In the drm/msm driver both DSI and DPU subdrivers use drm_dsc_* functions, but only DSI selects DRM_DISPLAY_DSC_HELPER symbol. Add missing select to the DPU subdriver too. Fixes: ca097d4d94d8 ("drm/display: split DSC helpers from DP helpers") Reported-by: kernel test robot <lkp@xxxxxxxxx> Closes: https://lore.kernel.org/oe-kbuild-all/202409040129.rqhtRTeC-lkp@xxxxxxxxx/ Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> --- drivers/gpu/drm/msm/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig index 94d3ed4f7761..c8dda0ebd043 100644 --- a/drivers/gpu/drm/msm/Kconfig +++ b/drivers/gpu/drm/msm/Kconfig @@ -92,6 +92,7 @@ config DRM_MSM_DPU bool "Enable DPU support in MSM DRM driver" depends on DRM_MSM select DRM_MSM_MDSS + select DRM_DISPLAY_DSC_HELPER default y help Compile in support for the Display Processing Unit in -- 2.39.2