From: Jani Nikula <jani.nikula@intel.com>
Date: Mon, 17 Nov 2025 09:16:12 +0000 (+0200)
Subject: drm/i915: add .has_fenced_regions to parent interface
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4799ff418f9a68361331fdc7fc01f66dc314adb9;p=thirdparty%2Fkernel%2Flinux.git

drm/i915: add .has_fenced_regions to parent interface

Add .has_fenced_regions() to display parent interface, removing more
dependencies on struct drm_i915_private, i915_drv.h, and
gt/intel_gt_types.h.

This allows us to remove the xe compat gt/intel_gt_types.h.

v2: s/fence_support_legacy/has_fenced_regions/ (Ville)

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/309f61a8742c3bf731c820b2f9e1024143db8598.1763370931.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---

diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index cfadc69010a46..d9cab25d414a1 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -47,9 +47,6 @@
 
 #include "gem/i915_gem_stolen.h"
 
-#include "gt/intel_gt_types.h"
-
-#include "i915_drv.h"
 #include "i915_vma.h"
 #include "i9xx_plane_regs.h"
 #include "intel_de.h"
@@ -64,6 +61,7 @@
 #include "intel_fbc_regs.h"
 #include "intel_frontbuffer.h"
 #include "intel_parent.h"
+#include "intel_step.h"
 
 #define for_each_fbc_id(__display, __fbc_id) \
 	for ((__fbc_id) = INTEL_FBC_A; (__fbc_id) < I915_MAX_FBCS; (__fbc_id)++) \
@@ -267,9 +265,7 @@ static u16 intel_fbc_override_cfb_stride(const struct intel_plane_state *plane_s
 
 static bool intel_fbc_has_fences(struct intel_display *display)
 {
-	struct drm_i915_private __maybe_unused *i915 = to_i915(display->drm);
-
-	return intel_gt_support_legacy_fencing(to_gt(i915));
+	return intel_parent_has_fenced_regions(display);
 }
 
 static u32 i8xx_fbc_ctl(struct intel_fbc *fbc)
diff --git a/drivers/gpu/drm/i915/display/intel_parent.c b/drivers/gpu/drm/i915/display/intel_parent.c
index 3786fd42827d3..535065e572134 100644
--- a/drivers/gpu/drm/i915/display/intel_parent.c
+++ b/drivers/gpu/drm/i915/display/intel_parent.c
@@ -36,3 +36,8 @@ bool intel_parent_vgpu_active(struct intel_display *display)
 {
 	return display->parent->vgpu_active && display->parent->vgpu_active(display->drm);
 }
+
+bool intel_parent_has_fenced_regions(struct intel_display *display)
+{
+	return display->parent->has_fenced_regions && display->parent->has_fenced_regions(display->drm);
+}
diff --git a/drivers/gpu/drm/i915/display/intel_parent.h b/drivers/gpu/drm/i915/display/intel_parent.h
index 222c95836d35c..04320d9377777 100644
--- a/drivers/gpu/drm/i915/display/intel_parent.h
+++ b/drivers/gpu/drm/i915/display/intel_parent.h
@@ -13,4 +13,6 @@ void intel_parent_irq_synchronize(struct intel_display *display);
 
 bool intel_parent_vgpu_active(struct intel_display *display);
 
+bool intel_parent_has_fenced_regions(struct intel_display *display);
+
 #endif /* __INTEL_PARENT_H__ */
diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
index f21f1919a225a..9ba46850da724 100644
--- a/drivers/gpu/drm/i915/i915_driver.c
+++ b/drivers/gpu/drm/i915/i915_driver.c
@@ -744,10 +744,16 @@ static bool vgpu_active(struct drm_device *drm)
 	return intel_vgpu_active(to_i915(drm));
 }
 
+static bool has_fenced_regions(struct drm_device *drm)
+{
+	return intel_gt_support_legacy_fencing(to_gt(to_i915(drm)));
+}
+
 static const struct intel_display_parent_interface parent = {
 	.rpm = &i915_display_rpm_interface,
 	.irq = &i915_display_irq_interface,
 	.vgpu_active = vgpu_active,
+	.has_fenced_regions = has_fenced_regions,
 };
 
 const struct intel_display_parent_interface *i915_driver_parent_interface(void)
diff --git a/drivers/gpu/drm/xe/compat-i915-headers/gt/intel_gt_types.h b/drivers/gpu/drm/xe/compat-i915-headers/gt/intel_gt_types.h
deleted file mode 100644
index c15806d6c4f78..0000000000000
--- a/drivers/gpu/drm/xe/compat-i915-headers/gt/intel_gt_types.h
+++ /dev/null
@@ -1,11 +0,0 @@
-/* SPDX-License-Identifier: MIT */
-/*
- * Copyright © 2023 Intel Corporation
- */
-
-#ifndef __INTEL_GT_TYPES__
-#define __INTEL_GT_TYPES__
-
-#define intel_gt_support_legacy_fencing(gt) 0
-
-#endif
diff --git a/include/drm/intel/display_parent_interface.h b/include/drm/intel/display_parent_interface.h
index f3834f36ce741..927d964f20712 100644
--- a/include/drm/intel/display_parent_interface.h
+++ b/include/drm/intel/display_parent_interface.h
@@ -51,6 +51,9 @@ struct intel_display_parent_interface {
 
 	/** @vgpu_active: Is vGPU active? Optional. */
 	bool (*vgpu_active)(struct drm_device *drm);
+
+	/** @has_fenced_regions: Support legacy fencing? Optional. */
+	bool (*has_fenced_regions)(struct drm_device *drm);
 };
 
 #endif