From f840cc5f8447db7efff447a25bcddbf084bd3e2e Mon Sep 17 00:00:00 2001 From: Monk Liu Date: Fri, 15 Sep 2017 16:58:08 +0800 Subject: [PATCH] drm/amdgpu/sriov:init csb for gfxv9 MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit RLC need CSB registers initiated under SRIOV during world switch otherwise the clear state buffer behav will not be recovered to current VF scheme after switch back Signed-off-by: Monk Liu Acked-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index f1d7c5d..e2ae00d 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -2045,8 +2045,10 @@ static int gfx_v9_0_rlc_resume(struct amdgpu_device *adev) { int r; - if (amdgpu_sriov_vf(adev)) + if (amdgpu_sriov_vf(adev)) { + gfx_v9_0_init_csb(adev); return 0; + } gfx_v9_0_rlc_stop(adev); -- 2.7.4