openwrt/target/linux/brcm2708/patches-4.19/950-0658-drm-vc4-Remove-340MHz-clock-limit-from-FKMS-now-scra.patch
Álvaro Fernández Rojas 4295485719 brcm2708: add linux 4.19 support
Boot tested on Raspberry Pi B+ (BCM2708) and Raspberry Pi 2 (BCM2709)

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2019-07-14 12:44:14 +02:00

30 lines
836 B
Diff

From e63e050360bfe8d06552ed5fb0f037d8f18b61bc 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 658/703] 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;
}