From 05d4f76ea843eae0cbd1c2be237698a27360f95c Mon Sep 17 00:00:00 2001
From: shaoyunl <shaoyun.liu@amd.com>
Date: Tue, 17 Mar 2020 12:46:34 -0400
Subject: drm/amdgpu/sriov : Don't resume RLCG for SRIOV guest
Git-commit: 02be064823d0c9aff4e5e6bc1cb8d5e1bea81d38
Patch-mainline: v5.7-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
RLCG is enabled by host driver, no need to enable it in guest for none-PSP load path
Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 42bbc0070831..c8f2aa1db13b 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -1940,6 +1940,11 @@ static int gfx_v10_0_rlc_resume(struct amdgpu_device *adev)
if (!amdgpu_sriov_vf(adev)) /* enable RLC SRM */
gfx_v10_0_rlc_enable_srm(adev);
} else {
+ if (amdgpu_sriov_vf(adev)) {
+ gfx_v10_0_init_csb(adev);
+ return 0;
+ }
+
adev->gfx.rlc.funcs->stop(adev);
/* disable CG */
--
2.28.0