diff options
| author | Richard Liu <xuegang.liu@nxp.com> | 2018-08-24 20:00:02 +0800 |
|---|---|---|
| committer | Jason Liu <jason.hui.liu@nxp.com> | 2019-02-12 10:33:31 +0800 |
| commit | 2db1a0dda9546232f477b407a43350f89d28f659 (patch) | |
| tree | 175c1a274bd492d61c14340aa0150bc279bb05ee /drivers/mxc/gpu-viv/hal/os/linux | |
| parent | 515c57466880aaa84e72423d3385b9744a45156c (diff) | |
MA-12482-1 [#imx-1138] Fix kernel panic on gpu6.2.4.p2
VSI missing this patch in gpu6.2.4.p2, it will cause
drm_gem_object_unreference_unlocked(gem_obj) call two
times in function viv_ioctl_gem_unlock.
Kernel panic log:
[ 38.419720] [<ffff00000860cac0>] drm_gem_object_release+0x40/0x48
[ 38.419853] [<ffff0000013d4804>] viv_gem_free_object+0x64/0x98 [galcore]
[ 38.419861] [<ffff00000860c524>] drm_gem_object_free+0x20/0x50
[ 38.419868] [<ffff00000860c5f0>] drm_gem_object_unreference_unlocked+0x50/0x11c
[ 38.419975] [<ffff0000013d505c>] viv_ioctl_gem_unlock+0xbc/0x108 [galcore]
[ 38.419981] [<ffff00000860dc44>] drm_ioctl+0x1e0/0x468
[ 38.419992] [<ffff000008264b7c>] do_vfs_ioctl+0xb8/0x8d4
[ 38.419997] [<ffff00000826541c>] SyS_ioctl+0x84/0x98
[ 38.420005] [<ffff000008083780>] el0_svc_naked+0x34/0x38
Change-Id: I799c84e9f71e46012dd6befc02f7d3d694ed57e3
Signed-off-by: Richard Liu <xuegang.liu@nxp.com>
Diffstat (limited to 'drivers/mxc/gpu-viv/hal/os/linux')
| -rw-r--r-- | drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_drm.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_drm.c b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_drm.c index 7e8e8a8764db..b4846cb65bb8 100644 --- a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_drm.c +++ b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_drm.c @@ -284,7 +284,6 @@ static int viv_ioctl_gem_unlock(struct drm_device *drm, void *data, { gcmkONERROR(gcvSTATUS_NOT_FOUND); } - drm_gem_object_unreference_unlocked(gem_obj); viv_obj = container_of(gem_obj, struct viv_gem_object, base); memset(&iface, 0, sizeof(iface)); |