Unverified Commit da054591 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
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!4376 [OLK-6.6] Add Phytium Display Engine support to the OLK-6.6. 

Merge Pull Request from: @lishuo123123 
 
This is Phytium Display Engine support,DC/DP driver patch.

Kernel-issue：
https://gitee.com/openeuler/kernel/issues/I908RR

Phytium X100 and E2000 have Display Controller，this driver can be adapted to this DC to support display.

Test：
After the patch is installed, the X100 and E2000 are running properly, and the phytium_dc_drm module is in use

Default config change:
< CONFIG_ARCH_PHYTIUM=y
< CONFIG_DRM=y
< CONFIG_DRM_PHYTIUM=m
< DRM_KMS_HELPER=y
< DRM_DISPLAY_HELPER=y
< DRM_DISPLAY_DP_HELPER=y
< DRM_DISPLAY_HDCP_HELPER=y 
 
Link:https://gitee.com/openeuler/kernel/pulls/4376

 

Reviewed-by: default avatarMao HongBo <maohongbo@phytium.com.cn>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parents 90577e05 ab9ff1e3

Documentation/devicetree/bindings/gpu/phytium,dc.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/dc/snps,dc.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Phytium Display Controller



maintainers:

  - Chen Baozi <chenbaozi@phytium.com.cn>



allOf:

  - $ref: /schemas/dc/display-controller.yaml#



properties:

  compatible:

    const: phytium,dc



  reg:

    minItems: 1

    items:

      - description: Offset and length of the memory mapped registers



  interrupts:

    maxItems: 1



  clocks:

    minItems: 1

    items:

      - description:Display controller reference clock source



unevaluatedProperties: false



required:

  - compatible

  - reg

  - interrupts



Example:

       /memreserve/ 0xf4000000 0x4000000; // (optional)



       dc0@32000000 {

               compatible = "phytium,dc";

               reg = <0x0 0x32000000 0x0 0x8000>,

                     <0x0 0xf4000000 0x0 0x4000000>; // (optional)

               interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;

               pipe_mask = 0x3

               edp_mask = 0x0;

       };

Documentation/devicetree/bindings/vendor-prefixes.yaml

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@@ -1045,6 +1045,8 @@ patternProperties: 
    description: PHICOMM Co., Ltd.

  "^phytec,.*":

    description: PHYTEC Messtechnik GmbH

  "^phytium,.*":

    description: Phytium Technology Co., Ltd.

  "^picochip,.*":

    description: Picochip Ltd

  "^pine64,.*":

drivers/gpu/drm/Kconfig

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@@ -387,6 +387,8 @@ source "drivers/gpu/drm/solomon/Kconfig" 


source "drivers/gpu/drm/sprd/Kconfig"



source "drivers/gpu/drm/phytium/Kconfig"



config DRM_HYPERV

	tristate "DRM Support for Hyper-V synthetic video device"

	depends on DRM && PCI && MMU && HYPERV

drivers/gpu/drm/Makefile

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@@ -198,3 +198,4 @@ obj-$(CONFIG_DRM_HYPERV) += hyperv/ 
obj-y			+= solomon/

obj-$(CONFIG_DRM_SPRD) += sprd/

obj-$(CONFIG_DRM_LOONGSON) += loongson/

obj-$(CONFIG_DRM_PHYTIUM) += phytium/

drivers/gpu/drm/phytium/Kconfig

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# SPDX-License-Identifier: GPL-2.0-only



config DRM_PHYTIUM

	tristate "DRM Support for Phytium Graphics Card"

	depends on DRM && ARCH_PHYTIUM

	select DRM_KMS_HELPER

	select DRM_DISPLAY_HELPER

	select DRM_DISPLAY_DP_HELPER

	select DRM_DISPLAY_HDCP_HELPER

	help

	  Choose this option if you have a phytium graphics card.

	  This driver provides kernel mode setting and buffer management to userspace.