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From ab54a0488ebc25134d389f3532e0fd0618a39e50 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 26 Aug 2019 13:52:25 -0500
Subject: [PATCH 3617/4256] drm/amdgpu: fix a warning in smu11 i2c code
make sure reg is initialized in smu_v11_0_i2c_set_clock_gating.
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c b/drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c
index 4cfcef0feff8..7d0d4c57b315 100644
--- a/drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c
+++ b/drivers/gpu/drm/amd/amdgpu/smu_v11_0_i2c.c
@@ -50,7 +50,7 @@
static void smu_v11_0_i2c_set_clock_gating(struct i2c_adapter *control, bool en)
{
struct amdgpu_device *adev = to_amdgpu_device(control);
- uint32_t reg;
+ uint32_t reg = RREG32_SOC15(SMUIO, 0, mmSMUIO_PWRMGT);
reg = REG_SET_FIELD(reg, SMUIO_PWRMGT, i2c_clk_gate_en, en ? 1 : 0);
WREG32_SOC15(SMUIO, 0, mmSMUIO_PWRMGT, reg);
--
2.17.1
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