bcm27xx: update to latest patches from RPi foundation

Also removes random module and switches to new bcm2711 thermal driver.
Boot tested on RPi 4B v1.1 4G.

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

1 files changed, 54 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0567-drm-vc4-crtc-Disable-color-management-for-HVS5.patch b/target/linux/bcm27xx/patches-5.4/950-0567-drm-vc4-crtc-Disable-color-management-for-HVS5.patch
new file mode 100644
index 0000000000..bd487df5c4
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0567-drm-vc4-crtc-Disable-color-management-for-HVS5.patch
@@ -0,0 +1,54 @@
+From 9e134cea82d5c69e5d564e87cda2b5cf3ec14768 Mon Sep 17 00:00:00 2001
+From: Maxime Ripard <maxime@cerno.tech>
+Date: Fri, 21 Feb 2020 16:54:21 +0100
+Subject: [PATCH] drm/vc4: crtc: Disable color management for HVS5
+
+The HVS5 uses different color matrices. Disable color management support
+for now.
+
+Signed-off-by: Maxime Ripard <maxime@cerno.tech>
+---
+ drivers/gpu/drm/vc4/vc4_crtc.c | 17 +++++++++++------
+ 1 file changed, 11 insertions(+), 6 deletions(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_crtc.c
++++ b/drivers/gpu/drm/vc4/vc4_crtc.c
+@@ -441,7 +441,7 @@ static void vc4_crtc_mode_set_nofb(struc
+ 
+ 	HVS_WRITE(SCALER_DISPBKGNDX(vc4_state->assigned_channel),
+ 		  SCALER_DISPBKGND_AUTOHS |
+-		  SCALER_DISPBKGND_GAMMA |
++		  ((!vc4->hvs->hvs5) ? SCALER_DISPBKGND_GAMMA : 0) |
+ 		  (interlace ? SCALER_DISPBKGND_INTERLACE : 0));
+ 
+ 	/* Reload the LUT, since the SRAMs would have been disabled if
+@@ -1156,6 +1156,7 @@ static int vc4_crtc_bind(struct device *
+ {
+ 	struct platform_device *pdev = to_platform_device(dev);
+ 	struct drm_device *drm = dev_get_drvdata(master);
++	struct vc4_dev *vc4 = to_vc4_dev(drm);
+ 	struct vc4_crtc *vc4_crtc;
+ 	struct drm_crtc *crtc;
+ 	struct drm_plane *primary_plane, *destroy_plane, *temp;
+@@ -1197,12 +1198,16 @@ static int vc4_crtc_bind(struct device *
+ 	drm_crtc_init_with_planes(drm, crtc, primary_plane, NULL,
+ 				  &vc4_crtc_funcs, NULL);
+ 	drm_crtc_helper_add(crtc, &vc4_crtc_helper_funcs);
+-	drm_mode_crtc_set_gamma_size(crtc, ARRAY_SIZE(vc4_crtc->lut_r));
+ 
+-	/* We support CTM, but only for one CRTC at a time. It's therefore
+-	 * implemented as private driver state in vc4_kms, not here.
+-	 */
+-	drm_crtc_enable_color_mgmt(crtc, 0, true, crtc->gamma_size);
++	if (!vc4->hvs->hvs5) {
++		drm_mode_crtc_set_gamma_size(crtc, ARRAY_SIZE(vc4_crtc->lut_r));
++
++		/* We support CTM, but only for one CRTC at a
++		 * time. It's therefore implemented as private driver
++		 * state in vc4_kms, not here.
++		 */
++		drm_crtc_enable_color_mgmt(crtc, 0, true, crtc->gamma_size);
++	}
+ 
+ 	CRTC_WRITE(PV_INTEN, 0);
+ 	CRTC_WRITE(PV_INTSTAT, PV_INT_VFP_START);