drm/i915/display: pass struct pci_dev * to intel_display_device_probe()

Convert intel_display_device_probe() to accept struct pci_dev * instead
of struct drm_i915_private *. Return struct intel_display * in
preparation of allocating the memory of it later.

Reviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ab4e960e3fff46cbeba185882b1e554f0ccd5877.1731321183.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

5 files changed, 13 insertions, 10 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c
index 45a80b358aa0..41df7a8fd32e 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.c
+++ b/drivers/gpu/drm/i915/display/intel_display_device.c
@@ -16,6 +16,7 @@
 #include "intel_display_params.h"
 #include "intel_display_power.h"
 #include "intel_display_reg_defs.h"
+#include "intel_display_types.h"
 #include "intel_fbc.h"
 #include "intel_step.h"
 
@@ -1569,10 +1570,9 @@ static void display_platforms_or(struct intel_display_platforms *dst,
 	bitmap_or(dst->bitmap, dst->bitmap, src->bitmap, display_platforms_num_bits());
 }
 
-void intel_display_device_probe(struct drm_i915_private *i915)
+struct intel_display *intel_display_device_probe(struct pci_dev *pdev)
 {
-	struct intel_display *display = &i915->display;
-	struct pci_dev *pdev = to_pci_dev(i915->drm.dev);
+	struct intel_display *display = to_intel_display(pdev);
 	const struct intel_display_device_info *info;
 	struct intel_display_ip_ver ip_ver = {};
 	const struct platform_desc *desc;
@@ -1649,10 +1649,12 @@ void intel_display_device_probe(struct drm_i915_private *i915)
 		 DISPLAY_RUNTIME_INFO(display)->ip.rel,
 		 step != STEP_NONE ? intel_step_name(step) : "N/A");
 
-	return;
+	return display;
 
 no_display:
 	DISPLAY_INFO(display) = &no_display;
+
+	return display;
 }
 
 void intel_display_device_remove(struct intel_display *display)
diff --git a/drivers/gpu/drm/i915/display/intel_display_device.h b/drivers/gpu/drm/i915/display/intel_display_device.h
index 3773d3cf7692..0dd48737804d 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.h
+++ b/drivers/gpu/drm/i915/display/intel_display_device.h
@@ -12,9 +12,9 @@
 #include "intel_display_conversion.h"
 #include "intel_display_limits.h"
 
-struct drm_i915_private;
 struct drm_printer;
 struct intel_display;
+struct pci_dev;
 
 /*
  * Display platforms and subplatforms. Keep platforms in display version based
@@ -290,7 +290,7 @@ struct intel_display_device_info {
 };
 
 bool intel_display_device_enabled(struct intel_display *display);
-void intel_display_device_probe(struct drm_i915_private *i915);
+struct intel_display *intel_display_device_probe(struct pci_dev *pdev);
 void intel_display_device_remove(struct intel_display *display);
 void intel_display_device_info_runtime_init(struct intel_display *display);
 
diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
index 0b032f823ff6..991b20f55341 100644
--- a/drivers/gpu/drm/i915/i915_driver.c
+++ b/drivers/gpu/drm/i915/i915_driver.c
@@ -736,7 +736,7 @@ i915_driver_create(struct pci_dev *pdev, const struct pci_device_id *ent)
 	/* Set up device info and initial runtime info. */
 	intel_device_info_driver_create(i915, pdev->device, match_info);
 
-	intel_display_device_probe(i915);
+	intel_display_device_probe(pdev);
 
 	return i915;
 }
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index ae57eb03dfca..a77e5b26542c 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -180,7 +180,7 @@ struct drm_i915_private *mock_gem_device(void)
 	/* Set up device info and initial runtime info. */
 	intel_device_info_driver_create(i915, pdev->device, &mock_info);
 
-	intel_display_device_probe(i915);
+	intel_display_device_probe(pdev);
 
 	dev_pm_domain_set(&pdev->dev, &pm_domain);
 	pm_runtime_enable(&pdev->dev);
diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c
index ef2a2b34dc23..9ea2b3d133a0 100644
--- a/drivers/gpu/drm/xe/display/xe_display.c
+++ b/drivers/gpu/drm/xe/display/xe_display.c
@@ -492,13 +492,14 @@ static void display_device_remove(struct drm_device *dev, void *arg)
 
 int xe_display_probe(struct xe_device *xe)
 {
-	struct intel_display *display = &xe->display;
+	struct pci_dev *pdev = to_pci_dev(xe->drm.dev);
+	struct intel_display *display;
 	int err;
 
 	if (!xe->info.probe_display)
 		goto no_display;
 
-	intel_display_device_probe(xe);
+	display = intel_display_device_probe(pdev);
 
 	err = drmm_add_action_or_reset(&xe->drm, display_device_remove, display);
 	if (err)