Commit 80764bc7 authored by Huacai Chen's avatar Huacai Chen Committed by Hongchen Zhang
Browse files

drm/loongson: add kernel modesetting driver support for ls7a1000/ls7a2000 

LoongArch inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I6BWFP



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

 1) Support Double Screen HW Cursor
 2) Support LS7A1000/LS7A2000 + 3A5000
 3) CRTC's DMA Step is remain 256 bytes

Change-Id: Id3c3a7bebf1e95dcc882f69ba20ff3b7e57d275d
Signed-off-by: default avatarJingfeng Sui <suijingfeng@loongson.cn>
Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent ffe6c674

arch/loongarch/configs/loongson3_defconfig

+1 −0
Original line number Diff line number Diff line
@@ -594,6 +594,7 @@ CONFIG_DRM_AMDGPU_SI=y 
CONFIG_DRM_AMDGPU_CIK=y

CONFIG_DRM_AMDGPU_USERPTR=y

CONFIG_DRM_AST=y

CONFIG_DRM_LOONGSON=y

CONFIG_DRM_QXL=m

CONFIG_DRM_VIRTIO_GPU=m

CONFIG_FB_EFI=y

drivers/gpu/drm/Kconfig

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Original line number Diff line number Diff line
@@ -312,6 +312,8 @@ source "drivers/gpu/drm/udl/Kconfig" 


source "drivers/gpu/drm/ast/Kconfig"



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



source "drivers/gpu/drm/mgag200/Kconfig"



source "drivers/gpu/drm/armada/Kconfig"

drivers/gpu/drm/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -86,6 +86,7 @@ obj-$(CONFIG_DRM_ROCKCHIP) +=rockchip/ 
obj-$(CONFIG_DRM_GMA500) += gma500/

obj-$(CONFIG_DRM_UDL) += udl/

obj-$(CONFIG_DRM_AST) += ast/

obj-$(CONFIG_DRM_LOONGSON) +=loongson/

obj-$(CONFIG_DRM_ARMADA) += armada/

obj-$(CONFIG_DRM_ATMEL_HLCDC)	+= atmel-hlcdc/

obj-y			+= rcar-du/

drivers/gpu/drm/loongson/Kconfig

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+26 −0
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# SPDX-License-Identifier: GPL-2.0



config DRM_LOONGSON

	tristate "DRM Support for loongson's display controller"

	depends on DRM && PCI

	depends on MACH_LOONGSON64 || LOONGARCH || MIPS || COMPILE_TEST

	select OF

	select CMA if HAVE_DMA_CONTIGUOUS

	select DMA_CMA if HAVE_DMA_CONTIGUOUS

	select DRM_KMS_HELPER

	select DRM_KMS_FB_HELPER

	select DRM_KMS_CMA_HELPER

	select DRM_GEM_CMA_HELPER

	select DRM_TTM

	select DRM_TTM_HELPER

	select DRM_VRAM_HELPER

	select VIDEOMODE_HELPERS

	select DRM_BRIDGE

	select DRM_PANEL_BRIDGE

	default y

	help

	  This is a KMS driver for the display controller in the LS7A1000

	  bridge chip and LS2K1000/LS2K0500 SoC.

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



	  If in doubt, say "Y".

drivers/gpu/drm/loongson/Makefile

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# SPDX-License-Identifier: GPL-2.0



loongson-y := \

	lsdc_drv.o \

	lsdc_crtc.o \

	lsdc_irq.o \

	lsdc_plane.o \

	lsdc_pll.o \

	lsdc_i2c.o \

	lsdc_output.o \

	lsdc_pci_drv.o \

	lsdc_debugfs.o \



lsdc-$(CONFIG_DEBUG_FS) += lsdc_debugfs.o



obj-$(CONFIG_DRM_LOONGSON) += loongson.o