openwrt/target/linux/bcm27xx/patches-5.15/950-0179-drm-v3d-Plug-dma_fence-leak.patch
Álvaro Fernández Rojas 20ea6adbf1 bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2022-05-17 15:11:22 +02:00

29 lines
825 B
Diff

From 4799df403a918e84b5e18aae9dfa99acf0786aa8 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Tue, 12 Nov 2019 16:41:21 +0000
Subject: [PATCH] drm/v3d: Plug dma_fence leak
The irq_fence and done_fence are given a reference that is never
released. The necessary dma_fence_put()s seem to have been
deleted in error in an earlier commit.
Fixes: 0b73676836b2 ("drm/v3d: Clock V3D down when not in use.")
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
drivers/gpu/drm/v3d/v3d_gem.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/gpu/drm/v3d/v3d_gem.c
+++ b/drivers/gpu/drm/v3d/v3d_gem.c
@@ -414,6 +414,9 @@ v3d_job_free(struct kref *ref)
}
xa_destroy(&job->deps);
+ dma_fence_put(job->irq_fence);
+ dma_fence_put(job->done_fence);
+
v3d_clock_up_put(v3d);
if (job->perfmon)