On 9/3/20 9:41 PM, Randy Dunlap wrote:

From: Randy Dunlap rdunlap@infradead.org

Fix kconfig warnings & build errors caused by DRM_ZYNQMP_DPSUB.

Any driver that selects DMA_ENGINE should make sure that DMADEVICES is already enabled. As is, this causes build errors in many other drivers.

See https://lore.kernel.org/lkml/202009020239.oUPh82Xc%25lkp@intel.com/ for the numerous build errors.

WARNING: unmet direct dependencies detected for DMA_ENGINE Depends on [n]: DMADEVICES [=n] Selected by [y]:

• DRM_ZYNQMP_DPSUB [=y] && HAS_IOMEM [=y] && (ARCH_ZYNQMP || COMPILE_TEST [=y]) && COMMON_CLK [=y] && DRM [=y] && OF [=y]

Sorry, this is a duplicate of a patch that Laurent has already posted so my patch isn't needed.

Reported-by: kernel test robot lkp@intel.com Signed-off-by: Randy Dunlap rdunlap@infradead.org Cc: Hyun Kwon hyun.kwon@xilinx.com Cc: Laurent Pinchart laurent.pinchart@ideasonboard.com Cc: dri-devel@lists.freedesktop.org

---

drivers/gpu/drm/xlnx/Kconfig | 1 + 1 file changed, 1 insertion(+)

--- linux-next-20200903.orig/drivers/gpu/drm/xlnx/Kconfig +++ linux-next-20200903/drivers/gpu/drm/xlnx/Kconfig @@ -2,6 +2,7 @@ config DRM_ZYNQMP_DPSUB tristate "ZynqMP DisplayPort Controller Driver" depends on ARCH_ZYNQMP || COMPILE_TEST depends on COMMON_CLK && DRM && OF

• depends on DMADEVICES select DMA_ENGINE select DRM_GEM_CMA_HELPER select DRM_KMS_CMA_HELPER