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The ZynqMP DisplayPort subsystem includes a DMA engine called DPDMA with 6 DMa channels (4 for display and 2 for audio). This driver exposes the DPDMA through the dmaengine API, to be used by audio (ALSA) and display (DRM) drivers for the DisplayPort subsystem. Signed-off-by: Hyun Kwon <hyun.kwon@xilinx.com> Signed-off-by: Tejas Upadhyay <tejasu@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Link: https://lore.kernel.org/r/20200717013337.24122-4-laurent.pinchart@ideasonboard.com Signed-off-by: Vinod Koul <vkoul@kernel.org> |
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Makefile | ||
xilinx_dma.c | ||
xilinx_dpdma.c | ||
zynqmp_dma.c |