[PATCH 14/15] drm/i915/display: pass struct pci_dev * to intel_display_device_probe()

[Jani Nikula]

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.

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/display/intel_display_device.c | 10 ++++++----
 drivers/gpu/drm/i915/display/intel_display_device.h |  4 ++--
 drivers/gpu/drm/i915/i915_driver.c                  |  2 +-
 drivers/gpu/drm/i915/selftests/mock_gem_device.c    |  2 +-
 drivers/gpu/drm/xe/display/xe_display.c             |  5 +++--
 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 aabf6ece40c4..8ba1b4652ca9 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 01e3cc0fde4b..e1398689cda5 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
@@ -288,7 +288,7 @@ 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 596aaf940d0c..310c0a2e9e26 100644
--- a/drivers/gpu/drm/i915/i915_driver.c
+++ b/drivers/gpu/drm/i915/i915_driver.c
@@ -732,7 +732,7 @@ 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 9b8acf2074e0..60ff48604e3b 100644
--- a/drivers/gpu/drm/xe/display/xe_display.c
+++ b/drivers/gpu/drm/xe/display/xe_display.c
@@ -502,13 +502,14 @@ 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)
-- 
2.39.5