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authorshengyang.chen <shengyang.chen@starfivetech.com>2022-01-17 05:49:03 +0300
committershengyang.chen <shengyang.chen@starfivetech.com>2022-01-17 05:49:03 +0300
commitff275255a596baebf56ad0383b84d9b9ae6ffcf5 (patch)
tree818ca8e7edd8bab637e74fd15f370e5cac3683a7
parent338d31cdc3f5efeb47e2239b63f9332950b57752 (diff)
downloadlinux-ff275255a596baebf56ad0383b84d9b9ae6ffcf5.tar.xz
riscv:linux:drivers:gpu:drm:starfive
DRM: Update README for configuring drm Signed-off-by: shengyang.chen <shengyang.chen@starfivetech.com>
-rwxr-xr-x[-rw-r--r--]drivers/gpu/drm/starfive/README.txt25
1 files changed, 2 insertions, 23 deletions
diff --git a/drivers/gpu/drm/starfive/README.txt b/drivers/gpu/drm/starfive/README.txt
index dadec80c98bf..3af5052a147c 100644..100755
--- a/drivers/gpu/drm/starfive/README.txt
+++ b/drivers/gpu/drm/starfive/README.txt
@@ -1,4 +1,4 @@
-Display Subsystem:(default FBdev)
+Display Subsystem:(default FBdev)
Steps switch to DRM:
1、Disable fbdev,close below config items:
@@ -11,6 +11,7 @@ CONFIG_DRM_I2C_NXP_TDA998X=y
CONFIG_DRM_I2C_NXP_TDA9950=y
CONFIG_DRM_STARFIVE=y
CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_PHY_M31_DPHY_RX0=y
Precautions:when use DRM hdmi pipeline,please make sure CONFIG_DRM_STARFIVE_MIPI_DSI is disable ,
or will cause color abnormal.
@@ -18,31 +19,9 @@ Precautions:when use DRM hdmi pipeline,please make sure CONFIG_DRM_STARFIVE_MI
3、open DRM mipi pipeline
enable items:
- CONFIG_PHY_M31_DPHY_RX0=y
CONFIG_DRM_STARFIVE_MIPI_DSI=y
-change jh7100.dtsi display-encoder as below:
-
- display-encoder {
- compatible = "starfive,display-encoder";
- encoder-type = <6>; //2-TMDS, 3-LVDS, 6-DSI, 8-DPI
- status = "okay";
-
- ports {
- port@0 {
- endpoint {
- remote-endpoint = <&dsi_out_port>;
- };
- };
-
- port@1 {
- endpoint {
- remote-endpoint = <&crtc_0_out>;
- };
- };
- };
- };
install libdrm:
make buildroot_initramfs-menuconfig