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