brcm2708: update to latest patches from RPi Foundation
[openwrt/staging/wigyori.git] / target / linux / brcm2708 / patches-4.19 / 950-0524-drm-vc4-Select-display-to-blank-during-initialisatio.patch
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 (file)
index 0000000..0391767
--- /dev/null
@@ -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,