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* bug#48050: Pinebook Pro LCD and Audio support
@ 2021-04-26 23:43 Vagrant Cascadian
       [not found] ` <handler.48050.B.161948065514671.ack@debbugs.gnu.org>
  2021-04-27  6:38 ` Vagrant Cascadian
  0 siblings, 2 replies; 4+ messages in thread
From: Vagrant Cascadian @ 2021-04-26 23:43 UTC (permalink / raw)
  To: 48050


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The attached patch enables support for LCD display and limited audio
support for pinebook-pro-rk3399.

With this, the Pinebook Pro gets display output on the built-in LCD.

Console works, wayland works (tested with sway), presumably X.org would
work as well (untested).

Audio output on headphones kind of works.

Trackpad is still a little sketchy; might require enabling some more
modules.

This should basically obsolete the need for the wip-pinebook-pro branch;
I haven't noticed any significant functionality difference.


I believe the same patches and changes apply and work more-or-less
unchanged for linux-libre 5.10 lts series (I tested against Debian's
5.10.x kernel), and it might be worth having an LTS kernel with this
enabled. If that's considered desireable, I can update the patch to add
that too.


Since this will require rebuilding the linux-libre tarball, it is
probably best to wait to merge this until the next batch of linux-libre
updates (e.g. linux-libre 5.11.x and 5.10.x, no need to wait till 5.12).


If USB-C DisplayPort ever becomes supported and working on pinebook-pro,
this patch will need to be removed.


live well,
  vagrant


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From 478b620eb4f52e76bde691262ebc793e4e3fd384 Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagrant@debian.org>
Date: Mon, 26 Apr 2021 09:27:50 -0700
Subject: [PATCH] gnu: linux-libre: Add LCD and sound support for Pinebook Pro.

* gnu/packages/linux.scm (linux-libre-5.11-source): Add Pinebook Pro
  lcd patch.
  (linux-libre-arm64-generic): Enable audio module for Pinebook Pro.
* gnu/packages/patches/linux-libre-arm64-generic-pinebook-lcd.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add patch.
---
 gnu/local.mk                                  |  1 +
 gnu/packages/linux.scm                        |  9 ++++-
 ...nux-libre-arm64-generic-pinebook-lcd.patch | 40 +++++++++++++++++++
 3 files changed, 48 insertions(+), 2 deletions(-)
 create mode 100644 gnu/packages/patches/linux-libre-arm64-generic-pinebook-lcd.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index e8b6effb36..5a2ae6ef48 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1369,6 +1369,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/linkchecker-tests-require-network.patch	\
   %D%/packages/patches/linphone-desktop-without-sdk.patch           \
   %D%/packages/patches/linux-libre-support-for-Pinebook-Pro.patch \
+  %D%/packages/patches/linux-libre-arm64-generic-pinebook-lcd.patch \
   %D%/packages/patches/linux-pam-no-setfsuid.patch		\
   %D%/packages/patches/lirc-localstatedir.patch			\
   %D%/packages/patches/lirc-reproducible-build.patch		\
diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
index 080ffab527..1c6e1502b2 100644
--- a/gnu/packages/linux.scm
+++ b/gnu/packages/linux.scm
@@ -481,7 +481,10 @@ corresponding UPSTREAM-SOURCE (an origin), using the given DEBLOB-SCRIPTS."
 (define-public linux-libre-5.11-source
   (source-with-patches linux-libre-5.11-pristine-source
                        (list %boot-logo-patch
-                             %linux-libre-arm-export-__sync_icache_dcache-patch)))
+                             %linux-libre-arm-export-__sync_icache_dcache-patch
+                             ;; Pinebook Pro patch to fix LCD display
+                             (search-patch
+                              "linux-libre-arm64-generic-pinebook-lcd.patch"))))
 
 (define-public linux-libre-5.10-source
   (source-with-patches linux-libre-5.10-pristine-source
@@ -1044,7 +1047,9 @@ It has been modified to remove all non-free binary blobs.")
                         ("CONFIG_BATTERY_AXP20X" . m)
                         ("CONFIG_PINCTRL_AXP209" . m)
                         ("CONFIG_AXP20X_POWER" . m)
-                        ("CONFIG_AXP20X_ADC" . m))
+                        ("CONFIG_AXP20X_ADC" . m)
+                        ;; Pinebook PRO sound support
+                        ("CONFIG_SND_SOC_ES8316" . m))
                       %default-extra-linux-options)))
 
 (define-public linux-libre-arm64-generic-5.10
diff --git a/gnu/packages/patches/linux-libre-arm64-generic-pinebook-lcd.patch b/gnu/packages/patches/linux-libre-arm64-generic-pinebook-lcd.patch
new file mode 100644
index 0000000000..51ab544d5e
--- /dev/null
+++ b/gnu/packages/patches/linux-libre-arm64-generic-pinebook-lcd.patch
@@ -0,0 +1,40 @@
+From 3a75704e99a118f2d8a4d70f07781558bde85770 Mon Sep 17 00:00:00 2001
+From: Jian-Hong Pan <jhp@endlessos.org>
+Date: Thu, 24 Sep 2020 14:30:43 +0800
+Subject: [PATCH] arm64: dts: rockchip: disable USB type-c DisplayPort
+
+The cdn-dp sub driver probes the device failed on PINEBOOK Pro.
+
+kernel: cdn-dp fec00000.dp: [drm:cdn_dp_probe [rockchipdrm]] *ERROR* missing extcon or phy
+kernel: cdn-dp: probe of fec00000.dp failed with error -22
+
+Then, the device halts all of the DRM related device jobs. For example,
+the operations: vop_component_ops, vop_component_ops and
+rockchip_dp_component_ops cannot be bound to corresponding devices. So,
+Xorg cannot find the correct DRM device.
+
+The USB type-C DisplayPort does not work for now. So, disable the
+DisplayPort node until the type-C phy work has been done.
+
+Link: https://patchwork.kernel.org/patch/11794141/#23639877
+Signed-off-by: Jian-Hong Pan <jhp@endlessos.org>
+---
+ arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
+index 219b7507a10f..45769764425d 100644
+--- a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
++++ b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
+@@ -380,7 +380,7 @@
+ };
+ 
+ &cdn_dp {
+-	status = "okay";
++	status = "disabled";
+ };
+ 
+ &cpu_b0 {
+-- 
+2.30.2
+
-- 
2.30.2


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^ permalink raw reply related	[flat|nested] 4+ messages in thread
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2021-04-26 23:43 bug#48050: Pinebook Pro LCD and Audio support Vagrant Cascadian
     [not found] ` <handler.48050.B.161948065514671.ack@debbugs.gnu.org>
2021-04-27  0:11   ` Vagrant Cascadian
2021-04-27  6:38 ` Vagrant Cascadian
2021-04-29 23:55   ` Vagrant Cascadian

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