drm/xe/irq: remove xe_irq_shutdown

The cleanup is done by devres in irq_uninstall.

Commit bbc9651f ("drm/xe/irq: move irq_uninstall over to devm")
resolved the ordering issue where irq_uninstall (registered with drmm)
was called after pci_free_irq_vectors (registered with devm upon calling
pci_alloc_irq_vectors). This happened because drmm action list is
registered with devm very early in the init flow - before
pci_alloc_irq_vectors.

Now that irq_uninstall is registered with devm, it will be called before
pci_free_irq_vectors and we can remove xe_irq_shutdown.
Signed-off-by: Ilia Levi <illevi@habana.ai>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240606124705.822451-1-illevi@habana.aiSigned-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/xe/xe_device.c

@@ -634,16 +634,16 @@ int xe_device_probe(struct xe_device *xe)
 
 	err = xe_device_set_has_flat_ccs(xe);
 	if (err)
-		goto err_irq_shutdown;
+		goto err;
 
 	err = xe_vram_probe(xe);
 	if (err)
-		goto err_irq_shutdown;
+		goto err;
 
 	for_each_tile(tile, xe, id) {
 		err = xe_tile_init_noalloc(tile);
 		if (err)
-			goto err_irq_shutdown;
+			goto err;
 	}
 
 	/* Allocate and map stolen after potential VRAM resize */
@@ -657,7 +657,7 @@ int xe_device_probe(struct xe_device *xe)
 	 */
 	err = xe_display_init_noaccel(xe);
 	if (err)
-		goto err_irq_shutdown;
+		goto err;
 
 	for_each_gt(gt, xe, id) {
 		last_gt = id;
@@ -708,8 +708,6 @@ int xe_device_probe(struct xe_device *xe)
 			break;
 	}
 
-err_irq_shutdown:
-	xe_irq_shutdown(xe);
 err:
 	xe_display_fini(xe);
 	return err;
@@ -740,8 +738,6 @@ void xe_device_remove(struct xe_device *xe)
 
 	for_each_gt(gt, xe, id)
 		xe_gt_remove(gt);
-
-	xe_irq_shutdown(xe);
 }
 
 void xe_device_shutdown(struct xe_device *xe)

drivers/gpu/drm/xe/xe_irq.c

@@ -738,11 +738,6 @@ int xe_irq_install(struct xe_device *xe)
 	return err;
 }
 
-void xe_irq_shutdown(struct xe_device *xe)
-{
-	irq_uninstall(xe);
-}
-
 void xe_irq_suspend(struct xe_device *xe)
 {
 	int irq = to_pci_dev(xe->drm.dev)->irq;

drivers/gpu/drm/xe/xe_irq.h

@@ -11,7 +11,6 @@ struct xe_tile;
 struct xe_gt;
 
 int xe_irq_install(struct xe_device *xe);
-void xe_irq_shutdown(struct xe_device *xe);
 void xe_irq_suspend(struct xe_device *xe);
 void xe_irq_resume(struct xe_device *xe);
 void xe_irq_enable_hwe(struct xe_gt *gt);