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authorÁlvaro Fernández Rojas <noltari@gmail.com>2020-02-04 19:02:53 +0100
committerÁlvaro Fernández Rojas <noltari@gmail.com>2020-02-04 19:14:13 +0100
commit84d555aa74434392b682fd9eb0fa701c89a046d6 (patch)
treebcc0a9bf058757da14054bce61a8cb8b8c9cd873 /target/linux/brcm2708/patches-4.19/950-0571-drm-vc4-Remove-340MHz-clock-limit-from-FKMS-now-scra.patch
parent953973c2991e8640549a55df7a0574a1abac8644 (diff)
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brcm2708: update to latest patches from RPi foundation
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0571-drm-vc4-Remove-340MHz-clock-limit-from-FKMS-now-scra.patch')
-rw-r--r--target/linux/brcm2708/patches-4.19/950-0571-drm-vc4-Remove-340MHz-clock-limit-from-FKMS-now-scra.patch29
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0571-drm-vc4-Remove-340MHz-clock-limit-from-FKMS-now-scra.patch b/target/linux/brcm2708/patches-4.19/950-0571-drm-vc4-Remove-340MHz-clock-limit-from-FKMS-now-scra.patch
new file mode 100644
index 0000000000..3e3d0704d6
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0571-drm-vc4-Remove-340MHz-clock-limit-from-FKMS-now-scra.patch
@@ -0,0 +1,29 @@
+From d4a180e5b67c3ca9b8559d4f926f22b6c6705082 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Mon, 10 Jun 2019 16:32:51 +0100
+Subject: [PATCH] drm/vc4: Remove 340MHz clock limit from FKMS now
+ scrambling issues resolved
+
+Firmware TMDS scrambling is now being correctly configured, so
+we can use it.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ drivers/gpu/drm/vc4/vc4_firmware_kms.c | 6 ------
+ 1 file changed, 6 deletions(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
++++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+@@ -830,12 +830,6 @@ vc4_crtc_mode_valid(struct drm_crtc *crt
+ break;
+ }
+
+- /* Limit the pixel clock until we can get dynamic HDMI 2.0 scrambling
+- * working.
+- */
+- if (mode->clock > 340000)
+- return MODE_CLOCK_HIGH;
+-
+ return MODE_OK;
+ }
+