[Buildroot] [PATCH v3 2/4] package/mesa3d: add freedreno-virtio config

[Joseph Kogut <joseph@anodize.com>]

Add a config for enabling the freedreno virtio KMD backend, in the same
pattern as amdgpu-virtio.

Signed-off-by: Joseph Kogut <joseph@anodize.com>
Reviewed-by: Romain Naour <romain.naour@smile.fr>
---
 package/mesa3d/Config.in | 11 +++++++++++
 package/mesa3d/mesa3d.mk | 10 ++++++++++
 2 files changed, 21 insertions(+)

diff --git a/package/mesa3d/Config.in b/package/mesa3d/Config.in
index 633f9eec1f..82ef991595 100644
--- a/package/mesa3d/Config.in
+++ b/package/mesa3d/Config.in
@@ -150,6 +150,7 @@ config BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_FREEDRENO
 	# the toolchain having sync4 primitives, which is always a given
 	# for arm/aarch64.
 	select BR2_PACKAGE_MESA3D_GALLIUM_DRIVER
+	select BR2_PACKAGE_MESA3D_HOST_NATIVE_CONTEXT_SUPPORTED_DRIVER
 	select BR2_PACKAGE_LIBDRM_FREEDRENO
 	help
 	  Mesa driver for Freedreno GPUs.
@@ -428,6 +429,16 @@ config BR2_PACKAGE_MESA3D_HOST_NATIVE_CONTEXT_DRIVER_AMDGPU
 	  Select this when running Mesa inside a virtual machine
 	  with virtio-gpu host native context support.
 
+config BR2_PACKAGE_MESA3D_HOST_NATIVE_CONTEXT_DRIVER_FREEDRENO
+	bool "freedreno-virtio"
+	depends on BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_FREEDRENO
+	help
+	  Enable VirtIO support for freedreno native contexts
+	  used by the freedreno driver.
+
+	  Select this when running Mesa inside a virtual machine
+	  with virtio-gpu host native context support.
+
 config BR2_PACKAGE_MESA3D_HOST_NATIVE_CONTEXT_SUPPORTED_DRIVER
 	bool
 
diff --git a/package/mesa3d/mesa3d.mk b/package/mesa3d/mesa3d.mk
index 34597966af..d9916ca359 100644
--- a/package/mesa3d/mesa3d.mk
+++ b/package/mesa3d/mesa3d.mk
@@ -157,6 +157,16 @@ else
 MESA3D_CONF_OPTS += -Damdgpu-virtio=false
 endif
 
+ifeq ($(BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_FREEDRENO),y)
+MESA3D_FREEDRENO_KMDS = msm
+ifeq ($(BR2_PACKAGE_MESA3D_HOST_NATIVE_CONTEXT_DRIVER_FREEDRENO),y)
+MESA3D_FREEDRENO_KMDS += virtio
+endif
+
+MESA3D_CONF_OPTS += \
+	-Dfreedreno-kmds=$(subst $(space),$(comma),$(MESA3D_FREEDRENO_KMDS))
+endif
+
 ifeq ($(BR2_PACKAGE_MESA3D_VULKAN_DRIVER_INTEL),y)
 MESA3D_DEPENDENCIES += host-python-ply
 endif

-- 
2.54.0

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