On Thu, Oct 18, 2018 at 2:44 PM Liviu Dudau <liviu.dudau@xxxxxxx> wrote:
> While this patch looks good to me (you can add my Reviewed-by if you
> want),
Thanks.
> I'm surprised to see no other patches for the users of the panel.
> Is it all in a DTS change?
Yes I am expecting to send that out if I can get this merged. Then
Sudeep gets to switch all the vexpress machines to DRM in one go
(DTS + defconfig updates).
It looks like this for RTSMv8:
diff --git a/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts
b/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts
index 602f63f72c37..d1383b056b6a 100644
--- a/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts
+++ b/arch/arm64/boot/dts/arm/rtsm_ve-aemv8a.dts
@@ -78,6 +78,20 @@
<0x00000008 0x80000000 0 0x80000000>;
};
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ /* Chipselect 2,00000000 is physically at 0x18000000 */
+ vram: vram@18000000 {
+ /* 8 MB of designated video RAM */
+ compatible = "shared-dma-pool";
+ reg = <0x00000000 0x18000000 0 0x00800000>;
+ no-map;
+ };
+ };
+
gic: interrupt-controller@2c001000 {
compatible = "arm,cortex-a15-gic", "arm,cortex-a9-gic";
#interrupt-cells = <3>;
@@ -107,6 +121,15 @@
<0 63 4>;
};
+ panel {
+ compatible = "arm,rtsmv8-display";
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&clcd_pads>;
+ };
+ };
+ };
+
smb@8000000 {
compatible = "simple-bus";
diff --git a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi
b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi
index d2dbc3f39263..b25f3cbd3da8 100644
--- a/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi
+++ b/arch/arm64/boot/dts/arm/rtsm_ve-motherboard.dtsi
@@ -24,11 +24,6 @@
bank-width = <4>;
};
- v2m_video_ram: vram@2,00000000 {
- compatible = "arm,vexpress-vram";
- reg = <2 0x00000000 0x00800000>;
- };
-
ethernet@2,02000000 {
compatible = "smsc,lan91c111";
reg = <2 0x02000000 0x10000>;
@@ -187,38 +182,16 @@
interrupts = <14>;
clocks = <&v2m_oscclk1>,
<&v2m_clk24mhz>;
clock-names = "clcdclk", "apb_pclk";
- arm,pl11x,framebuffer =
<0x18000000 0x00180000>;
- memory-region = <&v2m_video_ram>;
- max-memory-bandwidth =
<130000000>; /* 16bpp @ 63.5MHz */
+ /* 800x600 16bpp @36MHz works fine */
+ max-memory-bandwidth = <54000000>;
+ memory-region = <&vram>;
port {
- v2m_clcd_pads: endpoint {
-
remote-endpoint = <&v2m_clcd_panel>;
+ clcd_pads: endpoint {
+
remote-endpoint = <&panel_in>;
arm,pl11x,tft-r0g0b0-pads = <0 8 16>;
};
};
-
- panel {
- compatible = "panel-dpi";
-
- port {
-
v2m_clcd_panel: endpoint {
-
remote-endpoint = <&v2m_clcd_pads>;
- };
- };
-
- panel-timing {
-
clock-frequency = <63500127>;
- hactive = <1024>;
- hback-porch = <152>;
- hfront-porch = <48>;
- hsync-len = <104>;
- vactive = <768>;
- vback-porch = <23>;
- vfront-porch = <3>;
- vsync-len = <4>;
- };
- };
};
virtio-block@130000 {
Yours,
Linus Walleij
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