoder *encoder,
 	if (ret)
 		return ret;
 
-	ret = intel_panel_fitting(pipe_config, conn_state);
+	ret = intel_pfit_compute_config(pipe_config, conn_state);
 	if (ret)
 		return ret;
 

drivers/gpu/drm/i915/display/intel_acpi.c

@@ -9,6 +9,8 @@
 #include <linux/acpi.h>
 #include <acpi/video.h>
 
+#include <drm/drm_print.h>
+
 #include "i915_utils.h"
 #include "intel_acpi.h"
 #include "intel_display_core.h"

drivers/gpu/drm/i915/display/intel_atomic.h

@@ -14,7 +14,6 @@ struct drm_connector_state;
 struct drm_crtc;
 struct drm_crtc_state;
 struct drm_device;
-struct drm_i915_private;
 struct drm_property;
 struct intel_atomic_state;
 struct intel_connector;