A display panel and a display device are disclosed, the display panel comprises: a base substrate; and pixel circuits in an array, the display panel comprises a light transmittance region and a display region around the light transmittance region, the pixel circuits are disposed in the display region, a gate line of each row of m rows of pixel circuits is divided into a first gate line portion and a second gate line portion which are connected through an auxiliary gate line, a data line of each column of n columns of pixel circuits is divided into a first data line portion and a second data line portion which are connected through an auxiliary data line.