bcm27xx: add linux 5.4 support

Tested on bcm2710 (Raspberry Pi 3B).

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

1 files changed, 27 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0300-drm-vc4-Remove-unused-mode-variable.patch b/target/linux/bcm27xx/patches-5.4/950-0300-drm-vc4-Remove-unused-mode-variable.patch
new file mode 100644
index 0000000000..e82fc421d2
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0300-drm-vc4-Remove-unused-mode-variable.patch
@@ -0,0 +1,27 @@
+From 71402ae2a97b18f0c03b763a2e1e2800f360d50a Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Thu, 25 Jul 2019 17:34:29 +0100
+Subject: [PATCH] drm/vc4: Remove unused mode variable
+
+"89d1376 drm/vc4: Add support for margins to fkms" removed
+the requirement for having the mode structure from vc4_plane_to_mb,
+but didn't remove it as a local to the function, causing a
+compiler warning.
+
+Remove the unused variable.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ drivers/gpu/drm/vc4/vc4_firmware_kms.c | 1 -
+ 1 file changed, 1 deletion(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
++++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+@@ -525,7 +525,6 @@ static int vc4_plane_to_mb(struct drm_pl
+ 	const struct vc_image_format *vc_fmt =
+ 					vc4_get_vc_image_fmt(drm_fmt->format);
+ 	int num_planes = fb->format->num_planes;
+-	struct drm_display_mode *mode = &state->crtc->mode;
+ 	unsigned int rotation = SUPPORTED_ROTATIONS;
+ 
+ 	mb->plane.vc_image_type = vc_fmt->vc_image;