From a6dcfd9cc55432e4dcbe058d6ae9f07fb3452992 Mon Sep 17 00:00:00 2001 From: Monk Liu Date: Thu, 19 May 2016 14:36:34 +0800 Subject: drm/amdgpu: fix pplib finish bug MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 1,should use late_fini to kfree all resource otherwise the released pointer maybe accessed in IRQ ip fini routine. 2,hwmgr should not be kfree by pem_fini which is invoked by hw fini path. Signed-off-by: Monk Liu Reviewed-by: Alex Deucher Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_device.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index bb8b149786d7..1996670b6751 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1325,6 +1325,11 @@ static int amdgpu_fini(struct amdgpu_device *adev) adev->ip_block_status[i].valid = false; } + for (i = adev->num_ip_blocks - 1; i >= 0; i--) { + if (adev->ip_blocks[i].funcs->late_fini) + adev->ip_blocks[i].funcs->late_fini((void *)adev); + } + return 0; } -- cgit v1.2.3