0 waits forever. We don't actually use the HW semaphore anymore, but if someone uses the packet, set a time out value so we eventually time out and avoid a potential queue or GPU reset.
Signed-off-by: Alex Deucher <[email protected]> --- drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c index 44f0f23e11484..f3aad579085ea 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -1404,7 +1404,7 @@ static int sdma_v4_0_start(struct amdgpu_device *adev) for (i = 0; i < adev->sdma.num_instances; i++) { uint32_t temp; - WREG32_SDMA(i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL, 0); + WREG32_SDMA(i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL, 10); sdma_v4_0_gfx_resume(adev, i); if (adev->sdma.has_page_queue) sdma_v4_0_page_resume(adev, i); -- 2.53.0
