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38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
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From 2e1864a052cd55c647be4c4d74643b961b1e4da2 Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Mon, 23 Oct 2023 14:10:15 +0100
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Subject: [PATCH 0692/1085] dt: Add drm_fbN_vc4 overrides for Pi0-4
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Follows up '61b138adaead ("dt: Add overrides for drm framebuffer
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allocations on Pi5")' with an equivalent for Pi0-4.
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These will have no effect on most normal systems, but drm_fb0_vc4
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will stop SPI displays jumping in and claiming /dev/fb0.
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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arch/arm/boot/dts/broadcom/bcm270x-rpi.dtsi | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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--- a/arch/arm/boot/dts/broadcom/bcm270x-rpi.dtsi
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+++ b/arch/arm/boot/dts/broadcom/bcm270x-rpi.dtsi
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@@ -1,7 +1,7 @@
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/* Downstream modifications to bcm2835-rpi.dtsi */
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/ {
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- aliases {
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+ aliases: aliases {
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aux = &aux;
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sound = &sound;
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soc = &soc;
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@@ -30,6 +30,9 @@
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fb = &fb;
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thermal = &thermal;
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axiperf = &axiperf;
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+ drm_fb0_vc4 = <&aliases>, "drm-fb0=",&vc4;
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+ drm_fb1_vc4 = <&aliases>, "drm-fb1=",&vc4;
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+ drm_fb2_vc4 = <&aliases>, "drm-fb2=",&vc4;
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};
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/* Define these notional regulators for use by overlays */
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