drm/amd/display: Set initial value to a divider
[why/how] Due to compiler optimization the values would be passed to the division function uninitialized causing a div by zero. Initialize the numerator and denominator to 0 and 1 to prevent division by zero. Signed-off-by: NMikita Lipski <mikita.lipski@amd.com> Acked-by: NQingqing Zhuo <qingqing.zhuo@amd.com> Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
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