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Message-ID: <20240925121137.1307574-127-sashal@kernel.org>
Date: Wed, 25 Sep 2024 08:09:07 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
stable@...r.kernel.org
Cc: Alex Deucher <alexander.deucher@....com>,
Vitaly Prosyak <vitaly.prosyak@....com>,
Sasha Levin <sashal@...nel.org>,
christian.koenig@....com,
Xinhui.Pan@....com,
airlied@...il.com,
daniel@...ll.ch,
sunil.khatri@....com,
yifan1.zhang@....com,
Tim.Huang@....com,
zhenguo.yin@....com,
Jack.Xiao@....com,
kevinyang.wang@....com,
amd-gfx@...ts.freedesktop.org,
dri-devel@...ts.freedesktop.org
Subject: [PATCH AUTOSEL 6.6 127/139] drm/amdgpu/gfx11: use rlc safe mode for soft recovery
From: Alex Deucher <alexander.deucher@....com>
[ Upstream commit 3f2d35c325534c1b7ac5072173f0dc7ca969dec2 ]
Protect the MMIO access with safe mode.
Acked-by: Vitaly Prosyak <vitaly.prosyak@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index c813cd7b015e1..54ec9b32562c2 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -5701,7 +5701,9 @@ static void gfx_v11_0_ring_soft_recovery(struct amdgpu_ring *ring,
value = REG_SET_FIELD(value, SQ_CMD, MODE, 0x01);
value = REG_SET_FIELD(value, SQ_CMD, CHECK_VMID, 1);
value = REG_SET_FIELD(value, SQ_CMD, VM_ID, vmid);
+ amdgpu_gfx_rlc_enter_safe_mode(adev, 0);
WREG32_SOC15(GC, 0, regSQ_CMD, value);
+ amdgpu_gfx_rlc_exit_safe_mode(adev, 0);
}
static void
--
2.43.0
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