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Enable open source GPU support

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Enable open source GPU support for Mali Utgard GPUs (lima driver) and
Mali Midgard and Bifrost GPUs (panfrost driver).
The support is enabled by:
- enabling DRM kernel CONFIGs
- enabling lima, panfrost and kmsro in Mesa
- disabling the specific mali driver overrides in sunxi-mali.inc
To enable open source mainline graphics support just add the following
line in your local.conf:

MACHINEOVERRIDES .= ":use-mailine-graphics"

Please note that some machines may need a bigger CMA value to be able to
start Weston. To do that, add e.g. "cma=128M" to the kernel parameters.

Signed-off-by: Diego Rondini <diego.rondini@kynetics.com>
This commit is contained in:
Diego Rondini
2019-11-20 21:55:35 +00:00
parent fa0846c0eb
commit 1d6ef084db
5 changed files with 35 additions and 15 deletions
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15
conf/machine/include/sunxi-mali-driver.inc Normal file
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@ -0,0 +1,15 @@
PREFERRED_PROVIDER_virtual/mesa ?= "mesa-gl"
PREFERRED_PROVIDER_virtual/libgl ?= "mesa-gl"
PREFERRED_PROVIDER_virtual/libgles1 ?= "sunxi-mali"
PREFERRED_PROVIDER_virtual/libgles2 ?= "sunxi-mali"
PREFERRED_PROVIDER_virtual/egl ?= "sunxi-mali"
PACKAGECONFIG_remove_pn-xserver-xorg = "${@bb.utils.contains('DISTRO_FEATURES', 'x11', 'glamor', '', d)}"
XSERVER += "sunxi-mali \
sunxi-mali-dev"
MACHINE_ESSENTIAL_EXTRA_RRECOMMENDS += "\
kernel-module-mali \
kernel-module-mali-drm \
"

20
conf/machine/include/sunxi-mali.inc
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@ -1,15 +1,5 @@
PREFERRED_PROVIDER_virtual/mesa ?= "mesa-gl"
PREFERRED_PROVIDER_virtual/libgl ?= "mesa-gl"
PREFERRED_PROVIDER_virtual/libgles1 ?= "sunxi-mali"
PREFERRED_PROVIDER_virtual/libgles2 ?= "sunxi-mali"
PREFERRED_PROVIDER_virtual/egl ?= "sunxi-mali"
PACKAGECONFIG_remove_pn-xserver-xorg = "${@bb.utils.contains('DISTRO_FEATURES', 'x11', 'glamor', '', d)}"
XSERVER += "sunxi-mali \
sunxi-mali-dev"
MACHINE_ESSENTIAL_EXTRA_RRECOMMENDS += "\
kernel-module-mali \
kernel-module-mali-drm \
"
# The "sunxi-mailine-graphics-drivers.inc" doesn't exist, but it can be created
# in the future if needed. Using include directive ensures build doesn't fail
# if .inc file doesn't exist:
# https://www.yoctoproject.org/pipermail/yocto/2019-August/046484.html
include ${@'sunxi-mali-driver.inc' if 'use-mailine-graphics' not in d.getVar("MACHINEOVERRIDES").split(":") else 'sunxi-mailine-graphics-drivers.inc' }