drm/i915: use pdev_to_i915() instead of pci_get_drvdata() directly

We have a helper for converting pci device to i915 device, use it.

v2: Also convert i915_pci_probe() (Gustavo)
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240812103415.1540096-1-jani.nikula@intel.comSigned-off-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/i915_pci.c

@@ -880,7 +880,7 @@ static void i915_pci_remove(struct pci_dev *pdev)
 {
 	struct drm_i915_private *i915;
 
-	i915 = pci_get_drvdata(pdev);
+	i915 = pdev_to_i915(pdev);
 	if (!i915) /* driver load aborted, nothing to cleanup */
 		return;
 
@@ -1003,7 +1003,7 @@ static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (err)
 		return err;
 
-	if (i915_inject_probe_failure(pci_get_drvdata(pdev))) {
+	if (i915_inject_probe_failure(pdev_to_i915(pdev))) {
 		i915_pci_remove(pdev);
 		return -ENODEV;
 	}
@@ -1025,7 +1025,7 @@ static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 static void i915_pci_shutdown(struct pci_dev *pdev)
 {
-	struct drm_i915_private *i915 = pci_get_drvdata(pdev);
+	struct drm_i915_private *i915 = pdev_to_i915(pdev);
 
 	i915_driver_shutdown(i915);
 }