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path: root/target/linux/bcm27xx/patches-5.4/950-0240-drm-vc4-Remove-unused-vc4_fkms_cancel_page_flip-func.patch
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From 99d029e3a379efb75725460b03465f80e0111da1 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Wed, 10 Apr 2019 17:35:05 +0100
Subject: [PATCH] drm: vc4: Remove unused vc4_fkms_cancel_page_flip
 function

"32a3dbe drm/vc4: Nuke preclose hook" removed vc4_cancel_page_flip,
but vc4_fkms_cancel_page_flip was still be added to with the
fkms driver, even though it was never called.
Nuke it too.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
 drivers/gpu/drm/vc4/vc4_drv.h          |  1 -
 drivers/gpu/drm/vc4/vc4_firmware_kms.c | 20 --------------------
 2 files changed, 21 deletions(-)

--- a/drivers/gpu/drm/vc4/vc4_drv.h
+++ b/drivers/gpu/drm/vc4/vc4_drv.h
@@ -795,7 +795,6 @@ extern const struct dma_fence_ops vc4_fe
 
 /* vc4_firmware_kms.c */
 extern struct platform_driver vc4_firmware_kms_driver;
-void vc4_fkms_cancel_page_flip(struct drm_crtc *crtc, struct drm_file *file);
 
 /* vc4_gem.c */
 void vc4_gem_init(struct drm_device *dev);
--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
@@ -741,26 +741,6 @@ static const struct drm_crtc_helper_func
 	.atomic_flush = vc4_crtc_atomic_flush,
 };
 
-/* Frees the page flip event when the DRM device is closed with the
- * event still outstanding.
- */
-void vc4_fkms_cancel_page_flip(struct drm_crtc *crtc, struct drm_file *file)
-{
-	struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
-	struct drm_device *dev = crtc->dev;
-	unsigned long flags;
-
-	spin_lock_irqsave(&dev->event_lock, flags);
-
-	if (vc4_crtc->event && vc4_crtc->event->base.file_priv == file) {
-		kfree(&vc4_crtc->event->base);
-		drm_crtc_vblank_put(crtc);
-		vc4_crtc->event = NULL;
-	}
-
-	spin_unlock_irqrestore(&dev->event_lock, flags);
-}
-
 static const struct of_device_id vc4_firmware_kms_dt_match[] = {
 	{ .compatible = "raspberrypi,rpi-firmware-kms" },
 	{}