Commit 2815e6db authored by gaojuxin's avatar gaojuxin Committed by Hongchen Zhang
Browse files

drm/loongson: use old version of ast driver for LoongArch platform 

LoongArch inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/IB1G96



--------------------------------

The new ast driver has some problems on LoongArch platform,
So use the ast driver base on
commit d95dcfc4 ("drm/ast: Style cleanups in plane code")
for LoongArch platform.

Signed-off-by: default avatarDongyan Qian <qiandongyan@loongson.cn>
Signed-off-by: default avatargaojuxin <gaojuxin@loongson.cn>
Reviewed-by: default avatarJuxin Gao <gaojuxin@loongson.cn>
Link: https://gitee.com/anolis/cloud-kernel/pulls/4045
parent 0e3b97c1

MAINTAINERS

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@@ -7009,6 +7009,7 @@ L: dri-devel@lists.freedesktop.org 
S:	Supported

T:	git git://anongit.freedesktop.org/drm/drm-misc

F:	drivers/gpu/drm/loongson/

F:	drivers/gpu/drm/loongson/ast_old/









DRM DRIVERS FOR MEDIATEK









M:	Chun-Kuang Hu <chunkuang.hu@kernel.org>
































arch/loongarch/configs/loongson3_defconfig



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@@ -1469,7 +1469,7 @@ CONFIG_DRM_AMDGPU_USERPTR=y







CONFIG_DRM_NOUVEAU=m









CONFIG_DRM_VKMS=m









CONFIG_DRM_UDL=m









CONFIG_DRM_AST=y









CONFIG_DRM_AST_LOONGSON=y









CONFIG_DRM_MGAG200=m









CONFIG_DRM_QXL=m









CONFIG_DRM_VIRTIO_GPU=m
































drivers/gpu/drm/loongson/Kconfig



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@@ -15,3 +15,5 @@ config DRM_LOONGSON







	  If "M" is selected, the module will be called loongson.



















	  If in doubt, say "N".



















source "drivers/gpu/drm/loongson/ast_old/Kconfig"
























drivers/gpu/drm/loongson/Makefile



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@@ -20,3 +20,4 @@ loongson-y += loongson_device.o \







	      loongson_module.o



















obj-$(CONFIG_DRM_LOONGSON) += loongson.o









obj-$(CONFIG_DRM_AST_LOONGSON) += ast_old/
























drivers/gpu/drm/loongson/ast_old/Kconfig
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# SPDX-License-Identifier: GPL-2.0-only









config DRM_AST_LOONGSON









	tristate "AST server chips for Loongson Platform"









	depends on DRM && PCI && MMU && LOONGARCH









	select DRM_KMS_HELPER









	select DRM_VRAM_HELPER









	select DRM_TTM









	select DRM_TTM_HELPER









	help









	 Say yes for experimental AST GPU driver. Do not enable









	 this driver without having a working -modesetting,









	 and a version of AST that knows to fail if KMS









	 is bound to the driver. These GPUs are commonly found









	 in server chipsets.