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authorMatt Ranostay <matt.ranostay@konsulko.com>2016-12-28 07:48:20 +0200
committerMatt Ranostay <matt.ranostay@konsulko.com>2016-12-29 18:53:09 +0000
commit6bcd449f3b6f9705dfe940d2011fce6243bac7de (patch)
tree652ef766baeac5c460e5f38e26d3731e71d8d4ac
parentfefb358dca0ac89b970c77671b2efda2a8cf99c0 (diff)
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 <matt.ranostay@konsulko.com>
-rw-r--r--meta-agl-bsp/meta-raspberrypi/recipes-bsp/bootfiles/rpi-config_git.bbappend8
1 files changed, 8 insertions, 0 deletions
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