Re: [PATCH 1/1] drm/lsdc: add drm driver for loongson display controller

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Hi--

On 1/29/22 12:33, suijingfeng wrote:
> diff --git a/drivers/gpu/drm/lsdc/Kconfig b/drivers/gpu/drm/lsdc/Kconfig
> new file mode 100644
> index 000000000000..744009dfcdde
> --- /dev/null
> +++ b/drivers/gpu/drm/lsdc/Kconfig
> @@ -0,0 +1,32 @@
> +config DRM_LSDC
> +	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_GEM_CMA_HELPER
> +	select VIDEOMODE_HELPERS
> +	select BACKLIGHT_PWM if CPU_LOONGSON2K
> +	select I2C_GPIO if CPU_LOONGSON2K
> +	select I2C_LS2X if CPU_LOONGSON2K
> +	default m
> +	help
> +	  This is a KMS driver for the display controller in the LS7A1000
> +	  bridge chip and LS2K1000 SoC. The display controller have two

	                                                       has two

> +	  display pipes and it is a pci device.

	                            PCI device.

> +	  When using it on LS2K1000/LS2K0500 SoC, its framebuffer is
> +	  located at system memory.
> +	  If "M" is selected, the module will be called lsdc.
> +
> +	  If in doubt, say "Y".
> +
> +config DRM_LSDC_VRAM_DRIVER
> +	bool "vram helpper based device driver support"

	           helper

> +	depends on DRM_LSDC
> +	select DRM_VRAM_HELPER
> +	default y
> +	help
> +	  If in doubt, say "n".

-- 
~Randy



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