bcm27xx: add linux 5.4 support

Tested on bcm2710 (Raspberry Pi 3B).

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0255-drm-vc4-firmware-kms-Fix-DSI-display-support.patch b/target/linux/bcm27xx/patches-5.4/950-0255-drm-vc4-firmware-kms-Fix-DSI-display-support.patch
new file mode 100644
index 0000000000..450c156602
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0255-drm-vc4-firmware-kms-Fix-DSI-display-support.patch
@@ -0,0 +1,25 @@
+From b0f9ee06c9e611592715f9d9d31170d55d2aeded Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Thu, 16 May 2019 17:49:42 +0100
+Subject: [PATCH] drm: vc4-firmware-kms: Fix DSI display support
+
+The mode was incorrectly listed as interlaced, which was then
+rejected.
+Correct this and FKMS works with the DSI display.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ drivers/gpu/drm/vc4/vc4_firmware_kms.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
++++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+@@ -1005,7 +1005,7 @@ static const struct drm_display_mode lcd
+ 		 25979400 / 1000,
+ 		 800, 800 + 1, 800 + 1 + 2, 800 + 1 + 2 + 46, 0,
+ 		 480, 480 + 7, 480 + 7 + 2, 480 + 7 + 2 + 21, 0,
+-		 DRM_MODE_FLAG_INTERLACE)
++		 0)
+ };
+ 
+ static int vc4_fkms_lcd_connector_get_modes(struct drm_connector *connector)