Display panels and display devices are provided. The display panel includes a non-display area, a display area surrounding the non-display area, and a plurality of first signal wirings arranged along a first direction. The non-display area includes a first non-display area between adjacent through-holes of the at least two through-holes, a second non-display area located between the at least two through-holes and the display area, and at least two through-holes arranged along the first direction. The plurality of first signal wirings includes a plurality of first sub-signal wirings and a plurality of first cross-lines. Each end of the first cross-line is connected to one first sub-signal wiring; a number of first cross-lines of the plurality of first cross-lines in the first non-display area is M; a number of first cross-lines of the plurality of first cross-lines in the second non-display area is N; and M is greater than N.