From: Emily Deng Date: Thu, 9 Aug 2018 02:03:04 +0000 (+0800) Subject: drm/amdgpu/sriov: give 8s for recover vram under RUNTIME X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=b045d3af7d1f443dd5209a096568e0ce983127e9;p=openwrt%2Fstaging%2Fblogic.git drm/amdgpu/sriov: give 8s for recover vram under RUNTIME Extend the timeout for recovering vram bos from shadows on sr-iov to cover the worst case scenario for timeslices and VFs Under runtime, the wait fence time could be quite long when other VFs are in exclusive mode. For example, for 4 VF, every VF's exclusive timeout time is set to 3s, then the worst case is 9s. If the VF number is more than 4,then the worst case time will be longer. The 8s is the test data, with setting to 8s, it will pass the TDR test for 1000 times. SWDEV-161490 Signed-off-by: Monk Liu Signed-off-by: Emily Deng Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index ec53d8f96d06..3ef34df8937b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3105,7 +3105,7 @@ static int amdgpu_device_handle_vram_lost(struct amdgpu_device *adev) long tmo; if (amdgpu_sriov_runtime(adev)) - tmo = msecs_to_jiffies(amdgpu_lockup_timeout); + tmo = msecs_to_jiffies(8000); else tmo = msecs_to_jiffies(100);