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Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0242-drm-vc4-Select-display-to-blank-during-initialisatio.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0242-drm-vc4-Select-display-to-blank-during-initialisatio.patch54
1 files changed, 54 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0242-drm-vc4-Select-display-to-blank-during-initialisatio.patch b/target/linux/bcm27xx/patches-5.4/950-0242-drm-vc4-Select-display-to-blank-during-initialisatio.patch
new file mode 100644
index 0000000000..693292d04f
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0242-drm-vc4-Select-display-to-blank-during-initialisatio.patch
@@ -0,0 +1,54 @@
+From c2666d7b749ade8ed250ab115a71d420c1403b24 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
+@@ -89,6 +89,13 @@ 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_* */
+@@ -855,7 +862,12 @@ 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);
+@@ -866,9 +878,7 @@ 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,