[Buildroot] [PATCH 1/1] package/mesa3d: add Radeon SI support

Romain Naour romain.naour at gmail.com
Sat Apr 28 13:55:23 UTC 2018


Hi Michal,

Le 27/04/2018 à 16:07, Michał Kalbarczyk a écrit :
> From adff41d0ec39d5e89ce713c88edb0ee6468c7236 Mon Sep 17 00:00:00 2001
> From: =?UTF-8?q?Micha=C5=82=20Kalbarczyk?= <fazibear at gmail.com>
> Date: Fri, 27 Apr 2018 15:49:15 +0200
> Subject: [PATCH 1/1] package/mesa3d: add Radeon SI support
> MIME-Version: 1.0
> Content-Type: text/plain; charset=UTF-8
> Content-Transfer-Encoding: 8bit

Thanks for this contribution!
I know it's too late since the patch is already applied but here is my review.

> Signed-off-by: Michał Kalbarczyk <fazibear at gmail.com>
> ---
>  package/mesa3d/Config.in | 20 ++++++++++++++++++++
>  package/mesa3d/mesa3d.mk |  1 +
>  2 files changed, 21 insertions(+)
> 
> diff --git a/package/mesa3d/Config.in b/package/mesa3d/Config.in
> index bd3d050e29..cbaa20370f 100644
> --- a/package/mesa3d/Config.in
> +++ b/package/mesa3d/Config.in
> @@ -108,6 +108,26 @@ config BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_R600
>  	help
>  	  Driver for ATI/AMD Radeon R600/R700/HD5000/HD6000 GPUs.
> 
> +config BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_RADEONSI
> +	bool "Gallium Radeon SI driver"
> +	depends on BR2_i386 || BR2_x86_64
> +	depends on !BR2_PACKAGE_MESA3D_LLVM || \

The RadeonSI support require LLVM.

checking for AMDGPU... yes
configure: error: --enable-llvm is required when building radeonsi

> +		(BR2_PACKAGE_MESA3D_LLVM && (BR2_TOOLCHAIN_USES_UCLIBC || \
> +			BR2_TOOLCHAIN_USES_GLIBC)) # elfutils
> +	select BR2_PACKAGE_MESA3D_GALLIUM_DRIVER
> +	select BR2_PACKAGE_LIBDRM_AMDGPU

In my previous review, mesa is checking for libdrm-amdgpu and libdrm-radeon [1]

checking for EXPAT... yes
checking for RADEON... no
configure: error: Package requirements (libdrm >= 2.4.71 libdrm_radeon >= 2.4.71)

> +	select BR2_PACKAGE_LLVM_AMDGPU if BR2_PACKAGE_MESA3D_LLVM
> +	select BR2_PACKAGE_ELFUTILS if BR2_PACKAGE_MESA3D_LLVM
> +	select BR2_PACKAGE_MESA3D_NEEDS_XA
> +	help
> +	  Driver for ATI/AMD Radeon HD7000/HD8000/Rx200 GPUs.
> +
> +# Radeon SI needs libelf when Mesa3D is built with LLVM support
> +# musl is not currently compatible with elfutils
> +comment "Radeon SI driver needs a uClibc or glibc toolchain when llvm is enabled"
> +	depends on BR2_PACKAGE_MESA3D_LLVM
> +	depends on !(BR2_TOOLCHAIN_USES_UCLIBC || BR2_TOOLCHAIN_USES_GLIBC)

The comment should be updated accordingly since llvm is mandatory.

Best regards,
Romain

[1] http://lists.busybox.net/pipermail/buildroot/2018-April/219308.html

> +
>  # R600 needs libelf when Mesa3D is built with LLVM support
>  # musl is not currently compatible with elfutils
>  comment "R600 driver needs a uClibc or glibc toolchain when llvm is enabled"
> diff --git a/package/mesa3d/mesa3d.mk b/package/mesa3d/mesa3d.mk
> index e93490c042..9857b597cf 100644
> --- a/package/mesa3d/mesa3d.mk
> +++ b/package/mesa3d/mesa3d.mk
> @@ -80,6 +80,7 @@ endif
>  MESA3D_GALLIUM_DRIVERS-$(BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_ETNAVIV)  += etnaviv imx
>  MESA3D_GALLIUM_DRIVERS-$(BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_NOUVEAU)  += nouveau
>  MESA3D_GALLIUM_DRIVERS-$(BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_R600)     += r600
> +MESA3D_GALLIUM_DRIVERS-$(BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_RADEONSI) += radeonsi
>  MESA3D_GALLIUM_DRIVERS-$(BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_SVGA)     += svga
>  MESA3D_GALLIUM_DRIVERS-$(BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_SWRAST)   += swrast
>  MESA3D_GALLIUM_DRIVERS-$(BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_VC4)      += vc4
> --
> 2.17.0
> 




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