diff options
author | leiyaoyao <yaoyao.lei@amd.com> | 2023-02-27 08:24:03 +0300 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2023-03-06 23:14:14 +0300 |
commit | db1c1a8f0a2bb69eb9123b2d2a88cc7d3d49b13a (patch) | |
tree | 907a4e336acf067f888e362ebd4e8ea04fda8fc4 /drivers/gpu/drm/amd | |
parent | c0d5c293ceb752e4d91e40854196a13f3cc070c0 (diff) | |
download | linux-db1c1a8f0a2bb69eb9123b2d2a88cc7d3d49b13a.tar.xz |
drm/amdgpu: Stop clearing kiq position during fini
Do not clear kiq position in RLC_CP_SCHEDULER so that CP could perform
IDLE-SAVE after VF fini.
Otherwise it could cause GFX hang if another Win guest is rendering.
Signed-off-by: leiyaoyao <yaoyao.lei@amd.com>
Acked-by: ZhenGuo Yin <zhenguo.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 6983acc456b2..073f5f23bc3b 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -7285,17 +7285,9 @@ static int gfx_v10_0_hw_fini(void *handle) if (amdgpu_sriov_vf(adev)) { gfx_v10_0_cp_gfx_enable(adev, false); - /* Program KIQ position of RLC_CP_SCHEDULERS during destroy */ - if (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(10, 3, 0)) { - tmp = RREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS_Sienna_Cichlid); - tmp &= 0xffffff00; - WREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS_Sienna_Cichlid, tmp); - } else { - tmp = RREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS); - tmp &= 0xffffff00; - WREG32_SOC15(GC, 0, mmRLC_CP_SCHEDULERS, tmp); - } - + /* Remove the steps of clearing KIQ position. + * It causes GFX hang when another Win guest is rendering. + */ return 0; } gfx_v10_0_cp_enable(adev, false); |