POLL_TIMEOUT_US    31 drivers/gpu/drm/msm/dsi/pll/dsi_pll_14nm.c #define POLL_TIMEOUT_US			1000
POLL_TIMEOUT_US    31 drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c #define POLL_TIMEOUT_US		50
POLL_TIMEOUT_US    38 drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c #define POLL_TIMEOUT_US		1
POLL_TIMEOUT_US    25 drivers/phy/cadence/phy-cadence-dp.c #define POLL_TIMEOUT_US		2000