From 84f3f05b44327b7517086ae048f4131ec175e7b5 Mon Sep 17 00:00:00 2001 From: Xiangliang Yu Date: Wed, 30 Nov 2016 10:54:18 +0800 Subject: [PATCH] drm/amdgpu: Don't touch GFX hw during HW fini MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit For SR-IOV client, driver shouldn't touch the GFX hw during HW fini, otherwise, gfx will fail to start after rebooting guest os. Signed-off-by: shaoyunl Signed-off-by: Xiangliang Yu Reviewed-by: Alex Deucher Reviewed-by: Monk Liu Acked-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 525990316099..6ef0e0d047b5 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -4827,6 +4827,10 @@ static int gfx_v8_0_hw_fini(void *handle) amdgpu_irq_put(adev, &adev->gfx.priv_reg_irq, 0); amdgpu_irq_put(adev, &adev->gfx.priv_inst_irq, 0); + if (amdgpu_sriov_vf(adev)) { + pr_debug("For SRIOV client, shouldn't do anything.\n"); + return 0; + } gfx_v8_0_cp_enable(adev, false); gfx_v8_0_rlc_stop(adev); gfx_v8_0_cp_compute_fini(adev); -- 2.39.5