Richard Liu
2db1a0dda9
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>
2019-02-12 10:33:31 +08:00
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