bcm27xx: add linux 5.4 support

Tested on bcm2710 (Raspberry Pi 3B).

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

1 files changed, 36 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0107-gpu-vc4-fkms-Update-driver-to-not-use-plane-crtc.patch b/target/linux/bcm27xx/patches-5.4/950-0107-gpu-vc4-fkms-Update-driver-to-not-use-plane-crtc.patch
new file mode 100644
index 0000000000..ea0f761c10
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0107-gpu-vc4-fkms-Update-driver-to-not-use-plane-crtc.patch
@@ -0,0 +1,36 @@
+From 65a61a6258ff75ab1e47bbf25973cc8a5f879180 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Tue, 19 Feb 2019 15:06:31 +0000
+Subject: [PATCH] gpu:vc4-fkms: Update driver to not use plane->crtc.
+
+Following on from
+commit 2f958af7fc248 ("drm/vc4: Stop updating plane->fb/crtc")
+do the same in the firmwarekms driver and look at plane_state->crtc
+instead.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ drivers/gpu/drm/vc4/vc4_firmware_kms.c | 4 +---
+ 1 file changed, 1 insertion(+), 3 deletions(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
++++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+@@ -194,8 +194,8 @@ static void vc4_cursor_plane_atomic_upda
+ 					   struct drm_plane_state *old_state)
+ {
+ 	struct vc4_dev *vc4 = to_vc4_dev(plane->dev);
+-	struct vc4_crtc *vc4_crtc = to_vc4_crtc(plane->crtc);
+ 	struct drm_plane_state *state = plane->state;
++	struct vc4_crtc *vc4_crtc = to_vc4_crtc(state->crtc);
+ 	struct drm_framebuffer *fb = state->fb;
+ 	struct drm_gem_cma_object *bo = drm_fb_cma_get_gem_obj(fb, 0);
+ 	int ret;
+@@ -681,8 +681,6 @@ static int vc4_fkms_bind(struct device *
+ 	drm_crtc_init_with_planes(drm, crtc, primary_plane, cursor_plane,
+ 				  &vc4_crtc_funcs, NULL);
+ 	drm_crtc_helper_add(crtc, &vc4_crtc_helper_funcs);
+-	primary_plane->crtc = crtc;
+-	cursor_plane->crtc = crtc;
+ 
+ 	vc4_encoder = devm_kzalloc(dev, sizeof(*vc4_encoder), GFP_KERNEL);
+ 	if (!vc4_encoder)