The bpc parameter is not well filled for dpi panel. Fill this parameter regarding the data mapping. Signed-off-by: Yannick Fertre <yannick.fertre@foss.st.com> Change-Id: I378deb520a72129d1e1f0b440dab52c74b20b1a9 Reviewed-on: https://gerrit.st.com/c/mpu/oe/st/linux-stm32/+/241097 Tested-by: Eric FOURMONT <eric.fourmont-ext@st.com> Reviewed-by: Eric FOURMONT <eric.fourmont-ext@st.com>