From f78f3f7db420b2bfcaabfc42bc2a7c14a841835a Mon Sep 17 00:00:00 2001 From: Dave Stevenson Date: Fri, 5 Apr 2019 17:23:15 +0100 Subject: [PATCH 596/782] drm: vc4: Select display to blank during initialisation Otherwise the rainbow splash screen remained in the display list Signed-off-by: Dave Stevenson --- 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,