From 7b1d64975d3d6708c74e534c48230bb1e81bbdee Mon Sep 17 00:00:00 2001 From: Matt Ranostay Date: Wed, 28 Dec 2016 07:48:20 +0200 Subject: rpi-config: add configurable CMA low and high water marks For dynamically allocating of CMA blocks the low and high water marks settings determine when the GPU requests or releases memory from the CPU. Change-Id: Iad494c101fec0884bb687c5ea51c9657b7c17bd9 Signed-off-by: Matt Ranostay (cherry picked from commit 6bcd449f3b6f9705dfe940d2011fce6243bac7de) --- .../recipes-bsp/bootfiles/rpi-config_git.bbappend | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'meta-agl-bsp/meta-raspberrypi/recipes-bsp') diff --git a/meta-agl-bsp/meta-raspberrypi/recipes-bsp/bootfiles/rpi-config_git.bbappend b/meta-agl-bsp/meta-raspberrypi/recipes-bsp/bootfiles/rpi-config_git.bbappend index ff14d3640..9222fd52a 100644 --- a/meta-agl-bsp/meta-raspberrypi/recipes-bsp/bootfiles/rpi-config_git.bbappend +++ b/meta-agl-bsp/meta-raspberrypi/recipes-bsp/bootfiles/rpi-config_git.bbappend @@ -1,6 +1,14 @@ DISABLE_OVERSCAN = "1" do_deploy_append() { + if [ "${ENABLE_CMA}" = "1" ] && [ -n "${CMA_LWM}" ]; then + sed -i '/#cma_lwm/ c\cma_lwm=${CMA_LWM}' ${DEPLOYDIR}/bcm2835-bootfiles/config.txt + fi + + if [ "${ENABLE_CMA}" = "1" ] && [ -n "${CMA_HWM}" ]; then + sed -i '/#cma_hwm/ c\cma_hwm=${CMA_HWM}' ${DEPLOYDIR}/bcm2835-bootfiles/config.txt + fi + echo "avoid_warnings=2" >> ${DEPLOYDIR}/bcm2835-bootfiles/config.txt echo "mask_gpu_interrupt0=0x400" >> ${DEPLOYDIR}/bcm2835-bootfiles/config.txt echo "dtoverlay=vc4-kms-v3d-overlay,cma-256" >> ${DEPLOYDIR}/bcm2835-bootfiles/config.txt -- cgit 1.2.3-korg