[PATCH] drm/amdgpu: fix a warning in smu11 i2c code

[Grodzovsky, Andrey]

Hmm, my compiler didn't sent a warning about this...

Thanks.

Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky at amd.com>

Andrey

On 8/26/19 2:54 PM, Alex Deucher wrote:
> make sure reg is initialized in smu_v11_0_i2c_set_clock_gating.
>
> Signed-off-by: Alex Deucher <alexander.deucher at 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);