X-Git-Url: http://git.openwrt.org/?a=blobdiff_plain;f=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0524-drm-vc4-Select-display-to-blank-during-initialisatio.patch;fp=target%2Flinux%2Fbrcm2708%2Fpatches-4.19%2F950-0524-drm-vc4-Select-display-to-blank-during-initialisatio.patch;h=0391767e48cb817a54be91c3c9dcc3845ff7e050;hb=c2308a7e4adbb2acc8ff149f91d1ca46801c135e;hp=0000000000000000000000000000000000000000;hpb=67dcc43f3a22dc3a7ac07a7065971b426feeb043;p=openwrt%2Fstaging%2Fwigyori.git

diff --git a/target/linux/brcm2708/patches-4.19/950-0524-drm-vc4-Select-display-to-blank-during-initialisatio.patch b/target/linux/brcm2708/patches-4.19/950-0524-drm-vc4-Select-display-to-blank-during-initialisatio.patch
new file mode 100644
index 0000000000..0391767e48
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0524-drm-vc4-Select-display-to-blank-during-initialisatio.patch
@@ -0,0 +1,54 @@
+From a267031f384a4433fdcd662a97bce7c4949d3fd6 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Fri, 5 Apr 2019 17:23:15 +0100
+Subject: [PATCH] drm: vc4: Select display to blank during
+ initialisation
+
+Otherwise the rainbow splash screen remained in the display list
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ drivers/gpu/drm/vc4/vc4_firmware_kms.c | 18 ++++++++++++++----
+ 1 file changed, 14 insertions(+), 4 deletions(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_firmware_kms.c
++++ b/drivers/gpu/drm/vc4/vc4_firmware_kms.c
+@@ -87,6 +87,13 @@ struct fb_alloc_tags {
+ 	u32 layer;
+ };
+ 
++struct mailbox_blank_display {
++	struct rpi_firmware_property_tag_header tag1;
++	u32 display;
++	struct rpi_firmware_property_tag_header tag2;
++	u32 blank;
++};
++
+ static const struct vc_image_format {
+ 	u32 drm;	/* DRM_FORMAT_* */
+ 	u32 vc_image;	/* VC_IMAGE_* */
+@@ -854,7 +861,12 @@ static int vc4_fkms_create_screen(struct
+ 	struct drm_crtc *crtc;
+ 	struct drm_plane *primary_plane, *overlay_plane, *cursor_plane;
+ 	struct drm_plane *destroy_plane, *temp;
+-	u32 blank = 1;
++	struct mailbox_blank_display blank = {
++		.tag1 = {RPI_FIRMWARE_FRAMEBUFFER_SET_DISPLAY_NUM, 4, 0, },
++		.display = display_idx,
++		.tag2 = { RPI_FIRMWARE_FRAMEBUFFER_BLANK, 4, 0, },
++		.blank = 1,
++	};
+ 	int ret;
+ 
+ 	vc4_crtc = devm_kzalloc(dev, sizeof(*vc4_crtc), GFP_KERNEL);
+@@ -865,9 +877,7 @@ static int vc4_fkms_create_screen(struct
+ 	vc4_crtc->display_number = display_ref;
+ 
+ 	/* Blank the firmware provided framebuffer */
+-	rpi_firmware_property(vc4->firmware,
+-			      RPI_FIRMWARE_FRAMEBUFFER_BLANK,
+-			      &blank, sizeof(blank));
++	rpi_firmware_property_list(vc4->firmware, &blank, sizeof(blank));
+ 
+ 	primary_plane = vc4_fkms_plane_init(drm, DRM_PLANE_TYPE_PRIMARY,
+ 					    display_ref,