diff options
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.patch | 54 |
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, |