From: Jane Jian <Jane.Jian@amd.com>
Date: Wed, 15 Mar 2023 18:59:59 +0800
Subject: [PATCH] drm/amdgpu/gfx: set cg flags to enter/exit safe mode
References: bsc#1012628
Patch-mainline: 6.2.12
Git-commit: e06bfcc1a1c41bcb8c31470d437e147ce9f0acfd
[ Upstream commit e06bfcc1a1c41bcb8c31470d437e147ce9f0acfd ]
sriov needs to enter/exit safe mode in update umd p state
add the cg flag to let it enter or exit while needed
Signed-off-by: Jane Jian <Jane.Jian@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index c748d92c..ddb7b865 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -1315,6 +1315,11 @@ static int gfx_v11_0_sw_init(void *handle)
break;
}
+ /* Enable CG flag in one VF mode for enabling RLC safe mode enter/exit */
+ if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(11, 0, 3) &&
+ amdgpu_sriov_is_pp_one_vf(adev))
+ adev->cg_flags = AMD_CG_SUPPORT_GFX_CGCG;
+
/* EOP Event */
r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_GRBM_CP,
GFX_11_0_0__SRCID__CP_EOP_INTERRUPT,
--
2.35.3