From: Arnd Bergmann <arnd@xxxxxxxx> The aspeed driver uses the gem_cma_helper code, but does noto enforce enabling this through Kconfig: x86_64-linux-ld: drivers/gpu/drm/aspeed/aspeed_gfx_drv.o:(.rodata+0x2c8): undefined reference to `drm_gem_cma_prime_import_sg_table' x86_64-linux-ld: drivers/gpu/drm/aspeed/aspeed_gfx_drv.o:(.rodata+0x2d8): undefined reference to `drm_gem_cma_dumb_create' x86_64-linux-ld: drivers/gpu/drm/aspeed/aspeed_gfx_crtc.o: in function `aspeed_gfx_pipe_update': aspeed_gfx_crtc.c:(.text+0xe5): undefined reference to `drm_fb_cma_get_gem_obj' Add the same 'select' that is used in other such drivers. Fixes: 09717af7d13d ("drm: Remove CONFIG_DRM_KMS_CMA_HELPER option") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- drivers/gpu/drm/aspeed/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/aspeed/Kconfig b/drivers/gpu/drm/aspeed/Kconfig index 36c4a7e86981..024ccab14f88 100644 --- a/drivers/gpu/drm/aspeed/Kconfig +++ b/drivers/gpu/drm/aspeed/Kconfig @@ -5,6 +5,7 @@ config DRM_ASPEED_GFX depends on (COMPILE_TEST || ARCH_ASPEED) depends on MMU select DRM_KMS_HELPER + select DRM_GEM_CMA_HELPER select DMA_CMA if HAVE_DMA_CONTIGUOUS select CMA if HAVE_DMA_CONTIGUOUS select MFD_SYSCON -- 2.29.2