From: Matt Ranostay <matt.ranostay@konsulko.com>
Date: Wed, 28 Dec 2016 05:45:15 +0000 (+0200)
Subject: linux-raspberrypi: add ENABLE_CMA options to kernel command line
X-Git-Tag: chinook_3.0.0~5
X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=commitdiff_plain;ds=sidebyside;h=0723eddcb9d683a9b9e0ee03a8455e2ce78cc8fc;p=AGL%2Fmeta-agl.git

linux-raspberrypi: add ENABLE_CMA options to kernel command line

Add ENABLE_CMA setting that enables required kernel configuration
to allow the dynamic CMA to function.

Change-Id: I0b0ab0fd7fd64454ea3cc9a89344a98897838e11
Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com>
(cherry picked from commit fefb358dca0ac89b970c77671b2efda2a8cf99c0)
---

diff --git a/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_4.4.bbappend b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_4.4.bbappend
index cc6cbeeb5..e5cdb2aff 100644
--- a/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_4.4.bbappend
+++ b/meta-agl-bsp/meta-raspberrypi/recipes-kernel/linux/linux-raspberrypi_4.4.bbappend
@@ -66,6 +66,9 @@ do_configure_append() {
 CMDLINE_DEBUG = ""
 CMDLINE_append = " usbhid.mousepoll=0"
 
+# Add options to allow CMA to operate
+CMDLINE_append = ' ${@base_conditional("ENABLE_CMA", "1", "coherent_pool=6M smsc95xx.turbo_mode=N", "", d)}'
+
 KERNEL_MODULE_AUTOLOAD += "snd-bcm2835"
 KERNEL_MODULE_AUTOLOAD += "hid-multitouch"