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Subject[PATCH AUTOSEL 6.1 23/24] drm/amdgpu/gfx: set cg flags to enter/exit safe mode
Date
From: Jane Jian <Jane.Jian@amd.com>

[ 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>
---
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 7a13129842602..0dd2fe4f071e8 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -1316,6 +1316,11 @@ 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,
--
2.39.2
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