bcm27xx: add linux 5.4 support

Tested on bcm2710 (Raspberry Pi 3B).

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

1 files changed, 70 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0097-drm-vc4-Add-DRM_DEBUG_ATOMIC-for-the-insides-of-fkms.patch b/target/linux/bcm27xx/patches-5.4/950-0097-drm-vc4-Add-DRM_DEBUG_ATOMIC-for-the-insides-of-fkms.patch
new file mode 100644
index 0000000000..53271384d8
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0097-drm-vc4-Add-DRM_DEBUG_ATOMIC-for-the-insides-of-fkms.patch
@@ -0,0 +1,70 @@
+From 339bb475540dcf04709e1519ee694d42be1efd94 Mon Sep 17 00:00:00 2001
+From: Eric Anholt <eric@anholt.net>
+Date: Wed, 1 Feb 2017 17:10:09 -0800
+Subject: [PATCH] drm/vc4: Add DRM_DEBUG_ATOMIC for the insides of
+ fkms.
+
+Trying to debug weston on fkms involved figuring out what calls I was
+making to the firmware.
+
+Signed-off-by: Eric Anholt <eric@anholt.net>
+---
+ drivers/gpu/drm/vc4/vc4_firmware_kms.c | 26 ++++++++++++++++++++++++++
+ 1 file changed, 26 insertions(+)
+
+--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
++++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+@@ -101,6 +101,11 @@ static int vc4_plane_set_primary_blank(s
+ 	struct vc4_dev *vc4 = to_vc4_dev(plane->dev);
+ 
+ 	u32 packet = blank;
++
++	DRM_DEBUG_ATOMIC("[PLANE:%d:%s] primary plane %s",
++			 plane->base.id, plane->name,
++			 blank ? "blank" : "unblank");
++
+ 	return rpi_firmware_property(vc4->firmware,
+ 				     RPI_FIRMWARE_FRAMEBUFFER_BLANK,
+ 				     &packet, sizeof(packet));
+@@ -148,6 +153,16 @@ static void vc4_primary_plane_atomic_upd
+ 		WARN_ON_ONCE(vc4_plane->pitch != fb->pitches[0]);
+ 	}
+ 
++	DRM_DEBUG_ATOMIC("[PLANE:%d:%s] primary update %dx%d@%d +%d,%d 0x%08x/%d\n",
++			 plane->base.id, plane->name,
++			 state->crtc_w,
++			 state->crtc_h,
++			 bpp,
++			 state->crtc_x,
++			 state->crtc_y,
++			 bo->paddr + fb->offsets[0],
++			 fb->pitches[0]);
++
+ 	ret = rpi_firmware_transaction(vc4->firmware,
+ 				       RPI_FIRMWARE_CHAN_FB,
+ 				       vc4_plane->fbinfo_bus_addr);
+@@ -176,6 +191,15 @@ static void vc4_cursor_plane_atomic_upda
+ 			      0, 0, /* hotx, hoty */};
+ 	WARN_ON_ONCE(fb->pitches[0] != state->crtc_w * 4);
+ 
++	DRM_DEBUG_ATOMIC("[PLANE:%d:%s] update %dx%d cursor at %d,%d (0x%08x/%d)",
++			 plane->base.id, plane->name,
++			 state->crtc_w,
++			 state->crtc_h,
++			 state->crtc_x,
++			 state->crtc_y,
++			 bo->paddr + fb->offsets[0],
++			 fb->pitches[0]);
++
+ 	ret = rpi_firmware_property(vc4->firmware,
+ 				    RPI_FIRMWARE_SET_CURSOR_STATE,
+ 				    &packet_state,
+@@ -198,6 +222,8 @@ static void vc4_cursor_plane_atomic_disa
+ 	u32 packet_state[] = { false, 0, 0, 0 };
+ 	int ret;
+ 
++	DRM_DEBUG_ATOMIC("[PLANE:%d:%s] disabling cursor", plane->base.id, plane->name);
++
+ 	ret = rpi_firmware_property(vc4->firmware,
+ 				    RPI_FIRMWARE_SET_CURSOR_STATE,
+ 				    &packet_state,